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authorBill Wendling <isanbard@gmail.com>2011-05-12 19:02:15 +0000
committerBill Wendling <isanbard@gmail.com>2011-05-12 19:02:15 +0000
commite106c3481784ecfda9cb014cb2cfea5b3d13bbc9 (patch)
treef258b9fd8a6a63d651fe1a1fc52cfcafd0acd20d /clang/lib/CodeGen
parent3f125fe2eaab19eac991fbef562c85896b725e14 (diff)
downloadbcm5719-llvm-e106c3481784ecfda9cb014cb2cfea5b3d13bbc9.tar.gz
bcm5719-llvm-e106c3481784ecfda9cb014cb2cfea5b3d13bbc9.zip
LLVM doesn't always optimize away the four loads from this:
(__m128){ p[0], p[1], p[2], p[3] } which produces really bad code. This could be done in instcombine, but it's probably better to do it in the front-end instead. <rdar://problem/9424836> llvm-svn: 131237
Diffstat (limited to 'clang/lib/CodeGen')
-rw-r--r--clang/lib/CodeGen/CGBuiltin.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 46546177ae5..494dfaeff77 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -2143,6 +2143,8 @@ Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID,
// If palignr is shifting the pair of vectors more than 32 bytes, emit zero.
return llvm::Constant::getNullValue(ConvertType(E->getType()));
}
+ case X86::BI__builtin_ia32_loadups:
+ case X86::BI__builtin_ia32_loadupd:
case X86::BI__builtin_ia32_loaddqu: {
const llvm::Type *VecTy = ConvertType(E->getType());
const llvm::Type *IntTy = llvm::IntegerType::get(getLLVMContext(), 128);
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