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| author | Craig Topper <craig.topper@gmail.com> | 2016-12-10 21:15:52 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2016-12-10 21:15:52 +0000 |
| commit | abe7c5b5e949649b49fa89fff78864ff6a489e0a (patch) | |
| tree | 9aed0c39652e68bece19e9c057ba71b2704d1223 /llvm/lib/IR | |
| parent | a4744d170e0b157855e9959a5febc0cad8874fba (diff) | |
| download | bcm5719-llvm-abe7c5b5e949649b49fa89fff78864ff6a489e0a.tar.gz bcm5719-llvm-abe7c5b5e949649b49fa89fff78864ff6a489e0a.zip | |
[AVX-512] Remove 128/256 masked vpermil instrinsics and autoupgrade to a select around the unmasked avx1 intrinsics.
llvm-svn: 289340
Diffstat (limited to 'llvm/lib/IR')
| -rw-r--r-- | llvm/lib/IR/AutoUpgrade.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp index 86dc59f13b4..fe7ba8b1607 100644 --- a/llvm/lib/IR/AutoUpgrade.cpp +++ b/llvm/lib/IR/AutoUpgrade.cpp @@ -313,6 +313,10 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { 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.vpermilvar.ps.128" || // Added in 4.0 + Name == "avx512.mask.vpermilvar.ps.256" || // Added in 4.0 + Name == "avx512.mask.vpermilvar.pd.128" || // Added in 4.0 + Name == "avx512.mask.vpermilvar.pd.256" || // Added in 4.0 Name.startswith("avx512.mask.psll.d") || // Added in 4.0 Name.startswith("avx512.mask.psll.q") || // Added in 4.0 Name.startswith("avx512.mask.psll.w") || // Added in 4.0 @@ -1658,6 +1662,24 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { Rep = UpgradeX86MaskedShift(Builder, *CI, IID); } else if (IsX86 && Name.startswith("avx512.mask.move.s")) { Rep = upgradeMaskedMove(Builder, *CI); + } else if (IsX86 && Name.startswith("avx512.mask.vpermilvar.")) { + Intrinsic::ID IID; + if (Name.endswith("ps.128")) + IID = Intrinsic::x86_avx_vpermilvar_ps; + else if (Name.endswith("pd.128")) + IID = Intrinsic::x86_avx_vpermilvar_pd; + else if (Name.endswith("ps.256")) + IID = Intrinsic::x86_avx_vpermilvar_ps_256; + else if (Name.endswith("pd.256")) + IID = Intrinsic::x86_avx_vpermilvar_pd_256; + else + llvm_unreachable("Unexpected vpermilvar intrinsic"); + + Function *Intrin = Intrinsic::getDeclaration(F->getParent(), IID); + Rep = Builder.CreateCall(Intrin, + { CI->getArgOperand(0), CI->getArgOperand(1) }); + Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, + CI->getArgOperand(2)); } else { llvm_unreachable("Unknown function for CallInst upgrade."); } |
