https://github.com/joaosaffran updated
https://github.com/llvm/llvm-project/pull/123147
>From 916b2f17afef4e7b79818596551df44c75a55016 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 22:16:45 +0000
Subject: [PATCH 01/12] addressing pr comments
---
llvm/include/llvm/BinaryFormat/DXContainer.h | 2 +-
.../BinaryFormat/DXContainerConstants.def | 24 +++++++++----------
.../include/llvm/ObjectYAML/DXContainerYAML.h | 2 +-
llvm/lib/Object/DXContainer.cpp | 1 -
llvm/lib/ObjectYAML/DXContainerYAML.cpp | 6 ++---
llvm/tools/obj2yaml/dxcontainer2yaml.cpp | 3 +--
6 files changed, 18 insertions(+), 20 deletions(-)
diff --git a/llvm/include/llvm/BinaryFormat/DXContainer.h
b/llvm/include/llvm/BinaryFormat/DXContainer.h
index 74003387a249ef..605281df31ed46 100644
--- a/llvm/include/llvm/BinaryFormat/DXContainer.h
+++ b/llvm/include/llvm/BinaryFormat/DXContainer.h
@@ -161,7 +161,7 @@ enum class FeatureFlags : uint64_t {
static_assert((uint64_t)FeatureFlags::NextUnusedBit <= 1ull << 63,
"Shader flag bits exceed enum size.");
-#define ROOT_ELEMENT_FLAG(Num, Val) Val = 1ull << Num,
+#define ROOT_ELEMENT_FLAG(Num, Val, Str) Val = 1ull << Num,
enum class RootElementFlag : uint32_t {
#include "DXContainerConstants.def"
};
diff --git a/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
b/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
index b351b9a01773c8..a382cd714ce7f3 100644
--- a/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
+++ b/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
@@ -56,18 +56,18 @@ SHADER_FEATURE_FLAG(31, 36, NextUnusedBit, "Next reserved
shader flag bit (not a
#ifdef ROOT_ELEMENT_FLAG
-ROOT_ELEMENT_FLAG(0, AllowInputAssemblerInputLayout)
-ROOT_ELEMENT_FLAG(1, DenyVertexShaderRootAccess)
-ROOT_ELEMENT_FLAG(2, DenyHullShaderRootAccess)
-ROOT_ELEMENT_FLAG(3, DenyDomainShaderRootAccess)
-ROOT_ELEMENT_FLAG(4, DenyGeometryShaderRootAccess)
-ROOT_ELEMENT_FLAG(5, DenyPixelShaderRootAccess)
-ROOT_ELEMENT_FLAG(6, AllowStreamOutput)
-ROOT_ELEMENT_FLAG(7, LocalRootSignature)
-ROOT_ELEMENT_FLAG(8, DenyAmplificationShaderRootAccess)
-ROOT_ELEMENT_FLAG(9, DenyMeshShaderRootAccess)
-ROOT_ELEMENT_FLAG(10, CBVSRVUAVHeapDirectlyIndexed)
-ROOT_ELEMENT_FLAG(11, SamplerHeapDirectlyIndexed)
+ROOT_ELEMENT_FLAG(0, AllowInputAssemblerInputLayout, "")
+ROOT_ELEMENT_FLAG(1, DenyVertexShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(2, DenyHullShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(3, DenyDomainShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(4, DenyGeometryShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(5, DenyPixelShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(6, AllowStreamOutput, "")
+ROOT_ELEMENT_FLAG(7, LocalRootSignature, "")
+ROOT_ELEMENT_FLAG(8, DenyAmplificationShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(9, DenyMeshShaderRootAccess, "")
+ROOT_ELEMENT_FLAG(10, CBVSRVUAVHeapDirectlyIndexed, "")
+ROOT_ELEMENT_FLAG(11, SamplerHeapDirectlyIndexed, "")
#undef ROOT_ELEMENT_FLAG
#endif // ROOT_ELEMENT_FLAG
diff --git a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
index bb232543cd3b07..755c81541e5db0 100644
--- a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
+++ b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
@@ -72,7 +72,7 @@ struct ShaderHash {
std::vector<llvm::yaml::Hex8> Digest;
};
-#define ROOT_ELEMENT_FLAG(Num, Val) bool Val = false;
+#define ROOT_ELEMENT_FLAG(Num, Val, Str) bool Val = false;
struct RootSignatureDesc {
RootSignatureDesc() = default;
RootSignatureDesc(const dxbc::RootSignatureDesc &Data);
diff --git a/llvm/lib/Object/DXContainer.cpp b/llvm/lib/Object/DXContainer.cpp
index b7eff25ed7b33b..160844f73669ac 100644
--- a/llvm/lib/Object/DXContainer.cpp
+++ b/llvm/lib/Object/DXContainer.cpp
@@ -206,7 +206,6 @@ Error DXContainer::parsePartOffsets() {
case dxbc::PartType::RTS0:
if (Error Err = parseRootSignature(PartData))
return Err;
-
break;
}
}
diff --git a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
index 80f4587a06ff5e..682216e5febec0 100644
--- a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
@@ -33,14 +33,14 @@
DXContainerYAML::ShaderFeatureFlags::ShaderFeatureFlags(uint64_t FlagData) {
DXContainerYAML::RootSignatureDesc::RootSignatureDesc(
const dxbc::RootSignatureDesc &Data)
: Version(Data.Version) {
-#define ROOT_ELEMENT_FLAG(Num, Val)
\
+#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
Val = (Data.Flags & (uint32_t)dxbc::RootElementFlag::Val) > 0;
#include "llvm/BinaryFormat/DXContainerConstants.def"
}
uint32_t DXContainerYAML::RootSignatureDesc::getEncodedFlags() {
uint64_t Flag = 0;
-#define ROOT_ELEMENT_FLAG(Num, Val)
\
+#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
if (Val)
\
Flag |= (uint32_t)dxbc::RootElementFlag::Val;
#include "llvm/BinaryFormat/DXContainerConstants.def"
@@ -209,7 +209,7 @@ void MappingTraits<DXContainerYAML::Signature>::mapping(
void MappingTraits<DXContainerYAML::RootSignatureDesc>::mapping(
IO &IO, DXContainerYAML::RootSignatureDesc &S) {
IO.mapRequired("Version", S.Version);
-#define ROOT_ELEMENT_FLAG(Num, Val) IO.mapRequired(#Val, S.Val);
+#define ROOT_ELEMENT_FLAG(Num, Val, Str) IO.mapRequired(#Val, S.Val);
#include "llvm/BinaryFormat/DXContainerConstants.def"
}
diff --git a/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
b/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
index 6ae0a0859b48e1..9588a8277dad7b 100644
--- a/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
+++ b/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
@@ -155,10 +155,9 @@ dumpDXContainer(MemoryBufferRef Source) {
break;
case dxbc::PartType::RTS0:
std::optional<dxbc::RootSignatureDesc> RS = Container.getRootSignature();
- if (RS && RS.has_value())
+ if (RS.has_value())
NewPart.RootSignature = DXContainerYAML::RootSignatureDesc(*RS);
break;
- break;
}
}
>From d9bce0a1d80155b342726189e929dabb4ec3fb90 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 22:20:18 +0000
Subject: [PATCH 02/12] adding str to ROOT_ELEMENT_FLAG
---
.../BinaryFormat/DXContainerConstants.def | 24 +++++++++----------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
b/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
index a382cd714ce7f3..300d0dd2797c9a 100644
--- a/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
+++ b/llvm/include/llvm/BinaryFormat/DXContainerConstants.def
@@ -56,18 +56,18 @@ SHADER_FEATURE_FLAG(31, 36, NextUnusedBit, "Next reserved
shader flag bit (not a
#ifdef ROOT_ELEMENT_FLAG
-ROOT_ELEMENT_FLAG(0, AllowInputAssemblerInputLayout, "")
-ROOT_ELEMENT_FLAG(1, DenyVertexShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(2, DenyHullShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(3, DenyDomainShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(4, DenyGeometryShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(5, DenyPixelShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(6, AllowStreamOutput, "")
-ROOT_ELEMENT_FLAG(7, LocalRootSignature, "")
-ROOT_ELEMENT_FLAG(8, DenyAmplificationShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(9, DenyMeshShaderRootAccess, "")
-ROOT_ELEMENT_FLAG(10, CBVSRVUAVHeapDirectlyIndexed, "")
-ROOT_ELEMENT_FLAG(11, SamplerHeapDirectlyIndexed, "")
+ROOT_ELEMENT_FLAG(0, AllowInputAssemblerInputLayout, "The app is opting in to
using the Input Assembler")
+ROOT_ELEMENT_FLAG(1, DenyVertexShaderRootAccess, "Denies the vertex shader
access to the root signature.")
+ROOT_ELEMENT_FLAG(2, DenyHullShaderRootAccess, "Denies the hull shader access
to the root signature.")
+ROOT_ELEMENT_FLAG(3, DenyDomainShaderRootAccess, "Denies the domain shader
access to the root signature.")
+ROOT_ELEMENT_FLAG(4, DenyGeometryShaderRootAccess, "Denies the geometry shader
access to the root signature.")
+ROOT_ELEMENT_FLAG(5, DenyPixelShaderRootAccess, "Denies the pixel shader
access to the root signature.")
+ROOT_ELEMENT_FLAG(6, AllowStreamOutput, "The app is opting in to using Stream
Output.")
+ROOT_ELEMENT_FLAG(7, LocalRootSignature, "The root signature is to be used
with raytracing shaders to define resource bindings sourced from shader records
in shader tables.")
+ROOT_ELEMENT_FLAG(8, DenyAmplificationShaderRootAccess, "Denies the
amplification shader access to the root signature.")
+ROOT_ELEMENT_FLAG(9, DenyMeshShaderRootAccess, "Denies the mesh shader access
to the root signature.")
+ROOT_ELEMENT_FLAG(10, CBVSRVUAVHeapDirectlyIndexed, "The shaders are allowed
to index the CBV/SRV/UAV descriptor heap directly, using the
ResourceDescriptorHeap built-in variable.")
+ROOT_ELEMENT_FLAG(11, SamplerHeapDirectlyIndexed, "The shaders are allowed to
index the sampler descriptor heap directly, using the SamplerDescriptorHeap
built-in variable.")
#undef ROOT_ELEMENT_FLAG
#endif // ROOT_ELEMENT_FLAG
>From e7676ed42376dea921f74a0f9c5f3d422235a08f Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Fri, 17 Jan 2025 07:28:09 +0000
Subject: [PATCH 03/12] formating
---
llvm/lib/ObjectYAML/DXContainerYAML.cpp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
index 682216e5febec0..0351239cac2c12 100644
--- a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
@@ -33,14 +33,14 @@
DXContainerYAML::ShaderFeatureFlags::ShaderFeatureFlags(uint64_t FlagData) {
DXContainerYAML::RootSignatureDesc::RootSignatureDesc(
const dxbc::RootSignatureDesc &Data)
: Version(Data.Version) {
-#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
+#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
Val = (Data.Flags & (uint32_t)dxbc::RootElementFlag::Val) > 0;
#include "llvm/BinaryFormat/DXContainerConstants.def"
}
uint32_t DXContainerYAML::RootSignatureDesc::getEncodedFlags() {
uint64_t Flag = 0;
-#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
+#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
if (Val)
\
Flag |= (uint32_t)dxbc::RootElementFlag::Val;
#include "llvm/BinaryFormat/DXContainerConstants.def"
>From a0cee57b8ea574a67704b3aa1a0b820c99820b57 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Sat, 18 Jan 2025 00:03:15 +0000
Subject: [PATCH 04/12] refactoring to follow llvm standards
---
.../llvm/MC/DXContainerRootSignature.h | 27 +++++++++++++++++
llvm/include/llvm/Object/DXContainer.h | 23 +++++++++++++--
.../include/llvm/ObjectYAML/DXContainerYAML.h | 3 +-
llvm/lib/MC/CMakeLists.txt | 1 +
llvm/lib/MC/DXContainerRootSignature.cpp | 29 +++++++++++++++++++
llvm/lib/Object/DXContainer.cpp | 18 ++++++++++--
llvm/lib/ObjectYAML/DXContainerEmitter.cpp | 14 ++++-----
llvm/lib/ObjectYAML/DXContainerYAML.cpp | 8 +++--
llvm/tools/obj2yaml/dxcontainer2yaml.cpp | 2 +-
9 files changed, 109 insertions(+), 16 deletions(-)
create mode 100644 llvm/include/llvm/MC/DXContainerRootSignature.h
create mode 100644 llvm/lib/MC/DXContainerRootSignature.cpp
diff --git a/llvm/include/llvm/MC/DXContainerRootSignature.h
b/llvm/include/llvm/MC/DXContainerRootSignature.h
new file mode 100644
index 00000000000000..3926193697a49c
--- /dev/null
+++ b/llvm/include/llvm/MC/DXContainerRootSignature.h
@@ -0,0 +1,27 @@
+//===- llvm/MC/DXContainerRootSignature.h - DXContainer RootSignature -*- C++
+//-------*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include <cstdint>
+#include <limits>
+
+namespace llvm {
+
+class raw_ostream;
+
+namespace mcdxbc {
+struct RootSignatureHeader {
+ uint32_t Version;
+ uint32_t Flags;
+
+ void swapBytes();
+ void write(raw_ostream &OS,
+ uint32_t Version = std::numeric_limits<uint32_t>::max());
+};
+} // namespace mcdxbc
+} // namespace llvm
diff --git a/llvm/include/llvm/Object/DXContainer.h
b/llvm/include/llvm/Object/DXContainer.h
index 8574a04027ce46..0e93a0f1d9615d 100644
--- a/llvm/include/llvm/Object/DXContainer.h
+++ b/llvm/include/llvm/Object/DXContainer.h
@@ -22,6 +22,8 @@
#include "llvm/Support/MemoryBufferRef.h"
#include "llvm/TargetParser/Triple.h"
#include <array>
+#include <cstdint>
+#include <sys/types.h>
#include <variant>
namespace llvm {
@@ -116,6 +118,23 @@ template <typename T> struct ViewArray {
};
namespace DirectX {
+
+class RootSignature {
+private:
+ StringRef Data;
+ uint32_t Version;
+ uint32_t Flags;
+
+public:
+ RootSignature(StringRef Data) : Data(Data) {}
+
+ Error parse();
+
+ uint32_t getVersion() const { return Version; }
+
+ uint32_t getFlags() const { return Flags; }
+};
+
class PSVRuntimeInfo {
using ResourceArray = ViewArray<dxbc::PSV::v2::ResourceBindInfo>;
@@ -287,7 +306,7 @@ class DXContainer {
std::optional<uint64_t> ShaderFeatureFlags;
std::optional<dxbc::ShaderHash> Hash;
std::optional<DirectX::PSVRuntimeInfo> PSVInfo;
- std::optional<dxbc::RootSignatureDesc> RootSignature;
+ std::optional<DirectX::RootSignature> RootSignature;
DirectX::Signature InputSignature;
DirectX::Signature OutputSignature;
DirectX::Signature PatchConstantSignature;
@@ -384,7 +403,7 @@ class DXContainer {
std::optional<dxbc::ShaderHash> getShaderHash() const { return Hash; }
- std::optional<dxbc::RootSignatureDesc> getRootSignature() const {
+ std::optional<DirectX::RootSignature> getRootSignature() const {
return RootSignature;
}
diff --git a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
index 755c81541e5db0..eb514c19767592 100644
--- a/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
+++ b/llvm/include/llvm/ObjectYAML/DXContainerYAML.h
@@ -17,6 +17,7 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/DXContainer.h"
+#include "llvm/Object/DXContainer.h"
#include "llvm/ObjectYAML/YAML.h"
#include "llvm/Support/YAMLTraits.h"
#include <array>
@@ -75,7 +76,7 @@ struct ShaderHash {
#define ROOT_ELEMENT_FLAG(Num, Val, Str) bool Val = false;
struct RootSignatureDesc {
RootSignatureDesc() = default;
- RootSignatureDesc(const dxbc::RootSignatureDesc &Data);
+ RootSignatureDesc(const object::DirectX::RootSignature &Data);
uint32_t getEncodedFlags();
uint32_t Version;
diff --git a/llvm/lib/MC/CMakeLists.txt b/llvm/lib/MC/CMakeLists.txt
index e1d19196c8766a..f49f14c848b902 100644
--- a/llvm/lib/MC/CMakeLists.txt
+++ b/llvm/lib/MC/CMakeLists.txt
@@ -1,6 +1,7 @@
add_llvm_component_library(LLVMMC
ConstantPools.cpp
DXContainerPSVInfo.cpp
+ DXContainerRootSignature.cpp
ELFObjectWriter.cpp
GOFFObjectWriter.cpp
MCAsmBackend.cpp
diff --git a/llvm/lib/MC/DXContainerRootSignature.cpp
b/llvm/lib/MC/DXContainerRootSignature.cpp
new file mode 100644
index 00000000000000..331d5131fce7bc
--- /dev/null
+++ b/llvm/lib/MC/DXContainerRootSignature.cpp
@@ -0,0 +1,29 @@
+//===- llvm/MC/DXContainerRootSignature.cpp - DXContainer RootSignature -*- C++
+//-------*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/MC/DXContainerRootSignature.h"
+#include "llvm/Support/EndianStream.h"
+#include "llvm/Support/SwapByteOrder.h"
+#include <iterator>
+
+using namespace llvm;
+using namespace llvm::mcdxbc;
+
+void RootSignatureHeader::write(raw_ostream &OS, uint32_t Version) {
+
+ uint32_t SizeInfo = sizeof(this);
+ // support::endian::write(OS, SizeInfo, llvm::endianness::little);
+
+ if (sys::IsBigEndianHost) {
+ sys::swapByteOrder(Version);
+ sys::swapByteOrder(Flags);
+ }
+
+ OS.write(reinterpret_cast<const char *>(this), SizeInfo);
+}
diff --git a/llvm/lib/Object/DXContainer.cpp b/llvm/lib/Object/DXContainer.cpp
index 160844f73669ac..3d67a7bc0a566b 100644
--- a/llvm/lib/Object/DXContainer.cpp
+++ b/llvm/lib/Object/DXContainer.cpp
@@ -95,8 +95,8 @@ Error DXContainer::parseHash(StringRef Part) {
Error DXContainer::parseRootSignature(StringRef Part) {
if (RootSignature)
return parseFailed("More than one RTS0 part is present in the file");
- dxbc::RootSignatureDesc Desc;
- if (Error Err = readStruct(Part, Part.begin(), Desc))
+ DirectX::RootSignature Desc(Part);
+ if (Error Err = Desc.parse())
return Err;
RootSignature = Desc;
return Error::success();
@@ -242,6 +242,20 @@ void DXContainer::PartIterator::updateIteratorImpl(const
uint32_t Offset) {
IteratorState.Offset = Offset;
}
+Error DirectX::RootSignature::parse() {
+ const char *Current = Data.begin();
+ dxbc::RootSignatureDesc Desc;
+ if (Error Err = readStruct(Data, Current, Desc))
+ return Err;
+
+ if (sys::IsBigEndianHost)
+ Desc.swapBytes();
+
+ Version = Desc.Version;
+ Flags = Desc.Flags;
+ return Error::success();
+}
+
Error DirectX::PSVRuntimeInfo::parse(uint16_t ShaderKind) {
Triple::EnvironmentType ShaderStage = dxbc::getShaderStage(ShaderKind);
diff --git a/llvm/lib/ObjectYAML/DXContainerEmitter.cpp
b/llvm/lib/ObjectYAML/DXContainerEmitter.cpp
index 3ac539c8e0853c..0504f6b88a7db5 100644
--- a/llvm/lib/ObjectYAML/DXContainerEmitter.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerEmitter.cpp
@@ -13,6 +13,7 @@
#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/MC/DXContainerPSVInfo.h"
+#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/ObjectYAML/ObjectYAML.h"
#include "llvm/ObjectYAML/yaml2obj.h"
#include "llvm/Support/Errc.h"
@@ -264,13 +265,12 @@ void DXContainerWriter::writeParts(raw_ostream &OS) {
case dxbc::PartType::RTS0:
if (!P.RootSignature.has_value())
continue;
- uint32_t Flags = P.RootSignature->getEncodedFlags();
- if (sys::IsBigEndianHost)
- sys::swapByteOrder(Flags);
- dxbc::RootSignatureDesc RS = {P.RootSignature->Version, Flags};
- if (sys::IsBigEndianHost)
- RS.swapBytes();
- OS.write(reinterpret_cast<char *>(&RS), sizeof(dxbc::RootSignatureDesc));
+
+ mcdxbc::RootSignatureHeader Header;
+ Header.Version = P.RootSignature->Version;
+ Header.Flags = P.RootSignature->getEncodedFlags();
+
+ Header.write(OS);
break;
}
uint64_t BytesWritten = OS.tell() - DataStart;
diff --git a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
index 0351239cac2c12..aeae3d9f3958a5 100644
--- a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
@@ -14,6 +14,7 @@
#include "llvm/ObjectYAML/DXContainerYAML.h"
#include "llvm/ADT/ScopeExit.h"
#include "llvm/BinaryFormat/DXContainer.h"
+#include "llvm/Object/DXContainer.h"
#include "llvm/Support/ScopedPrinter.h"
#include <cstdint>
@@ -31,10 +32,11 @@
DXContainerYAML::ShaderFeatureFlags::ShaderFeatureFlags(uint64_t FlagData) {
}
DXContainerYAML::RootSignatureDesc::RootSignatureDesc(
- const dxbc::RootSignatureDesc &Data)
- : Version(Data.Version) {
+ const object::DirectX::RootSignature &Data)
+ : Version(Data.getVersion()) {
+ uint32_t Flags = Data.getFlags();
#define ROOT_ELEMENT_FLAG(Num, Val, Str)
\
- Val = (Data.Flags & (uint32_t)dxbc::RootElementFlag::Val) > 0;
+ Val = (Flags & (uint32_t)dxbc::RootElementFlag::Val) > 0;
#include "llvm/BinaryFormat/DXContainerConstants.def"
}
diff --git a/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
b/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
index 9588a8277dad7b..54a912d9438afd 100644
--- a/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
+++ b/llvm/tools/obj2yaml/dxcontainer2yaml.cpp
@@ -154,7 +154,7 @@ dumpDXContainer(MemoryBufferRef Source) {
case dxbc::PartType::Unknown:
break;
case dxbc::PartType::RTS0:
- std::optional<dxbc::RootSignatureDesc> RS = Container.getRootSignature();
+ std::optional<DirectX::RootSignature> RS = Container.getRootSignature();
if (RS.has_value())
NewPart.RootSignature = DXContainerYAML::RootSignatureDesc(*RS);
break;
>From 8fe5987d450f6d10b587996338fd7e9f8dc924e9 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Wed, 15 Jan 2025 17:30:00 +0000
Subject: [PATCH 05/12] adding metadata extraction
---
.../llvm/Analysis/DXILMetadataAnalysis.h | 3 +
llvm/lib/Analysis/DXILMetadataAnalysis.cpp | 89 +++++++++++++++++++
.../lib/Target/DirectX/DXContainerGlobals.cpp | 24 +++++
3 files changed, 116 insertions(+)
diff --git a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
index cb535ac14f1c61..f420244ba111a4 100644
--- a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
+++ b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
@@ -11,9 +11,11 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/PassManager.h"
+#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Pass.h"
#include "llvm/Support/VersionTuple.h"
#include "llvm/TargetParser/Triple.h"
+#include <optional>
namespace llvm {
@@ -37,6 +39,7 @@ struct ModuleMetadataInfo {
Triple::EnvironmentType ShaderProfile{Triple::UnknownEnvironment};
VersionTuple ValidatorVersion{};
SmallVector<EntryProperties> EntryPropertyVec{};
+ std::optional<mcdxbc::RootSignatureDesc> RootSignatureDesc;
void print(raw_ostream &OS) const;
};
diff --git a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
index a7f666a3f8b48f..388e3853008eae 100644
--- a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
+++ b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
@@ -15,12 +15,91 @@
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
+#include "llvm/MC/DXContainerRootSignature.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
+#include <memory>
#define DEBUG_TYPE "dxil-metadata-analysis"
using namespace llvm;
using namespace dxil;
+using namespace llvm::mcdxbc;
+
+static bool parseRootFlags(MDNode *RootFlagNode, RootSignatureDesc *Desc) {
+
+ assert(RootFlagNode->getNumOperands() == 2 &&
+ "Invalid format for RootFlag Element");
+ auto *Flag = mdconst::extract<ConstantInt>(RootFlagNode->getOperand(1));
+ auto Value = (RootSignatureFlags)Flag->getZExtValue();
+
+ if ((Value & ~RootSignatureFlags::ValidFlags) != RootSignatureFlags::None)
+ return true;
+
+ Desc->Flags = Value;
+ return false;
+}
+
+static bool parseRootSignatureElement(MDNode *Element,
+ RootSignatureDesc *Desc) {
+ MDString *ElementText = cast<MDString>(Element->getOperand(0));
+
+ assert(ElementText != nullptr && "First preoperty of element is not ");
+
+ RootSignatureElementKind ElementKind =
+ StringSwitch<RootSignatureElementKind>(ElementText->getString())
+ .Case("RootFlags", RootSignatureElementKind::RootFlags)
+ .Case("RootConstants", RootSignatureElementKind::RootConstants)
+ .Case("RootCBV", RootSignatureElementKind::RootDescriptor)
+ .Case("RootSRV", RootSignatureElementKind::RootDescriptor)
+ .Case("RootUAV", RootSignatureElementKind::RootDescriptor)
+ .Case("Sampler", RootSignatureElementKind::RootDescriptor)
+ .Case("DescriptorTable", RootSignatureElementKind::DescriptorTable)
+ .Case("StaticSampler", RootSignatureElementKind::StaticSampler)
+ .Default(RootSignatureElementKind::None);
+
+ switch (ElementKind) {
+
+ case RootSignatureElementKind::RootFlags: {
+ return parseRootFlags(Element, Desc);
+ break;
+ }
+
+ case RootSignatureElementKind::RootConstants:
+ case RootSignatureElementKind::RootDescriptor:
+ case RootSignatureElementKind::DescriptorTable:
+ case RootSignatureElementKind::StaticSampler:
+ case RootSignatureElementKind::None:
+ llvm_unreachable("Not Implemented yet");
+ break;
+ }
+
+ return true;
+}
+
+bool parseRootSignature(RootSignatureDesc *Desc, int32_t Version,
+ NamedMDNode *Root) {
+ Desc->Version = Version;
+ bool HasError = false;
+
+ for (unsigned int Sid = 0; Sid < Root->getNumOperands(); Sid++) {
+ // This should be an if, for error handling
+ MDNode *Node = cast<MDNode>(Root->getOperand(Sid));
+
+ // Not sure what use this for...
+ Metadata *Func = Node->getOperand(0).get();
+
+ // This should be an if, for error handling
+ MDNode *Elements = cast<MDNode>(Node->getOperand(1).get());
+
+ for (unsigned int Eid = 0; Eid < Elements->getNumOperands(); Eid++) {
+ MDNode *Element = cast<MDNode>(Elements->getOperand(Eid));
+
+ HasError = HasError || parseRootSignatureElement(Element, Desc);
+ }
+ }
+ return HasError;
+}
static ModuleMetadataInfo collectMetadataInfo(Module &M) {
ModuleMetadataInfo MMDAI;
@@ -28,6 +107,7 @@ static ModuleMetadataInfo collectMetadataInfo(Module &M) {
MMDAI.DXILVersion = TT.getDXILVersion();
MMDAI.ShaderModelVersion = TT.getOSVersion();
MMDAI.ShaderProfile = TT.getEnvironment();
+
NamedMDNode *ValidatorVerNode = M.getNamedMetadata("dx.valver");
if (ValidatorVerNode) {
auto *ValVerMD = cast<MDNode>(ValidatorVerNode->getOperand(0));
@@ -37,6 +117,15 @@ static ModuleMetadataInfo collectMetadataInfo(Module &M) {
VersionTuple(MajorMD->getZExtValue(), MinorMD->getZExtValue());
}
+ NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
+ if (RootSignatureNode) {
+ mcdxbc::RootSignatureDesc Desc;
+
+ parseRootSignature(&Desc, 1, RootSignatureNode);
+
+ MMDAI.RootSignatureDesc = Desc;
+ }
+
// For all HLSL Shader functions
for (auto &F : M.functions()) {
if (!F.hasFnAttribute("hlsl.shader"))
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index 7a0bd6a7c88692..7ab11ce757e436 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -23,9 +23,11 @@
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/DXContainerPSVInfo.h"
+#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Pass.h"
#include "llvm/Support/MD5.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
+#include <optional>
using namespace llvm;
using namespace llvm::dxil;
@@ -41,6 +43,7 @@ class DXContainerGlobals : public llvm::ModulePass {
GlobalVariable *buildSignature(Module &M, Signature &Sig, StringRef Name,
StringRef SectionName);
void addSignature(Module &M, SmallVector<GlobalValue *> &Globals);
+ void addRootSignature(Module &M, SmallVector<GlobalValue *> &Globals);
void addResourcesForPSV(Module &M, PSVRuntimeInfo &PSV);
void addPipelineStateValidationInfo(Module &M,
SmallVector<GlobalValue *> &Globals);
@@ -73,6 +76,7 @@ bool DXContainerGlobals::runOnModule(Module &M) {
Globals.push_back(getFeatureFlags(M));
Globals.push_back(computeShaderHash(M));
addSignature(M, Globals);
+ addRootSignature(M, Globals);
addPipelineStateValidationInfo(M, Globals);
appendToCompilerUsed(M, Globals);
return true;
@@ -144,6 +148,26 @@ void DXContainerGlobals::addSignature(Module &M,
Globals.emplace_back(buildSignature(M, OutputSig, "dx.osg1", "OSG1"));
}
+void DXContainerGlobals::addRootSignature(Module &M,
+ SmallVector<GlobalValue *> &Globals)
{
+
+ std::optional<RootSignatureDesc> Desc =
+ getAnalysis<DXILMetadataAnalysisWrapperPass>()
+ .getModuleMetadata()
+ .RootSignatureDesc;
+ if (!Desc.has_value())
+ return;
+
+ SmallString<256> Data;
+ raw_svector_ostream OS(Data);
+ RootSignatureDescWriter writer(&Desc.value());
+ writer.write(OS);
+
+ Constant *Constant =
+ ConstantDataArray::getString(M.getContext(), Data, /*AddNull*/ false);
+ Globals.emplace_back(buildContainerGlobal(M, Constant, "dx.rts0", "RTS0"));
+}
+
void DXContainerGlobals::addResourcesForPSV(Module &M, PSVRuntimeInfo &PSV) {
const DXILBindingMap &DBM =
getAnalysis<DXILResourceBindingWrapperPass>().getBindingMap();
>From 4f97c77a815e37588bb7e9b12d32fde916c04f64 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 00:36:11 +0000
Subject: [PATCH 06/12] moving root signature to it's own pass
---
.../llvm/Analysis/DXILMetadataAnalysis.h | 2 -
llvm/lib/Analysis/DXILMetadataAnalysis.cpp | 84 ----------
llvm/lib/MC/CMakeLists.txt | 1 -
llvm/lib/Target/DirectX/CMakeLists.txt | 2 +-
.../lib/Target/DirectX/DXContainerGlobals.cpp | 15 +-
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 146 ++++++++++++++++++
llvm/lib/Target/DirectX/DXILRootSignature.h | 75 +++++++++
llvm/lib/Target/DirectX/DirectX.h | 3 +
.../Target/DirectX/DirectXTargetMachine.cpp | 1 +
.../ContainerData/RootSignature-Flags.ll | 38 +++++
10 files changed, 271 insertions(+), 96 deletions(-)
create mode 100644 llvm/lib/Target/DirectX/DXILRootSignature.cpp
create mode 100644 llvm/lib/Target/DirectX/DXILRootSignature.h
create mode 100644
llvm/test/CodeGen/DirectX/ContainerData/RootSignature-Flags.ll
diff --git a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
index f420244ba111a4..dcc3237f57802f 100644
--- a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
+++ b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
@@ -11,7 +11,6 @@
#include "llvm/ADT/SmallVector.h"
#include "llvm/IR/PassManager.h"
-#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Pass.h"
#include "llvm/Support/VersionTuple.h"
#include "llvm/TargetParser/Triple.h"
@@ -39,7 +38,6 @@ struct ModuleMetadataInfo {
Triple::EnvironmentType ShaderProfile{Triple::UnknownEnvironment};
VersionTuple ValidatorVersion{};
SmallVector<EntryProperties> EntryPropertyVec{};
- std::optional<mcdxbc::RootSignatureDesc> RootSignatureDesc;
void print(raw_ostream &OS) const;
};
diff --git a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
index 388e3853008eae..15e72bf17515b1 100644
--- a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
+++ b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
@@ -15,7 +15,6 @@
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
-#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
#include <memory>
@@ -24,82 +23,8 @@
using namespace llvm;
using namespace dxil;
-using namespace llvm::mcdxbc;
-static bool parseRootFlags(MDNode *RootFlagNode, RootSignatureDesc *Desc) {
- assert(RootFlagNode->getNumOperands() == 2 &&
- "Invalid format for RootFlag Element");
- auto *Flag = mdconst::extract<ConstantInt>(RootFlagNode->getOperand(1));
- auto Value = (RootSignatureFlags)Flag->getZExtValue();
-
- if ((Value & ~RootSignatureFlags::ValidFlags) != RootSignatureFlags::None)
- return true;
-
- Desc->Flags = Value;
- return false;
-}
-
-static bool parseRootSignatureElement(MDNode *Element,
- RootSignatureDesc *Desc) {
- MDString *ElementText = cast<MDString>(Element->getOperand(0));
-
- assert(ElementText != nullptr && "First preoperty of element is not ");
-
- RootSignatureElementKind ElementKind =
- StringSwitch<RootSignatureElementKind>(ElementText->getString())
- .Case("RootFlags", RootSignatureElementKind::RootFlags)
- .Case("RootConstants", RootSignatureElementKind::RootConstants)
- .Case("RootCBV", RootSignatureElementKind::RootDescriptor)
- .Case("RootSRV", RootSignatureElementKind::RootDescriptor)
- .Case("RootUAV", RootSignatureElementKind::RootDescriptor)
- .Case("Sampler", RootSignatureElementKind::RootDescriptor)
- .Case("DescriptorTable", RootSignatureElementKind::DescriptorTable)
- .Case("StaticSampler", RootSignatureElementKind::StaticSampler)
- .Default(RootSignatureElementKind::None);
-
- switch (ElementKind) {
-
- case RootSignatureElementKind::RootFlags: {
- return parseRootFlags(Element, Desc);
- break;
- }
-
- case RootSignatureElementKind::RootConstants:
- case RootSignatureElementKind::RootDescriptor:
- case RootSignatureElementKind::DescriptorTable:
- case RootSignatureElementKind::StaticSampler:
- case RootSignatureElementKind::None:
- llvm_unreachable("Not Implemented yet");
- break;
- }
-
- return true;
-}
-
-bool parseRootSignature(RootSignatureDesc *Desc, int32_t Version,
- NamedMDNode *Root) {
- Desc->Version = Version;
- bool HasError = false;
-
- for (unsigned int Sid = 0; Sid < Root->getNumOperands(); Sid++) {
- // This should be an if, for error handling
- MDNode *Node = cast<MDNode>(Root->getOperand(Sid));
-
- // Not sure what use this for...
- Metadata *Func = Node->getOperand(0).get();
-
- // This should be an if, for error handling
- MDNode *Elements = cast<MDNode>(Node->getOperand(1).get());
-
- for (unsigned int Eid = 0; Eid < Elements->getNumOperands(); Eid++) {
- MDNode *Element = cast<MDNode>(Elements->getOperand(Eid));
-
- HasError = HasError || parseRootSignatureElement(Element, Desc);
- }
- }
- return HasError;
-}
static ModuleMetadataInfo collectMetadataInfo(Module &M) {
ModuleMetadataInfo MMDAI;
@@ -117,15 +42,6 @@ static ModuleMetadataInfo collectMetadataInfo(Module &M) {
VersionTuple(MajorMD->getZExtValue(), MinorMD->getZExtValue());
}
- NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
- if (RootSignatureNode) {
- mcdxbc::RootSignatureDesc Desc;
-
- parseRootSignature(&Desc, 1, RootSignatureNode);
-
- MMDAI.RootSignatureDesc = Desc;
- }
-
// For all HLSL Shader functions
for (auto &F : M.functions()) {
if (!F.hasFnAttribute("hlsl.shader"))
diff --git a/llvm/lib/MC/CMakeLists.txt b/llvm/lib/MC/CMakeLists.txt
index f49f14c848b902..e1d19196c8766a 100644
--- a/llvm/lib/MC/CMakeLists.txt
+++ b/llvm/lib/MC/CMakeLists.txt
@@ -1,7 +1,6 @@
add_llvm_component_library(LLVMMC
ConstantPools.cpp
DXContainerPSVInfo.cpp
- DXContainerRootSignature.cpp
ELFObjectWriter.cpp
GOFFObjectWriter.cpp
MCAsmBackend.cpp
diff --git a/llvm/lib/Target/DirectX/CMakeLists.txt
b/llvm/lib/Target/DirectX/CMakeLists.txt
index 26315db891b577..89fe494dea71cc 100644
--- a/llvm/lib/Target/DirectX/CMakeLists.txt
+++ b/llvm/lib/Target/DirectX/CMakeLists.txt
@@ -33,7 +33,7 @@ add_llvm_target(DirectXCodeGen
DXILResourceAccess.cpp
DXILShaderFlags.cpp
DXILTranslateMetadata.cpp
-
+ DXILRootSignature.cpp
LINK_COMPONENTS
Analysis
AsmPrinter
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index 7ab11ce757e436..833a22a9b3e81e 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -11,6 +11,7 @@
//===----------------------------------------------------------------------===//
#include "DXILShaderFlags.h"
+#include "DXILRootSignature.h"
#include "DirectX.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
@@ -23,7 +24,6 @@
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/DXContainerPSVInfo.h"
-#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Pass.h"
#include "llvm/Support/MD5.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
@@ -63,6 +63,7 @@ class DXContainerGlobals : public llvm::ModulePass {
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<ShaderFlagsAnalysisWrapper>();
+ AU.addRequired<RootSignatureAnalysisWrapper>();
AU.addRequired<DXILMetadataAnalysisWrapperPass>();
AU.addRequired<DXILResourceTypeWrapperPass>();
AU.addRequired<DXILResourceBindingWrapperPass>();
@@ -151,17 +152,15 @@ void DXContainerGlobals::addSignature(Module &M,
void DXContainerGlobals::addRootSignature(Module &M,
SmallVector<GlobalValue *> &Globals)
{
- std::optional<RootSignatureDesc> Desc =
- getAnalysis<DXILMetadataAnalysisWrapperPass>()
- .getModuleMetadata()
- .RootSignatureDesc;
- if (!Desc.has_value())
+ std::optional<ModuleRootSignature> MRS =
+ getAnalysis<RootSignatureAnalysisWrapper>()
+ .getRootSignature();
+ if (!MRS.has_value())
return;
SmallString<256> Data;
raw_svector_ostream OS(Data);
- RootSignatureDescWriter writer(&Desc.value());
- writer.write(OS);
+ MRS->write(OS);
Constant *Constant =
ConstantDataArray::getString(M.getContext(), Data, /*AddNull*/ false);
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
new file mode 100644
index 00000000000000..4a51198d97ac34
--- /dev/null
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -0,0 +1,146 @@
+//===- DXILRootSignature.cpp - DXIL Root Signature helper objects
---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file This file contains helper objects and APIs for working with DXIL
+/// Root Signatures.
+///
+//===----------------------------------------------------------------------===//
+#include "DXILRootSignature.h"
+#include "DirectX.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/BinaryFormat/DXContainer.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/Module.h"
+
+using namespace llvm;
+using namespace llvm::dxil;
+
+static bool parseRootFlags(ModuleRootSignature *MRS, MDNode *RootFlagNode) {
+
+ assert(RootFlagNode->getNumOperands() == 2 &&
+ "Invalid format for RootFlag Element");
+ auto *Flag = mdconst::extract<ConstantInt>(RootFlagNode->getOperand(1));
+ auto Value = Flag->getZExtValue();
+
+ // Root Element validation, as specified:
https://github.com/llvm/wg-hlsl/blob/main/proposals/0002-root-signature-in-clang.md#validations-during-dxil-generation
+ if ((Value & ~0x80000fff) != 0)
+ return true;
+
+ MRS->Flags = Value;
+ return false;
+}
+
+static bool parseRootSignatureElement(ModuleRootSignature *MRS, MDNode
*Element) {
+ MDString *ElementText = cast<MDString>(Element->getOperand(0));
+
+ assert(ElementText != nullptr && "First preoperty of element is not ");
+
+ RootSignatureElementKind ElementKind =
+ StringSwitch<RootSignatureElementKind>(ElementText->getString())
+ .Case("RootFlags", RootSignatureElementKind::RootFlags)
+ .Case("RootConstants", RootSignatureElementKind::RootConstants)
+ .Case("RootCBV", RootSignatureElementKind::RootDescriptor)
+ .Case("RootSRV", RootSignatureElementKind::RootDescriptor)
+ .Case("RootUAV", RootSignatureElementKind::RootDescriptor)
+ .Case("Sampler", RootSignatureElementKind::RootDescriptor)
+ .Case("DescriptorTable", RootSignatureElementKind::DescriptorTable)
+ .Case("StaticSampler", RootSignatureElementKind::StaticSampler)
+ .Default(RootSignatureElementKind::None);
+
+ switch (ElementKind) {
+
+ case RootSignatureElementKind::RootFlags: {
+ return parseRootFlags(MRS, Element);
+ break;
+ }
+
+ case RootSignatureElementKind::RootConstants:
+ case RootSignatureElementKind::RootDescriptor:
+ case RootSignatureElementKind::DescriptorTable:
+ case RootSignatureElementKind::StaticSampler:
+ case RootSignatureElementKind::None:
+ llvm_unreachable("Not Implemented yet");
+ break;
+ }
+
+ return true;
+}
+
+bool ModuleRootSignature::parse( int32_t Version,
+ NamedMDNode *Root) {
+ this->Version = Version;
+ bool HasError = false;
+
+ for (unsigned int Sid = 0; Sid < Root->getNumOperands(); Sid++) {
+ // This should be an if, for error handling
+ MDNode *Node = cast<MDNode>(Root->getOperand(Sid));
+
+ // Not sure what use this for...
+ Metadata *Func = Node->getOperand(0).get();
+
+ // This should be an if, for error handling
+ MDNode *Elements = cast<MDNode>(Node->getOperand(1).get());
+
+ for (unsigned int Eid = 0; Eid < Elements->getNumOperands(); Eid++) {
+ MDNode *Element = cast<MDNode>(Elements->getOperand(Eid));
+
+ HasError = HasError || parseRootSignatureElement(this, Element);
+ }
+ }
+ return HasError;
+}
+
+void ModuleRootSignature::write(raw_ostream &OS) {
+ dxbc::RootSignatureDesc Out{this->Version, this->Flags};
+
+ if (sys::IsBigEndianHost) {
+ Out.swapBytes();
+ }
+
+ OS.write(reinterpret_cast<const char *>(&Out),
sizeof(dxbc::RootSignatureDesc));
+}
+
+AnalysisKey RootSignatureAnalysis::Key;
+
+ModuleRootSignature RootSignatureAnalysis::run(Module &M,
+ ModuleAnalysisManager &AM) {
+ ModuleRootSignature MRSI;
+
+ NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
+ if (RootSignatureNode) {
+ MRSI.parse(1, RootSignatureNode);
+ }
+
+ return MRSI;
+
+}
+
+
+//===----------------------------------------------------------------------===//
+bool RootSignatureAnalysisWrapper::runOnModule(Module &M) {
+ ModuleRootSignature MRS;
+
+ NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
+ if (RootSignatureNode) {
+ MRS.parse(1, RootSignatureNode);
+ this->MRS = MRS;
+ }
+
+
+ return false;
+}
+
+void RootSignatureAnalysisWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+}
+
+char RootSignatureAnalysisWrapper::ID = 0;
+
+INITIALIZE_PASS(RootSignatureAnalysisWrapper, "dx-root-signature-analysis",
+ "DXIL Root Signature Analysis", true, true)
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
new file mode 100644
index 00000000000000..fdfd6c41c0af37
--- /dev/null
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -0,0 +1,75 @@
+//===- DXILRootSignature.h - DXIL Root Signature helper objects
---------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file This file contains helper objects and APIs for working with DXIL
+/// Root Signatures.
+///
+//===----------------------------------------------------------------------===//
+
+
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/PassManager.h"
+#include "llvm/Pass.h"
+#include <optional>
+
+namespace llvm {
+namespace dxil {
+
+
+ enum class RootSignatureElementKind {
+ None = 0,
+ RootFlags = 1,
+ RootConstants = 2,
+ RootDescriptor = 3,
+ DescriptorTable = 4,
+ StaticSampler = 5
+ };
+
+ struct ModuleRootSignature {
+ uint32_t Version;
+ uint32_t Flags;
+
+ ModuleRootSignature() = default;
+
+ bool parse( int32_t Version, NamedMDNode *Root);
+ void write(raw_ostream &OS);
+ };
+
+ class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
+ friend AnalysisInfoMixin<RootSignatureAnalysis>;
+ static AnalysisKey Key;
+
+ public:
+ RootSignatureAnalysis() = default;
+
+ using Result = ModuleRootSignature;
+
+ ModuleRootSignature run(Module &M, ModuleAnalysisManager &AM);
+ };
+
+ /// Wrapper pass for the legacy pass manager.
+ ///
+ /// This is required because the passes that will depend on this are
codegen
+ /// passes which run through the legacy pass manager.
+ class RootSignatureAnalysisWrapper : public ModulePass {
+ std::optional<ModuleRootSignature> MRS;
+
+ public:
+ static char ID;
+
+ RootSignatureAnalysisWrapper() : ModulePass(ID) {}
+
+ const std::optional<ModuleRootSignature> &getRootSignature() { return MRS;
}
+
+ bool runOnModule(Module &M) override;
+
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+ };
+
+} // namespace dxil
+} // namespace llvm
diff --git a/llvm/lib/Target/DirectX/DirectX.h
b/llvm/lib/Target/DirectX/DirectX.h
index add23587de7d58..953ac3eb820987 100644
--- a/llvm/lib/Target/DirectX/DirectX.h
+++ b/llvm/lib/Target/DirectX/DirectX.h
@@ -77,6 +77,9 @@ void initializeDXILPrettyPrinterLegacyPass(PassRegistry &);
/// Initializer for dxil::ShaderFlagsAnalysisWrapper pass.
void initializeShaderFlagsAnalysisWrapperPass(PassRegistry &);
+/// Initializer for dxil::RootSignatureAnalysisWrapper pass.
+void initializeRootSignatureAnalysisWrapperPass(PassRegistry &);
+
/// Initializer for DXContainerGlobals pass.
void initializeDXContainerGlobalsPass(PassRegistry &);
diff --git a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
index ecb1bf775f8578..93745d7a5cb0d2 100644
--- a/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
+++ b/llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
@@ -61,6 +61,7 @@ extern "C" LLVM_EXTERNAL_VISIBILITY void
LLVMInitializeDirectXTarget() {
initializeDXILTranslateMetadataLegacyPass(*PR);
initializeDXILResourceMDWrapperPass(*PR);
initializeShaderFlagsAnalysisWrapperPass(*PR);
+ initializeRootSignatureAnalysisWrapperPass(*PR);
initializeDXILFinalizeLinkageLegacyPass(*PR);
}
diff --git a/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-Flags.ll
b/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-Flags.ll
new file mode 100644
index 00000000000000..ffbf5e9ffd1d32
--- /dev/null
+++ b/llvm/test/CodeGen/DirectX/ContainerData/RootSignature-Flags.ll
@@ -0,0 +1,38 @@
+; RUN: opt %s -dxil-embed -dxil-globals -S -o - | FileCheck %s
+; RUN: llc %s --filetype=obj -o - | obj2yaml | FileCheck %s --check-prefix=DXC
+
+target triple = "dxil-unknown-shadermodel6.0-compute"
+
+; CHECK: @dx.rts0 = private constant [8 x i8] c"{{.*}}", section "RTS0",
align 4
+
+
+define void @main() #0 {
+entry:
+ ret void
+}
+
+attributes #0 = { "hlsl.numthreads"="1,1,1" "hlsl.shader"="compute" }
+
+
+!dx.rootsignatures = !{!2} ; list of function/root signature pairs
+!2 = !{ ptr @main, !3 } ; function, root signature
+!3 = !{ !4 } ; list of root signature elements
+!4 = !{ !"RootFlags", i32 1 } ; 1 = allow_input_assembler_input_layout
+
+
+; DXC: - Name: RTS0
+; DXC-NEXT: Size: 8
+; DXC-NEXT: RootSignature:
+; DXC-NEXT: Version: 1
+; DXC-NEXT: AllowInputAssemblerInputLayout: true
+; DXC-NEXT: DenyVertexShaderRootAccess: false
+; DXC-NEXT: DenyHullShaderRootAccess: false
+; DXC-NEXT: DenyDomainShaderRootAccess: false
+; DXC-NEXT: DenyGeometryShaderRootAccess: false
+; DXC-NEXT: DenyPixelShaderRootAccess: false
+; DXC-NEXT: AllowStreamOutput: false
+; DXC-NEXT: LocalRootSignature: false
+; DXC-NEXT: DenyAmplificationShaderRootAccess: false
+; DXC-NEXT: DenyMeshShaderRootAccess: false
+; DXC-NEXT: CBVSRVUAVHeapDirectlyIndexed: false
+; DXC-NEXT: SamplerHeapDirectlyIndexed: false
>From b9b1b58994b559eec1635ba1759f9c4312d4ec78 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 00:37:14 +0000
Subject: [PATCH 07/12] formating
---
llvm/lib/Analysis/DXILMetadataAnalysis.cpp | 2 -
.../lib/Target/DirectX/DXContainerGlobals.cpp | 5 +-
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 48 ++++++------
llvm/lib/Target/DirectX/DXILRootSignature.h | 77 +++++++++----------
4 files changed, 64 insertions(+), 68 deletions(-)
diff --git a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
index 15e72bf17515b1..197b7e422092c6 100644
--- a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
+++ b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
@@ -24,8 +24,6 @@
using namespace llvm;
using namespace dxil;
-
-
static ModuleMetadataInfo collectMetadataInfo(Module &M) {
ModuleMetadataInfo MMDAI;
Triple TT(Triple(M.getTargetTriple()));
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index 833a22a9b3e81e..ac70bd3771dadf 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -10,8 +10,8 @@
//
//===----------------------------------------------------------------------===//
-#include "DXILShaderFlags.h"
#include "DXILRootSignature.h"
+#include "DXILShaderFlags.h"
#include "DirectX.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
@@ -153,8 +153,7 @@ void DXContainerGlobals::addRootSignature(Module &M,
SmallVector<GlobalValue *> &Globals)
{
std::optional<ModuleRootSignature> MRS =
- getAnalysis<RootSignatureAnalysisWrapper>()
- .getRootSignature();
+ getAnalysis<RootSignatureAnalysisWrapper>().getRootSignature();
if (!MRS.has_value())
return;
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
index 4a51198d97ac34..89621868a93368 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -1,4 +1,5 @@
-//===- DXILRootSignature.cpp - DXIL Root Signature helper objects
---------------===//
+//===- DXILRootSignature.cpp - DXIL Root Signature helper objects
+//---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@@ -28,7 +29,8 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
auto *Flag = mdconst::extract<ConstantInt>(RootFlagNode->getOperand(1));
auto Value = Flag->getZExtValue();
- // Root Element validation, as specified:
https://github.com/llvm/wg-hlsl/blob/main/proposals/0002-root-signature-in-clang.md#validations-during-dxil-generation
+ // Root Element validation, as specified:
+ //
https://github.com/llvm/wg-hlsl/blob/main/proposals/0002-root-signature-in-clang.md#validations-during-dxil-generation
if ((Value & ~0x80000fff) != 0)
return true;
@@ -36,7 +38,8 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
return false;
}
-static bool parseRootSignatureElement(ModuleRootSignature *MRS, MDNode
*Element) {
+static bool parseRootSignatureElement(ModuleRootSignature *MRS,
+ MDNode *Element) {
MDString *ElementText = cast<MDString>(Element->getOperand(0));
assert(ElementText != nullptr && "First preoperty of element is not ");
@@ -72,8 +75,7 @@ static bool parseRootSignatureElement(ModuleRootSignature
*MRS, MDNode *Element)
return true;
}
-bool ModuleRootSignature::parse( int32_t Version,
- NamedMDNode *Root) {
+bool ModuleRootSignature::parse(int32_t Version, NamedMDNode *Root) {
this->Version = Version;
bool HasError = false;
@@ -103,37 +105,35 @@ void ModuleRootSignature::write(raw_ostream &OS) {
Out.swapBytes();
}
- OS.write(reinterpret_cast<const char *>(&Out),
sizeof(dxbc::RootSignatureDesc));
+ OS.write(reinterpret_cast<const char *>(&Out),
+ sizeof(dxbc::RootSignatureDesc));
}
AnalysisKey RootSignatureAnalysis::Key;
ModuleRootSignature RootSignatureAnalysis::run(Module &M,
- ModuleAnalysisManager &AM) {
- ModuleRootSignature MRSI;
+ ModuleAnalysisManager &AM) {
+ ModuleRootSignature MRSI;
- NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
- if (RootSignatureNode) {
- MRSI.parse(1, RootSignatureNode);
- }
-
- return MRSI;
+ NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
+ if (RootSignatureNode) {
+ MRSI.parse(1, RootSignatureNode);
+ }
+ return MRSI;
}
-
//===----------------------------------------------------------------------===//
bool RootSignatureAnalysisWrapper::runOnModule(Module &M) {
ModuleRootSignature MRS;
- NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
- if (RootSignatureNode) {
- MRS.parse(1, RootSignatureNode);
- this->MRS = MRS;
- }
-
+ NamedMDNode *RootSignatureNode = M.getNamedMetadata("dx.rootsignatures");
+ if (RootSignatureNode) {
+ MRS.parse(1, RootSignatureNode);
+ this->MRS = MRS;
+ }
- return false;
+ return false;
}
void RootSignatureAnalysisWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
@@ -142,5 +142,5 @@ void
RootSignatureAnalysisWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
char RootSignatureAnalysisWrapper::ID = 0;
-INITIALIZE_PASS(RootSignatureAnalysisWrapper, "dx-root-signature-analysis",
- "DXIL Root Signature Analysis", true, true)
+INITIALIZE_PASS(RootSignatureAnalysisWrapper, "dx-root-signature-analysis",
+ "DXIL Root Signature Analysis", true, true)
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index fdfd6c41c0af37..de82afcdc8c467 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -1,4 +1,5 @@
-//===- DXILRootSignature.h - DXIL Root Signature helper objects
---------------===//
+//===- DXILRootSignature.h - DXIL Root Signature helper objects
+//---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@@ -11,7 +12,6 @@
///
//===----------------------------------------------------------------------===//
-
#include "llvm/IR/Metadata.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Pass.h"
@@ -20,56 +20,55 @@
namespace llvm {
namespace dxil {
+enum class RootSignatureElementKind {
+ None = 0,
+ RootFlags = 1,
+ RootConstants = 2,
+ RootDescriptor = 3,
+ DescriptorTable = 4,
+ StaticSampler = 5
+};
- enum class RootSignatureElementKind {
- None = 0,
- RootFlags = 1,
- RootConstants = 2,
- RootDescriptor = 3,
- DescriptorTable = 4,
- StaticSampler = 5
- };
-
- struct ModuleRootSignature {
- uint32_t Version;
- uint32_t Flags;
+struct ModuleRootSignature {
+ uint32_t Version;
+ uint32_t Flags;
- ModuleRootSignature() = default;
+ ModuleRootSignature() = default;
- bool parse( int32_t Version, NamedMDNode *Root);
- void write(raw_ostream &OS);
- };
+ bool parse(int32_t Version, NamedMDNode *Root);
+ void write(raw_ostream &OS);
+};
- class RootSignatureAnalysis : public
AnalysisInfoMixin<RootSignatureAnalysis> {
- friend AnalysisInfoMixin<RootSignatureAnalysis>;
- static AnalysisKey Key;
+class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
+ friend AnalysisInfoMixin<RootSignatureAnalysis>;
+ static AnalysisKey Key;
- public:
- RootSignatureAnalysis() = default;
+public:
+ RootSignatureAnalysis() = default;
- using Result = ModuleRootSignature;
+ using Result = ModuleRootSignature;
- ModuleRootSignature run(Module &M, ModuleAnalysisManager &AM);
- };
+ ModuleRootSignature run(Module &M, ModuleAnalysisManager &AM);
+};
- /// Wrapper pass for the legacy pass manager.
- ///
- /// This is required because the passes that will depend on this are
codegen
- /// passes which run through the legacy pass manager.
- class RootSignatureAnalysisWrapper : public ModulePass {
- std::optional<ModuleRootSignature> MRS;
+/// Wrapper pass for the legacy pass manager.
+///
+/// This is required because the passes that will depend on this are codegen
+/// passes which run through the legacy pass manager.
+class RootSignatureAnalysisWrapper : public ModulePass {
+ std::optional<ModuleRootSignature> MRS;
- public:
- static char ID;
+public:
+ static char ID;
- RootSignatureAnalysisWrapper() : ModulePass(ID) {}
+ RootSignatureAnalysisWrapper() : ModulePass(ID) {}
- const std::optional<ModuleRootSignature> &getRootSignature() { return MRS;
}
+ const std::optional<ModuleRootSignature> &getRootSignature() { return MRS; }
- bool runOnModule(Module &M) override;
+ bool runOnModule(Module &M) override;
- void getAnalysisUsage(AnalysisUsage &AU) const override;
- };
+ void getAnalysisUsage(AnalysisUsage &AU) const override;
+};
} // namespace dxil
} // namespace llvm
>From 862ce1612c51deaffe2df04b55e1c7531346fb7c Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 00:42:54 +0000
Subject: [PATCH 08/12] removing useless imports
---
llvm/include/llvm/Analysis/DXILMetadataAnalysis.h | 1 -
llvm/lib/Analysis/DXILMetadataAnalysis.cpp | 3 ---
llvm/lib/ObjectYAML/DXContainerYAML.cpp | 1 -
3 files changed, 5 deletions(-)
diff --git a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
index dcc3237f57802f..cb535ac14f1c61 100644
--- a/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
+++ b/llvm/include/llvm/Analysis/DXILMetadataAnalysis.h
@@ -14,7 +14,6 @@
#include "llvm/Pass.h"
#include "llvm/Support/VersionTuple.h"
#include "llvm/TargetParser/Triple.h"
-#include <optional>
namespace llvm {
diff --git a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
index 197b7e422092c6..a7f666a3f8b48f 100644
--- a/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
+++ b/llvm/lib/Analysis/DXILMetadataAnalysis.cpp
@@ -15,9 +15,7 @@
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
-#include "llvm/Support/Casting.h"
#include "llvm/Support/ErrorHandling.h"
-#include <memory>
#define DEBUG_TYPE "dxil-metadata-analysis"
@@ -30,7 +28,6 @@ static ModuleMetadataInfo collectMetadataInfo(Module &M) {
MMDAI.DXILVersion = TT.getDXILVersion();
MMDAI.ShaderModelVersion = TT.getOSVersion();
MMDAI.ShaderProfile = TT.getEnvironment();
-
NamedMDNode *ValidatorVerNode = M.getNamedMetadata("dx.valver");
if (ValidatorVerNode) {
auto *ValVerMD = cast<MDNode>(ValidatorVerNode->getOperand(0));
diff --git a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
index aeae3d9f3958a5..f6c159bc1f6f4f 100644
--- a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
@@ -16,7 +16,6 @@
#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/Object/DXContainer.h"
#include "llvm/Support/ScopedPrinter.h"
-#include <cstdint>
namespace llvm {
>From 7a45f5bb716f1555248f768558905843a3348022 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 19:22:31 +0000
Subject: [PATCH 09/12] fixing pr changes
---
llvm/lib/ObjectYAML/DXContainerYAML.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
index f6c159bc1f6f4f..aeae3d9f3958a5 100644
--- a/llvm/lib/ObjectYAML/DXContainerYAML.cpp
+++ b/llvm/lib/ObjectYAML/DXContainerYAML.cpp
@@ -16,6 +16,7 @@
#include "llvm/BinaryFormat/DXContainer.h"
#include "llvm/Object/DXContainer.h"
#include "llvm/Support/ScopedPrinter.h"
+#include <cstdint>
namespace llvm {
>From 963f968588723d1523e1536bf7bc81482e454ae7 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 20:06:13 +0000
Subject: [PATCH 10/12] adding some asserts
---
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
index 89621868a93368..024743b9f81a6c 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -18,6 +18,7 @@
#include "llvm/IR/Constants.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
+#include <cassert>
using namespace llvm;
using namespace llvm::dxil;
@@ -31,8 +32,7 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
// Root Element validation, as specified:
//
https://github.com/llvm/wg-hlsl/blob/main/proposals/0002-root-signature-in-clang.md#validations-during-dxil-generation
- if ((Value & ~0x80000fff) != 0)
- return true;
+ assert((Value & ~0x80000fff) != 0 && "Invalid flag for RootFlag Element");
MRS->Flags = Value;
return false;
@@ -41,8 +41,7 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
static bool parseRootSignatureElement(ModuleRootSignature *MRS,
MDNode *Element) {
MDString *ElementText = cast<MDString>(Element->getOperand(0));
-
- assert(ElementText != nullptr && "First preoperty of element is not ");
+ assert(ElementText != nullptr && "First preoperty of element is not a
string");
RootSignatureElementKind ElementKind =
StringSwitch<RootSignatureElementKind>(ElementText->getString())
@@ -84,13 +83,14 @@ bool ModuleRootSignature::parse(int32_t Version,
NamedMDNode *Root) {
MDNode *Node = cast<MDNode>(Root->getOperand(Sid));
// Not sure what use this for...
- Metadata *Func = Node->getOperand(0).get();
+ // Metadata *Func = Node->getOperand(0).get();
- // This should be an if, for error handling
MDNode *Elements = cast<MDNode>(Node->getOperand(1).get());
+ assert(Elements && "Invalid Metadata type on root signature");
for (unsigned int Eid = 0; Eid < Elements->getNumOperands(); Eid++) {
MDNode *Element = cast<MDNode>(Elements->getOperand(Eid));
+ assert(Element && "Invalid Metadata type on root element");
HasError = HasError || parseRootSignatureElement(this, Element);
}
>From f315b468f01da394fa72b82bb7e52e7f33bf3d6b Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Thu, 16 Jan 2025 20:11:36 +0000
Subject: [PATCH 11/12] format
---
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
index 024743b9f81a6c..cabaec3671078e 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -41,7 +41,8 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
static bool parseRootSignatureElement(ModuleRootSignature *MRS,
MDNode *Element) {
MDString *ElementText = cast<MDString>(Element->getOperand(0));
- assert(ElementText != nullptr && "First preoperty of element is not a
string");
+ assert(ElementText != nullptr &&
+ "First preoperty of element is not a string");
RootSignatureElementKind ElementKind =
StringSwitch<RootSignatureElementKind>(ElementText->getString())
>From 789c9a51856bef0e82126a02161bdb14b1cb6273 Mon Sep 17 00:00:00 2001
From: joaosaffran <joao.saff...@microsoft.com>
Date: Sat, 18 Jan 2025 00:24:53 +0000
Subject: [PATCH 12/12] fixing assert
---
llvm/lib/MC/CMakeLists.txt | 1 +
llvm/lib/Target/DirectX/DXContainerGlobals.cpp | 7 ++++++-
llvm/lib/Target/DirectX/DXILRootSignature.cpp | 13 +------------
llvm/lib/Target/DirectX/DXILRootSignature.h | 1 -
4 files changed, 8 insertions(+), 14 deletions(-)
diff --git a/llvm/lib/MC/CMakeLists.txt b/llvm/lib/MC/CMakeLists.txt
index e1d19196c8766a..f49f14c848b902 100644
--- a/llvm/lib/MC/CMakeLists.txt
+++ b/llvm/lib/MC/CMakeLists.txt
@@ -1,6 +1,7 @@
add_llvm_component_library(LLVMMC
ConstantPools.cpp
DXContainerPSVInfo.cpp
+ DXContainerRootSignature.cpp
ELFObjectWriter.cpp
GOFFObjectWriter.cpp
MCAsmBackend.cpp
diff --git a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
index ac70bd3771dadf..c090d1074250a0 100644
--- a/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
+++ b/llvm/lib/Target/DirectX/DXContainerGlobals.cpp
@@ -24,6 +24,7 @@
#include "llvm/IR/Module.h"
#include "llvm/InitializePasses.h"
#include "llvm/MC/DXContainerPSVInfo.h"
+#include "llvm/MC/DXContainerRootSignature.h"
#include "llvm/Pass.h"
#include "llvm/Support/MD5.h"
#include "llvm/Transforms/Utils/ModuleUtils.h"
@@ -159,7 +160,11 @@ void DXContainerGlobals::addRootSignature(Module &M,
SmallString<256> Data;
raw_svector_ostream OS(Data);
- MRS->write(OS);
+
+ RootSignatureHeader RSH;
+ RSH.Flags = MRS->Flags;
+ RSH.Version = MRS->Version;
+ RSH.write(OS);
Constant *Constant =
ConstantDataArray::getString(M.getContext(), Data, /*AddNull*/ false);
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
index cabaec3671078e..5ee9eea68b9e60 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.cpp
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.cpp
@@ -32,7 +32,7 @@ static bool parseRootFlags(ModuleRootSignature *MRS, MDNode
*RootFlagNode) {
// Root Element validation, as specified:
//
https://github.com/llvm/wg-hlsl/blob/main/proposals/0002-root-signature-in-clang.md#validations-during-dxil-generation
- assert((Value & ~0x80000fff) != 0 && "Invalid flag for RootFlag Element");
+ assert((Value & ~0x80000fff) == 0 && "Invalid flag for RootFlag Element");
MRS->Flags = Value;
return false;
@@ -99,17 +99,6 @@ bool ModuleRootSignature::parse(int32_t Version, NamedMDNode
*Root) {
return HasError;
}
-void ModuleRootSignature::write(raw_ostream &OS) {
- dxbc::RootSignatureDesc Out{this->Version, this->Flags};
-
- if (sys::IsBigEndianHost) {
- Out.swapBytes();
- }
-
- OS.write(reinterpret_cast<const char *>(&Out),
- sizeof(dxbc::RootSignatureDesc));
-}
-
AnalysisKey RootSignatureAnalysis::Key;
ModuleRootSignature RootSignatureAnalysis::run(Module &M,
diff --git a/llvm/lib/Target/DirectX/DXILRootSignature.h
b/llvm/lib/Target/DirectX/DXILRootSignature.h
index de82afcdc8c467..3bbbaa12b07984 100644
--- a/llvm/lib/Target/DirectX/DXILRootSignature.h
+++ b/llvm/lib/Target/DirectX/DXILRootSignature.h
@@ -36,7 +36,6 @@ struct ModuleRootSignature {
ModuleRootSignature() = default;
bool parse(int32_t Version, NamedMDNode *Root);
- void write(raw_ostream &OS);
};
class RootSignatureAnalysis : public AnalysisInfoMixin<RootSignatureAnalysis> {
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