; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -verify-machineinstrs -mtriple=powerpc64le-linux-gnu | FileCheck %s define float @can_fma_with_fewer_uses(float %f1, float %f2, float %f3, float %f4) { ; CHECK-LABEL: can_fma_with_fewer_uses: ; CHECK: # %bb.0: ; CHECK-NEXT: xsmulsp 0, 1, 2 ; CHECK-NEXT: fmr 1, 0 ; CHECK-NEXT: xsmaddasp 1, 3, 4 ; CHECK-NEXT: xsdivsp 1, 0, 1 ; CHECK-NEXT: blr %mul1 = fmul contract float %f1, %f2 %mul2 = fmul contract float %f3, %f4 %add = fadd contract float %mul1, %mul2 %second_use_of_mul1 = fdiv float %mul1, %add ret float %second_use_of_mul1 } ; There is no contract on the mul with no extra use so we can't fuse that. ; Since we are fusing with the mul with an extra use, the fmul needs to stick ; around beside the fma. define float @no_fma_with_fewer_uses(float %f1, float %f2, float %f3, float %f4) { ; CHECK-LABEL: no_fma_with_fewer_uses: ; CHECK: # %bb.0: ; CHECK-NEXT: xsmulsp 0, 3, 4 ; CHECK-NEXT: xsmulsp 3, 1, 2 ; CHECK-NEXT: xsmaddasp 0, 1, 2 ; CHECK-NEXT: xsdivsp 1, 3, 0 ; CHECK-NEXT: blr %mul1 = fmul contract float %f1, %f2 %mul2 = fmul float %f3, %f4 %add = fadd contract float %mul1, %mul2 %second_use_of_mul1 = fdiv float %mul1, %add ret float %second_use_of_mul1 }