https://github.com/diggerlin created
https://github.com/llvm/llvm-project/pull/130994
There are some variables in the PPC.h which are defined and assigned a value to
them,
but never be used, remove the code related to the variables.
>From 45a51fd46aeedd73fbfe5d9ae493eeb9084bc98c Mon Sep 17 00:00:00 2001
From: zhijian <zhij...@ca.ibm.com>
Date: Wed, 12 Mar 2025 16:50:13 +0000
Subject: [PATCH] cleand dead code of PPC.cpp and PPC.h
---
clang/lib/Basic/Targets/PPC.cpp | 42 ---------------------------------
clang/lib/Basic/Targets/PPC.h | 14 -----------
2 files changed, 56 deletions(-)
diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 2d8891a739ca3..2441cb00dfdfc 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -46,18 +46,10 @@ bool
PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasAltivec = true;
} else if (Feature == "+vsx") {
HasVSX = true;
- } else if (Feature == "+crbits") {
- UseCRBits = true;
- } else if (Feature == "+bpermd") {
- HasBPERMD = true;
- } else if (Feature == "+extdiv") {
- HasExtDiv = true;
} else if (Feature == "+power8-vector") {
HasP8Vector = true;
} else if (Feature == "+crypto") {
HasP8Crypto = true;
- } else if (Feature == "+direct-move") {
- HasDirectMove = true;
} else if (Feature == "+htm") {
HasHTM = true;
} else if (Feature == "+float128") {
@@ -68,8 +60,6 @@ bool
PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasP10Vector = true;
} else if (Feature == "+pcrelative-memops") {
HasPCRelativeMemops = true;
- } else if (Feature == "+prefix-instrs") {
- HasPrefixInstrs = true;
} else if (Feature == "+spe" || Feature == "+efpu2") {
HasStrictFP = false;
HasSPE = true;
@@ -81,30 +71,12 @@ bool
PPCTargetInfo::handleTargetFeatures(std::vector<std::string> &Features,
HasFrsqrtes = true;
} else if (Feature == "-hard-float") {
FloatABI = SoftFloat;
- } else if (Feature == "+paired-vector-memops") {
- PairedVectorMemops = true;
} else if (Feature == "+mma") {
HasMMA = true;
} else if (Feature == "+rop-protect") {
HasROPProtect = true;
- } else if (Feature == "+privileged") {
- HasPrivileged = true;
- } else if (Feature == "+aix-small-local-exec-tls") {
- HasAIXSmallLocalExecTLS = true;
- } else if (Feature == "+aix-small-local-dynamic-tls") {
- HasAIXSmallLocalDynamicTLS = true;
- } else if (Feature == "+isa-v206-instructions") {
- IsISA2_06 = true;
- } else if (Feature == "+isa-v207-instructions") {
- IsISA2_07 = true;
- } else if (Feature == "+isa-v30-instructions") {
- IsISA3_0 = true;
- } else if (Feature == "+isa-v31-instructions") {
- IsISA3_1 = true;
} else if (Feature == "+quadword-atomics") {
HasQuadwordAtomics = true;
- } else if (Feature == "+aix-shared-lib-tls-model-opt") {
- HasAIXShLibTLSModelOpt = true;
} else if (Feature == "+longcall") {
UseLongCalls = true;
}
@@ -745,31 +717,17 @@ bool PPCTargetInfo::hasFeature(StringRef Feature) const {
.Case("powerpc", true)
.Case("altivec", HasAltivec)
.Case("vsx", HasVSX)
- .Case("crbits", UseCRBits)
.Case("power8-vector", HasP8Vector)
.Case("crypto", HasP8Crypto)
- .Case("direct-move", HasDirectMove)
.Case("htm", HasHTM)
- .Case("bpermd", HasBPERMD)
- .Case("extdiv", HasExtDiv)
.Case("float128", HasFloat128)
.Case("power9-vector", HasP9Vector)
- .Case("paired-vector-memops", PairedVectorMemops)
.Case("power10-vector", HasP10Vector)
.Case("pcrelative-memops", HasPCRelativeMemops)
- .Case("prefix-instrs", HasPrefixInstrs)
.Case("spe", HasSPE)
.Case("mma", HasMMA)
.Case("rop-protect", HasROPProtect)
- .Case("privileged", HasPrivileged)
- .Case("aix-small-local-exec-tls", HasAIXSmallLocalExecTLS)
- .Case("aix-small-local-dynamic-tls", HasAIXSmallLocalDynamicTLS)
- .Case("isa-v206-instructions", IsISA2_06)
- .Case("isa-v207-instructions", IsISA2_07)
- .Case("isa-v30-instructions", IsISA3_0)
- .Case("isa-v31-instructions", IsISA3_1)
.Case("quadword-atomics", HasQuadwordAtomics)
- .Case("aix-shared-lib-tls-model-opt", HasAIXShLibTLSModelOpt)
.Case("longcall", UseLongCalls)
.Default(false);
}
diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index db6ac6f0bd338..17057cef97a57 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -60,31 +60,17 @@ class LLVM_LIBRARY_VISIBILITY PPCTargetInfo : public
TargetInfo {
bool HasAltivec = false;
bool HasMMA = false;
bool HasROPProtect = false;
- bool HasPrivileged = false;
- bool HasAIXSmallLocalExecTLS = false;
- bool HasAIXSmallLocalDynamicTLS = false;
bool HasVSX = false;
- bool UseCRBits = false;
bool HasP8Vector = false;
bool HasP8Crypto = false;
- bool HasDirectMove = false;
bool HasHTM = false;
- bool HasBPERMD = false;
- bool HasExtDiv = false;
bool HasP9Vector = false;
bool HasSPE = false;
bool HasFrsqrte = false;
bool HasFrsqrtes = false;
- bool PairedVectorMemops = false;
bool HasP10Vector = false;
bool HasPCRelativeMemops = false;
- bool HasPrefixInstrs = false;
- bool IsISA2_06 = false;
- bool IsISA2_07 = false;
- bool IsISA3_0 = false;
- bool IsISA3_1 = false;
bool HasQuadwordAtomics = false;
- bool HasAIXShLibTLSModelOpt = false;
bool UseLongCalls = false;
protected:
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