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llvm-mirror/test/CodeGen/X86/commute-intrinsic.ll
Evan Cheng d27948e716 - Add "Commutative" property to intrinsics. This allows tblgen to generate the commuted variants for dagisel matching code.
- Mark lots of X86 intrinsics as "Commutative" to allow load folding.

llvm-svn: 52353
2008-06-16 20:29:38 +00:00

16 lines
741 B
LLVM

; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin -mattr=+sse2 -relocation-model=static | not grep movaps
@a = external global <2 x i64> ; <<2 x i64>*> [#uses=1]
define <2 x i64> @madd(<2 x i64> %b) nounwind {
entry:
%tmp2 = load <2 x i64>* @a, align 16 ; <<2 x i64>> [#uses=1]
%tmp6 = bitcast <2 x i64> %b to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp9 = bitcast <2 x i64> %tmp2 to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp11 = tail call <4 x i32> @llvm.x86.sse2.pmadd.wd( <8 x i16> %tmp9, <8 x i16> %tmp6 ) nounwind readnone ; <<4 x i32>> [#uses=1]
%tmp14 = bitcast <4 x i32> %tmp11 to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp14
}
declare <4 x i32> @llvm.x86.sse2.pmadd.wd(<8 x i16>, <8 x i16>) nounwind readnone