Author: rksimon
Date: Fri Nov 11 08:38:34 2016
New Revision: 286595
URL: http://llvm.org/viewvc/llvm-project?rev=286595&view=rev
Log:
[X86] Merge (near) duplicate scalar non-temporal store code. NFCI.
Modified:
cfe/trunk/lib/CodeGen/CGBuiltin.cpp
Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=286595&r1=286594&r2=286595&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Fri Nov 11 08:38:34 2016
@@ -7514,36 +7514,26 @@ Value *CodeGenFunction::EmitX86BuiltinEx
}
case X86::BI__builtin_ia32_movnti:
- case X86::BI__builtin_ia32_movnti64: {
- llvm::MDNode *Node = llvm::MDNode::get(
- getLLVMContext(), llvm::ConstantAsMetadata::get(Builder.getInt32(1)));
-
- // Convert the type of the pointer to a pointer to the stored type.
- Value *BC = Builder.CreateBitCast(Ops[0],
-
llvm::PointerType::getUnqual(Ops[1]->getType()),
- "cast");
- StoreInst *SI = Builder.CreateDefaultAlignedStore(Ops[1], BC);
- SI->setMetadata(CGM.getModule().getMDKindID("nontemporal"), Node);
-
- // No alignment for scalar intrinsic store.
- SI->setAlignment(1);
- return SI;
- }
+ case X86::BI__builtin_ia32_movnti64:
case X86::BI__builtin_ia32_movntsd:
case X86::BI__builtin_ia32_movntss: {
llvm::MDNode *Node = llvm::MDNode::get(
getLLVMContext(), llvm::ConstantAsMetadata::get(Builder.getInt32(1)));
+ Value *Ptr = Ops[0];
+ Value *Src = Ops[1];
+
// Extract the 0'th element of the source vector.
- Value *Scl = Builder.CreateExtractElement(Ops[1], (uint64_t)0, "extract");
+ if (BuiltinID == X86::BI__builtin_ia32_movntsd ||
+ BuiltinID == X86::BI__builtin_ia32_movntss)
+ Src = Builder.CreateExtractElement(Src, (uint64_t)0, "extract");
// Convert the type of the pointer to a pointer to the stored type.
- Value *BC = Builder.CreateBitCast(Ops[0],
- llvm::PointerType::getUnqual(Scl->getType()),
- "cast");
+ Value *BC = Builder.CreateBitCast(
+ Ptr, llvm::PointerType::getUnqual(Src->getType()), "cast");
// Unaligned nontemporal store of the scalar value.
- StoreInst *SI = Builder.CreateDefaultAlignedStore(Scl, BC);
+ StoreInst *SI = Builder.CreateDefaultAlignedStore(Src, BC);
SI->setMetadata(CGM.getModule().getMDKindID("nontemporal"), Node);
SI->setAlignment(1);
return SI;
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