[PATCH] D152965: [OpenMP] Correctly diagnose conflicting target identifierers for AMDGPU

[Joseph Huber via Phabricator via cfe-commits]

jhuber6 created this revision.
jhuber6 added reviewers: JonChesterfield, yaxunl, jdoerfert.
Herald added subscribers: sunshaoce, kerbowa, guansong, tpr, dstuttard, 
jvesely, kzhuravl.
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jhuber6 requested review of this revision.
Herald added subscribers: cfe-commits, jplehr, sstefan1, MaskRay, wdng.
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There are static checks on the target identifiers allowed in a single
TU. Previously theses checks were only applied to HIP even though they
should be the same for OpenMP targeting AMDGPU. Simply enable these
checks for OpenMP.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D152965

Files:
  clang/lib/Driver/Driver.cpp
  clang/test/Driver/amdgpu-openmp-toolchain.c


Index: clang/test/Driver/amdgpu-openmp-toolchain.c
===================================================================
--- clang/test/Driver/amdgpu-openmp-toolchain.c
+++ clang/test/Driver/amdgpu-openmp-toolchain.c
@@ -66,3 +66,7 @@
 // RUN: %clang -### -target x86_64-pc-linux-gnu -fopenmp 
--offload-arch=gfx90a:sramecc-:xnack+ \
 // RUN:   -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-TARGET-ID
 // CHECK-TARGET-ID: 
clang-offload-packager{{.*}}arch=gfx90a:sramecc-:xnack+,kind=openmp,feature=-sramecc,feature=+xnack
+
+// RUN: not %clang -### -target x86_64-pc-linux-gnu -fopenmp 
--offload-arch=gfx90a,gfx90a:xnack+ \
+// RUN:   -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-TARGET-ID-ERROR
+// CHECK-TARGET-ID-ERROR: error: invalid offload arch combinations: 'gfx90a' 
and 'gfx90a:xnack+'
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -4313,8 +4313,8 @@
 /// incompatible pair if a conflict occurs.
 static std::optional<std::pair<llvm::StringRef, llvm::StringRef>>
 getConflictOffloadArchCombination(const llvm::DenseSet<StringRef> &Archs,
-                                  Action::OffloadKind Kind) {
-  if (Kind != Action::OFK_HIP)
+                                  llvm::Triple Triple) {
+  if (!Triple.isAMDGPU())
     return std::nullopt;
 
   std::set<StringRef> ArchSet;
@@ -4399,7 +4399,8 @@
     }
   }
 
-  if (auto ConflictingArchs = getConflictOffloadArchCombination(Archs, Kind)) {
+  if (auto ConflictingArchs = getConflictOffloadArchCombination(Archs,
+        TC->getTriple())) {
     C.getDriver().Diag(clang::diag::err_drv_bad_offload_arch_combo)
         << ConflictingArchs->first << ConflictingArchs->second;
     C.setContainsError();



Index: clang/test/Driver/amdgpu-openmp-toolchain.c
===================================================================
--- clang/test/Driver/amdgpu-openmp-toolchain.c
+++ clang/test/Driver/amdgpu-openmp-toolchain.c
@@ -66,3 +66,7 @@
 // RUN: %clang -### -target x86_64-pc-linux-gnu -fopenmp --offload-arch=gfx90a:sramecc-:xnack+ \
 // RUN:   -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-TARGET-ID
 // CHECK-TARGET-ID: clang-offload-packager{{.*}}arch=gfx90a:sramecc-:xnack+,kind=openmp,feature=-sramecc,feature=+xnack
+
+// RUN: not %clang -### -target x86_64-pc-linux-gnu -fopenmp --offload-arch=gfx90a,gfx90a:xnack+ \
+// RUN:   -nogpulib %s 2>&1 | FileCheck %s --check-prefix=CHECK-TARGET-ID-ERROR
+// CHECK-TARGET-ID-ERROR: error: invalid offload arch combinations: 'gfx90a' and 'gfx90a:xnack+'
Index: clang/lib/Driver/Driver.cpp
===================================================================
--- clang/lib/Driver/Driver.cpp
+++ clang/lib/Driver/Driver.cpp
@@ -4313,8 +4313,8 @@
 /// incompatible pair if a conflict occurs.
 static std::optional<std::pair<llvm::StringRef, llvm::StringRef>>
 getConflictOffloadArchCombination(const llvm::DenseSet<StringRef> &Archs,
-                                  Action::OffloadKind Kind) {
-  if (Kind != Action::OFK_HIP)
+                                  llvm::Triple Triple) {
+  if (!Triple.isAMDGPU())
     return std::nullopt;
 
   std::set<StringRef> ArchSet;
@@ -4399,7 +4399,8 @@
     }
   }
 
-  if (auto ConflictingArchs = getConflictOffloadArchCombination(Archs, Kind)) {
+  if (auto ConflictingArchs = getConflictOffloadArchCombination(Archs,
+        TC->getTriple())) {
     C.getDriver().Diag(clang::diag::err_drv_bad_offload_arch_combo)
         << ConflictingArchs->first << ConflictingArchs->second;
     C.setContainsError();

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