1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s 3 4 ; Make sure we don't crash because we negated an fma when we didn't have any fma instructions. 5 6 define float @pr36553(float %a, float %b, float %c) nounwind { 7 ; CHECK-LABEL: pr36553: 8 ; CHECK: ## %bb.0: ## %entry 9 ; CHECK-NEXT: pushq %rax 10 ; CHECK-NEXT: callq _fmaf 11 ; CHECK-NEXT: xorps {{.*}}(%rip), %xmm0 12 ; CHECK-NEXT: popq %rax 13 ; CHECK-NEXT: retq 14 entry: 15 %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c) 16 %sub = fsub float -0.000000e+00, %0 17 ret float %sub 18 } 19 20 declare float @llvm.fma.f32(float, float, float) 21
