diff options
| author | Jina Nahias <jina.nahias@intel.com> | 2017-12-05 15:42:56 +0000 |
|---|---|---|
| committer | Jina Nahias <jina.nahias@intel.com> | 2017-12-05 15:42:56 +0000 |
| commit | 03b74e4166fa8ee509d46f542734f08c3c0dd72a (patch) | |
| tree | 8eaf6bc9f6133b65220d9be0b9e1ab599730b6b9 /lib/IR | |
| parent | 263cd359c3d2db7ad8a5a4fc99203f8c71020458 (diff) | |
[x86][AVX512] Lowering kunpack intrinsics to LLVM IR
This patch, together with a matching clang patch (https://reviews.llvm.org/D39719), implements the lowering of X86 kunpack intrinsics to IR.
Differential Revision: https://reviews.llvm.org/D39720
Change-Id: I4088d9428478f9457f6afddc90bd3d66b3daf0a1
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@319778 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR')
| -rw-r--r-- | lib/IR/AutoUpgrade.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp index afbe4eb9543..76af9a16f0c 100644 --- a/lib/IR/AutoUpgrade.cpp +++ b/lib/IR/AutoUpgrade.cpp @@ -78,6 +78,7 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { Name=="ssse3.pabs.d.128" || // Added in 6.0 Name.startswith("avx512.mask.shuf.i") || // Added in 6.0 Name.startswith("avx512.mask.shuf.f") || // Added in 6.0 + Name.startswith("avx512.kunpck") || //added in 6.0 Name.startswith("avx2.pabs.") || // Added in 6.0 Name.startswith("avx512.mask.pabs.") || // Added in 6.0 Name.startswith("avx512.broadcastm") || // Added in 6.0 @@ -1065,6 +1066,12 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { Rep = Builder.CreateVectorSplat(NumElts, CI->getArgOperand(0)); Rep = EmitX86Select(Builder, CI->getArgOperand(2), Rep, CI->getArgOperand(1)); + } else if (IsX86 && (Name.startswith("avx512.kunpck"))) { + uint64_t Shift = CI->getType()->getScalarSizeInBits() / 2; + uint64_t And = (1 << Shift) - 1; + Value* LowBits = Builder.CreateAnd(CI->getArgOperand(0), And); + Value* HighBits = Builder.CreateShl(CI->getArgOperand(1), Shift); + Rep = Builder.CreateOr(LowBits, HighBits); } else if (IsX86 && (Name == "sse.add.ss" || Name == "sse2.add.sd")) { Type *I32Ty = Type::getInt32Ty(C); Value *Elt0 = Builder.CreateExtractElement(CI->getArgOperand(0), |