diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-10-23 17:51:42 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-10-23 17:51:42 +0000 |
| commit | 1d5ae1026e831016fc29fd927877c86af904481f (patch) | |
| tree | 2cdfd12620fcfa5d9e4a0389f85368e8e36f63f9 /lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp | |
| parent | e6d1592492a3a379186bfb02bd0f4eda0669c0d5 (diff) | |
Notes
Diffstat (limited to 'lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp')
| -rw-r--r-- | lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp b/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp index b750c6b5f6d2..1640a4a59ee2 100644 --- a/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp +++ b/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp @@ -55,6 +55,12 @@ static cl::opt<bool> WidenLoads( cl::ReallyHidden, cl::init(true)); +static cl::opt<bool> UseMul24Intrin( + "amdgpu-codegenprepare-mul24", + cl::desc("Introduce mul24 intrinsics in AMDGPUCodeGenPrepare"), + cl::ReallyHidden, + cl::init(true)); + class AMDGPUCodeGenPrepare : public FunctionPass, public InstVisitor<AMDGPUCodeGenPrepare, bool> { const GCNSubtarget *ST = nullptr; @@ -509,7 +515,9 @@ bool AMDGPUCodeGenPrepare::replaceMulWithMul24(BinaryOperator &I) const { } } - I.replaceAllUsesWith(insertValues(Builder, Ty, ResultVals)); + Value *NewVal = insertValues(Builder, Ty, ResultVals); + NewVal->takeName(&I); + I.replaceAllUsesWith(NewVal); I.eraseFromParent(); return true; @@ -879,7 +887,7 @@ bool AMDGPUCodeGenPrepare::visitBinaryOperator(BinaryOperator &I) { DA->isUniform(&I) && promoteUniformOpToI32(I)) return true; - if (replaceMulWithMul24(I)) + if (UseMul24Intrin && replaceMulWithMul24(I)) return true; bool Changed = false; |