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| author | Craig Topper <craig.topper@gmail.com> | 2017-02-18 07:07:50 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-02-18 07:07:50 +0000 |
| commit | a505169ca522b8ca6f55ccb6e712c67f5233c9fc (patch) | |
| tree | 076fee62d510144b905efebd4615c91912312fe2 /llvm/lib/IR/AutoUpgrade.cpp | |
| parent | b70afdb5e8ac7958d242d45b90cf3531973c0f4f (diff) | |
| download | llvm-a505169ca522b8ca6f55ccb6e712c67f5233c9fc.zip llvm-a505169ca522b8ca6f55ccb6e712c67f5233c9fc.tar.gz llvm-a505169ca522b8ca6f55ccb6e712c67f5233c9fc.tar.bz2 | |
[AVX-512] Remove 128/256-bit masked fp max/min intrinsics. Upgrade them to legacy unmasked intrinsics and select instructions.
llvm-svn: 295543
Diffstat (limited to 'llvm/lib/IR/AutoUpgrade.cpp')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index ee96c92..a2c4cc4 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -158,6 +158,14 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { Name == "avx512.mask.sub.pd.256" || // Added in 4.0 Name == "avx512.mask.sub.ps.128" || // Added in 4.0 Name == "avx512.mask.sub.ps.256" || // Added in 4.0 + Name == "avx512.mask.max.pd.128" || // Added in 4.1 + Name == "avx512.mask.max.pd.256" || // Added in 4.1 + Name == "avx512.mask.max.ps.128" || // Added in 4.1 + Name == "avx512.mask.max.ps.256" || // Added in 4.1 + Name == "avx512.mask.min.pd.128" || // Added in 4.1 + Name == "avx512.mask.min.pd.256" || // Added in 4.1 + Name == "avx512.mask.min.ps.128" || // Added in 4.1 + Name == "avx512.mask.min.ps.256" || // Added in 4.1 Name.startswith("avx512.mask.vpermilvar.") || // Added in 4.0 Name.startswith("avx512.mask.psll.d") || // Added in 4.0 Name.startswith("avx512.mask.psll.q") || // Added in 4.0 @@ -1520,6 +1528,36 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { Rep = Builder.CreateFSub(CI->getArgOperand(0), CI->getArgOperand(1)); Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, CI->getArgOperand(2)); + } else if (IsX86 && (Name.startswith("avx512.mask.max.p") || + Name.startswith("avx512.mask.min.p"))) { + bool IsMin = Name[13] == 'i'; + VectorType *VecTy = cast<VectorType>(CI->getType()); + unsigned VecWidth = VecTy->getPrimitiveSizeInBits(); + unsigned EltWidth = VecTy->getScalarSizeInBits(); + Intrinsic::ID IID; + if (!IsMin && VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_sse_max_ps; + else if (!IsMin && VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_sse2_max_pd; + else if (!IsMin && VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx_max_ps_256; + else if (!IsMin && VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx_max_pd_256; + else if (IsMin && VecWidth == 128 && EltWidth == 32) + IID = Intrinsic::x86_sse_min_ps; + else if (IsMin && VecWidth == 128 && EltWidth == 64) + IID = Intrinsic::x86_sse2_min_pd; + else if (IsMin && VecWidth == 256 && EltWidth == 32) + IID = Intrinsic::x86_avx_min_ps_256; + else if (IsMin && VecWidth == 256 && EltWidth == 64) + IID = Intrinsic::x86_avx_min_pd_256; + else + llvm_unreachable("Unexpected intrinsic"); + + Rep = Builder.CreateCall(Intrinsic::getDeclaration(F->getParent(), IID), + { CI->getArgOperand(0), CI->getArgOperand(1) }); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); } else if (IsX86 && Name.startswith("avx512.mask.pshuf.b.")) { VectorType *VecTy = cast<VectorType>(CI->getType()); Intrinsic::ID IID; |