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llvm-mirror/test/Regression/CodeGen/X86/vec_shuffle-5.ll
Evan Cheng ef2fbe7460 Use movsd to shuffle in the lowest two elements of a v4f32 / v4i32 vector when
movlps cannot be used (e.g. when load from m64 has multiple uses).

llvm-svn: 28089
2006-05-03 20:32:03 +00:00

12 lines
524 B
LLVM

; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | grep movsd | wc -l | grep 1
void %test() {
%tmp1 = load <4 x float>* null
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> < float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 >, <4 x uint> < uint 0, uint 1, uint 6, uint 7 >
%tmp3 = shufflevector <4 x float> %tmp1, <4 x float> zeroinitializer, <4 x uint> < uint 2, uint 3, uint 6, uint 7 >
%tmp4 = add <4 x float> %tmp2, %tmp3
store <4 x float> %tmp4, <4 x float>* null
ret void
}