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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s3 4; Make sure we don't crash because we negated an fma when we didn't have any fma instructions.5 6define float @pr36553(float %a, float %b, float %c) nounwind {7; CHECK-LABEL: pr36553:8; CHECK: ## %bb.0: ## %entry9; CHECK-NEXT: pushq %rax10; CHECK-NEXT: callq _fmaf11; CHECK-NEXT: xorps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm012; CHECK-NEXT: popq %rax13; CHECK-NEXT: retq14entry:15 %0 = tail call float @llvm.fma.f32(float %a, float %b, float %c)16 %sub = fsub float -0.000000e+00, %017 ret float %sub18}19 20declare float @llvm.fma.f32(float, float, float)21