; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -O3 -mtriple=x86_64-pc-linux < %s | FileCheck %s --check-prefixes=COMMON,NOFMA ; RUN: llc -O3 -mtriple=x86_64-pc-linux -mattr=+fma < %s | FileCheck %s --check-prefixes=COMMON,FMA ; RUN: llc -O3 -mtriple=x86_64-pc-linux -mattr=+avx512f < %s | FileCheck %s --check-prefixes=COMMON,FMA ; Verify that fma(3.5) isn't simplified when the rounding mode is ; unknown. define float @f17() #0 { ; NOFMA-LABEL: f17: ; NOFMA: # %bb.0: # %entry ; NOFMA-NEXT: pushq %rax ; NOFMA-NEXT: .cfi_def_cfa_offset 16 ; NOFMA-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; NOFMA-NEXT: movaps %xmm0, %xmm1 ; NOFMA-NEXT: movaps %xmm0, %xmm2 ; NOFMA-NEXT: callq fmaf ; NOFMA-NEXT: popq %rax ; NOFMA-NEXT: .cfi_def_cfa_offset 8 ; NOFMA-NEXT: retq ; ; FMA-LABEL: f17: ; FMA: # %bb.0: # %entry ; FMA-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; FMA-NEXT: vfmadd213ss {{.*#+}} xmm0 = (xmm0 * xmm0) + xmm0 ; FMA-NEXT: retq entry: %result = call float @llvm.experimental.constrained.fma.f32( float 3.5, float 3.5, float 3.5, metadata !"round.dynamic", metadata !"fpexcept.strict") #0 ret float %result } ; Verify that fma(42.1) isn't simplified when the rounding mode is ; unknown. define double @f18() #0 { ; NOFMA-LABEL: f18: ; NOFMA: # %bb.0: # %entry ; NOFMA-NEXT: pushq %rax ; NOFMA-NEXT: .cfi_def_cfa_offset 16 ; NOFMA-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero ; NOFMA-NEXT: movaps %xmm0, %xmm1 ; NOFMA-NEXT: movaps %xmm0, %xmm2 ; NOFMA-NEXT: callq fma ; NOFMA-NEXT: popq %rax ; NOFMA-NEXT: .cfi_def_cfa_offset 8 ; NOFMA-NEXT: retq ; ; FMA-LABEL: f18: ; FMA: # %bb.0: # %entry ; FMA-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero ; FMA-NEXT: vfmadd213sd {{.*#+}} xmm0 = (xmm0 * xmm0) + xmm0 ; FMA-NEXT: retq entry: %result = call double @llvm.experimental.constrained.fma.f64( double 42.1, double 42.1, double 42.1, metadata !"round.dynamic", metadata !"fpexcept.strict") #0 ret double %result } attributes #0 = { strictfp } declare float @llvm.experimental.constrained.fma.f32(float, float, float, metadata, metadata) declare double @llvm.experimental.constrained.fma.f64(double, double, double, metadata, metadata)