llvm-project/llvm/test/CodeGen/X86/peep-vector-extract-insert.ll

13 lines
445 B
LLVM

; RUN: llvm-as < %s | llc -march=x86-64 | grep {pxor %xmm0, %xmm0} | count 2
define float @foo(<4 x float> %a) {
%b = insertelement <4 x float> %a, float 0.0, i32 3
%c = extractelement <4 x float> %b, i32 3
ret float %c
}
define float @bar(float %a) {
%b = insertelement <4 x float> <float 0x400B333340000000, float 4.5, float 0.0, float 0x4022666660000000>, float %a, i32 3
%c = extractelement <4 x float> %b, i32 2
ret float %c
}