llvm/test/CodeGen/X86/swizzle.ll
2009-09-08 23:54:48 +00:00

20 lines
960 B
LLVM

; RUN: llc < %s -march=x86 -mattr=+sse2 | grep movlps
; RUN: llc < %s -march=x86 -mattr=+sse2 | grep movsd
; RUN: llc < %s -march=x86 -mattr=+sse2 | not grep movups
; rdar://6523650
%struct.vector4_t = type { <4 x float> }
define void @swizzle(i8* nocapture %a, %struct.vector4_t* nocapture %b, %struct.vector4_t* nocapture %c) nounwind {
entry:
%0 = getelementptr %struct.vector4_t* %b, i32 0, i32 0 ; <<4 x float>*> [#uses=2]
%1 = load <4 x float>* %0, align 4 ; <<4 x float>> [#uses=1]
%tmp.i = bitcast i8* %a to double* ; <double*> [#uses=1]
%tmp1.i = load double* %tmp.i ; <double> [#uses=1]
%2 = insertelement <2 x double> undef, double %tmp1.i, i32 0 ; <<2 x double>> [#uses=1]
%tmp2.i = bitcast <2 x double> %2 to <4 x float> ; <<4 x float>> [#uses=1]
%3 = shufflevector <4 x float> %1, <4 x float> %tmp2.i, <4 x i32> < i32 4, i32 5, i32 2, i32 3 > ; <<4 x float>> [#uses=1]
store <4 x float> %3, <4 x float>* %0, align 4
ret void
}