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| author | dim <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-05-03 16:50:55 +0000 |
| commit | 2c5e9d71aba3b1a85f07c08d2c09d40b8547264b (patch) | |
| tree | 8575c732129e272992ac5d7b4c2519238fff4735 /lib/VMCore/AutoUpgrade.cpp | |
| parent | 1fc08f5e9ef733ef1ce6f363fecedc2260e78974 (diff) | |
| download | FreeBSD-src-2c5e9d71aba3b1a85f07c08d2c09d40b8547264b.zip FreeBSD-src-2c5e9d71aba3b1a85f07c08d2c09d40b8547264b.tar.gz | |
Vendor import of llvm release_31 branch r155985:
http://llvm.org/svn/llvm-project/llvm/branches/release_31@155985
Diffstat (limited to 'lib/VMCore/AutoUpgrade.cpp')
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index ea3d4ba..2e16372 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -18,9 +18,6 @@ #include "llvm/LLVMContext.h" #include "llvm/Module.h" #include "llvm/IntrinsicInst.h" -#include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/SmallPtrSet.h" -#include "llvm/ADT/SmallVector.h" #include "llvm/Support/CallSite.h" #include "llvm/Support/CFG.h" #include "llvm/Support/ErrorHandling.h" @@ -59,7 +56,8 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) { if (Name.startswith("x86.sse2.pcmpeq.") || Name.startswith("x86.sse2.pcmpgt.") || Name.startswith("x86.avx2.pcmpeq.") || - Name.startswith("x86.avx2.pcmpgt.")) { + Name.startswith("x86.avx2.pcmpgt.") || + Name.startswith("x86.avx.vpermil.")) { NewFn = 0; return true; } @@ -121,7 +119,42 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { // need to sign extend since icmp returns vector of i1 Rep = Builder.CreateSExt(Rep, CI->getType(), ""); } else { - llvm_unreachable("Unknown function for CallInst upgrade."); + bool PD128 = false, PD256 = false, PS128 = false, PS256 = false; + if (Name.startswith("llvm.x86.avx.vpermil.pd.256")) + PD256 = true; + else if (Name.startswith("llvm.x86.avx.vpermil.pd")) + PD128 = true; + else if (Name.startswith("llvm.x86.avx.vpermil.ps.256")) + PS256 = true; + else if (Name.startswith("llvm.x86.avx.vpermil.ps")) + PS128 = true; + + if (PD256 || PD128 || PS256 || PS128) { + Value *Op0 = CI->getArgOperand(0); + unsigned Imm = cast<ConstantInt>(CI->getArgOperand(1))->getZExtValue(); + SmallVector<Constant*, 8> Idxs; + + if (PD128) + for (unsigned i = 0; i != 2; ++i) + Idxs.push_back(Builder.getInt32((Imm >> i) & 0x1)); + else if (PD256) + for (unsigned l = 0; l != 4; l+=2) + for (unsigned i = 0; i != 2; ++i) + Idxs.push_back(Builder.getInt32(((Imm >> (l+i)) & 0x1) + l)); + else if (PS128) + for (unsigned i = 0; i != 4; ++i) + Idxs.push_back(Builder.getInt32((Imm >> (2 * i)) & 0x3)); + else if (PS256) + for (unsigned l = 0; l != 8; l+=4) + for (unsigned i = 0; i != 4; ++i) + Idxs.push_back(Builder.getInt32(((Imm >> (2 * i)) & 0x3) + l)); + else + llvm_unreachable("Unexpected function"); + + Rep = Builder.CreateShuffleVector(Op0, Op0, ConstantVector::get(Idxs)); + } else { + llvm_unreachable("Unknown function for CallInst upgrade."); + } } CI->replaceAllUsesWith(Rep); |
