| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| |
| define float @fneg_strict_fadd_to_strict_fsub(float %x, float %y) { |
| ; CHECK: subss %{{.*}}, %{{.*}} |
| ; CHECK-NEXT: retq |
| %neg = fneg float %y |
| %add = call float @llvm.experimental.constrained.fadd.f32(float %x, float %neg, metadata!"round.dynamic", metadata!"fpexcept.strict") |
| ret float %add |
| } |
| |
| define float @fneg_strict_fadd_to_strict_fsub_2(float %x, float %y) { |
| ; CHECK: subss %{{.*}}, %{{.*}} |
| ; CHECK-NEXT: retq |
| %neg = fneg float %y |
| %add = call float @llvm.experimental.constrained.fadd.f32(float %neg, float %x, metadata!"round.dynamic", metadata!"fpexcept.strict") |
| ret float %add |
| } |
| |
| define double @fneg_strict_fadd_to_strict_fsub_d(double %x, double %y) { |
| ; CHECK: subsd %{{.*}}, %{{.*}} |
| ; CHECK-NEXT: retq |
| %neg = fneg double %y |
| %add = call double @llvm.experimental.constrained.fadd.f64(double %x, double %neg, metadata!"round.dynamic", metadata!"fpexcept.strict") |
| ret double %add |
| } |
| |
| define double @fneg_strict_fadd_to_strict_fsub_2d(double %x, double %y) { |
| ; CHECK: subsd %{{.*}}, %{{.*}} |
| ; CHECK-NEXT: retq |
| %neg = fneg double %y |
| %add = call double @llvm.experimental.constrained.fadd.f64(double %neg, double %x, metadata!"round.dynamic", metadata!"fpexcept.strict") |
| ret double %add |
| } |
| |
| |
| declare float @llvm.experimental.constrained.fadd.f32(float, float, metadata, metadata) |
| declare double @llvm.experimental.constrained.fadd.f64(double, double, metadata, metadata) |