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Fix for issue #1413 (cherry-pick #179 to release_18x) #185

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merged 1 commit into from
Aug 13, 2024
Merged

Fix for issue #1413 (cherry-pick #179 to release_18x) #185

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14 changes: 10 additions & 4 deletions clang/lib/CodeGen/BackendUtil.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -557,8 +557,11 @@ bool EmitAssemblyHelper::AddEmitPasses(legacy::PassManager &CodeGenPasses,
raw_pwrite_stream &OS,
raw_pwrite_stream *DwoOS) {
// Add LibraryInfo.
std::unique_ptr<TargetLibraryInfoImpl> TLII(
llvm::driver::createTLII(TargetTriple, CodeGenOpts.getVecLib()));
bool TargetHasAVX512 =
std::find(TargetOpts.Features.begin(), TargetOpts.Features.end(),
"+avx512f") != TargetOpts.Features.end();
std::unique_ptr<TargetLibraryInfoImpl> TLII(llvm::driver::createTLII(
TargetTriple, CodeGenOpts.getVecLib(), TargetHasAVX512));
CodeGenPasses.add(new TargetLibraryInfoWrapperPass(*TLII));

// Normal mode, emit a .s or .o file by running the code generator. Note,
Expand Down Expand Up @@ -890,8 +893,11 @@ void EmitAssemblyHelper::RunOptimizationPipeline(

// Register the target library analysis directly and give it a customized
// preset TLI.
std::unique_ptr<TargetLibraryInfoImpl> TLII(
llvm::driver::createTLII(TargetTriple, CodeGenOpts.getVecLib()));
bool TargetHasAVX512 =
std::find(TargetOpts.Features.begin(), TargetOpts.Features.end(),
"+avx512f") != TargetOpts.Features.end();
std::unique_ptr<TargetLibraryInfoImpl> TLII(llvm::driver::createTLII(
TargetTriple, CodeGenOpts.getVecLib(), TargetHasAVX512));
FAM.registerPass([&] { return TargetLibraryAnalysis(*TLII); });

// Register all the basic analyses with the managers.
Expand Down
1 change: 1 addition & 0 deletions llvm/include/llvm/Analysis/TargetLibraryInfo.h
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Expand Up @@ -130,6 +130,7 @@ class TargetLibraryInfoImpl {
MASSV, // IBM MASS vector library.
#ifdef ENABLE_CLASSIC_FLANG
PGMATH, // PGI math library.
PGMATH_AVX512, // PGI math library (AVX512 subset).
#endif
SVML, // Intel short vector math library.
SLEEFGNUABI, // SLEEF - SIMD Library for Evaluating Elementary Functions.
Expand Down
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