intersect-fma-fmf.ll
793 Bytes
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i686-unknown-unknown -mattr=+avx512f < %s | FileCheck %s
define float @test_x86_fma_intersection_fmf(float %a, float %b) nounwind {
; CHECK-LABEL: test_x86_fma_intersection_fmf:
; CHECK: # %bb.0:
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfmadd132ss {{.*#+}} xmm0 = (xmm0 * mem) + xmm0
; CHECK-NEXT: vmovss %xmm0, (%esp)
; CHECK-NEXT: flds (%esp)
; CHECK-NEXT: popl %eax
; CHECK-NEXT: retl
%tmp8 = fmul fast float %a, %b
%tmp9 = fadd fast float %tmp8, %b
%tmp10 = insertelement <4 x float> undef, float %tmp9, i32 1
%tmp11 = extractelement <4 x float> %tmp10, i32 1
ret float %tmp11
}