diff options
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-04-14 15:05:35 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-04-14 15:05:35 +0000 |
| commit | 99a634fdf114194b269b2b25e72eb2e1e6835bef (patch) | |
| tree | 24f61bd0b34e6558989e0cdaf3ce804e5fb013f4 /lib/IR/AutoUpgrade.cpp | |
| parent | 693dd9f10c91375b222b5127d86fdc765af1c47f (diff) | |
[X86][SSE] Update MOVNTDQA non-temporal loads to generic implementation (LLVM)
MOVNTDQA non-temporal aligned vector loads can be correctly represented using generic builtin loads, allowing us to remove the existing x86 intrinsics.
Clang companion patch: D31766.
Differential Revision: https://reviews.llvm.org/D31767
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300325 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/AutoUpgrade.cpp')
| -rw-r--r-- | lib/IR/AutoUpgrade.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp index 0262e2cc05e..2897434a2b8 100644 --- a/lib/IR/AutoUpgrade.cpp +++ b/lib/IR/AutoUpgrade.cpp @@ -202,6 +202,9 @@ static bool ShouldUpgradeX86Intrinsic(Function *F, StringRef Name) { Name.startswith("sse4a.movnt.") || // Added in 3.9 Name.startswith("avx.movnt.") || // Added in 3.2 Name.startswith("avx512.storent.") || // Added in 3.9 + Name == "sse41.movntdqa" || // Added in 5.0 + Name == "avx2.movntdqa" || // Added in 5.0 + Name == "avx512.movntdqa" || // Added in 5.0 Name == "sse2.storel.dq" || // Added in 3.9 Name.startswith("sse.storeu.") || // Added in 3.9 Name.startswith("sse2.storeu.") || // Added in 3.9 @@ -1875,6 +1878,20 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) { { CI->getArgOperand(0), CI->getArgOperand(1) }); Rep = EmitX86Select(Builder, CI->getArgOperand(3), Rep, CI->getArgOperand(2)); + } else if (IsX86 && Name.endswith(".movntdqa")) { + Module *M = F->getParent(); + MDNode *Node = MDNode::get( + C, ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(C), 1))); + + Value *Ptr = CI->getArgOperand(0); + VectorType *VTy = cast<VectorType>(CI->getType()); + + // Convert the type of the pointer to a pointer to the stored type. + Value *BC = + Builder.CreateBitCast(Ptr, PointerType::getUnqual(VTy), "cast"); + LoadInst *LI = Builder.CreateAlignedLoad(BC, VTy->getBitWidth() / 8); + LI->setMetadata(M->getMDKindID("nontemporal"), Node); + Rep = LI; } else if (IsNVVM && (Name == "abs.i" || Name == "abs.ll")) { Value *Arg = CI->getArgOperand(0); Value *Neg = Builder.CreateNeg(Arg, "neg"); |