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Convert the unaligned load builtins to the first-class versions.

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llvm-svn: 129420
This commit is contained in:
Bill Wendling 2011-04-13 00:36:37 +00:00
parent b902f1dd88
commit 3137d3cb49
1 changed files with 13 additions and 0 deletions
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13
clang/lib/CodeGen/CGBuiltin.cpp
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@ -2092,6 +2092,19 @@ 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);
Value *BC = Builder.CreateBitCast(Ops[0],
llvm::PointerType::getUnqual(IntTy),
"cast");
LoadInst *LI = Builder.CreateLoad(BC);
LI->setAlignment(1); // Unaligned load.
return Builder.CreateBitCast(LI, VecTy, "loadu.cast");
}
}
}