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[NFC] adding initial intersect test for Node to Instruction association 

llvm-svn: 341138
This commit is contained in:
Michael Berg 2018-08-30 22:43:34 +00:00
parent d51f7b3b43
commit 7b9e86445c
1 changed files with 14 additions and 0 deletions
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14
llvm/test/CodeGen/X86/intersect-fma-fmf.ll Normal file
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; RUN: llc -mtriple=i686-unknown-unknown -mattr=+avx512f < %s | FileCheck %s
define float @test_x86_fma_intersection_fmf(float %a, float %b) {
; CHECK-LABEL: test_x86_fma_intersection_fmf:
; CHECK: # %bb.0:
; CHECK: vmulss {{[0-9]+}}(%esp), %xmm0, %xmm1
; CHECK-NEXT: vaddss %xmm0, %xmm1, %xmm0
; CHECK: 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
}