| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s |
| |
| declare double @llvm.experimental.constrained.fma.f64(double %f1, double %f2, double %f3, metadata, metadata) |
| declare float @llvm.experimental.constrained.fma.f32(float %f1, float %f2, float %f3, metadata, metadata) |
| |
| define double @f1(double %f1, double %f2, double %acc) #0 { |
| ; CHECK-LABEL: f1: |
| ; CHECK: wfnmadb %f0, %f0, %f2, %f4 |
| ; CHECK: br %r14 |
| %res = call double @llvm.experimental.constrained.fma.f64 ( |
| double %f1, double %f2, double %acc, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %negres = fneg double %res |
| ret double %negres |
| } |
| |
| define double @f2(double %f1, double %f2, double %acc) #0 { |
| ; CHECK-LABEL: f2: |
| ; CHECK: wfnmsdb %f0, %f0, %f2, %f4 |
| ; CHECK: br %r14 |
| %negacc = fneg double %acc |
| %res = call double @llvm.experimental.constrained.fma.f64 ( |
| double %f1, double %f2, double %negacc, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %negres = fneg double %res |
| ret double %negres |
| } |
| |
| define float @f3(float %f1, float %f2, float %acc) #0 { |
| ; CHECK-LABEL: f3: |
| ; CHECK: wfnmasb %f0, %f0, %f2, %f4 |
| ; CHECK: br %r14 |
| %res = call float @llvm.experimental.constrained.fma.f32 ( |
| float %f1, float %f2, float %acc, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %negres = fneg float %res |
| ret float %negres |
| } |
| |
| define float @f4(float %f1, float %f2, float %acc) #0 { |
| ; CHECK-LABEL: f4: |
| ; CHECK: wfnmssb %f0, %f0, %f2, %f4 |
| ; CHECK: br %r14 |
| %negacc = fneg float %acc |
| %res = call float @llvm.experimental.constrained.fma.f32 ( |
| float %f1, float %f2, float %negacc, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| %negres = fneg float %res |
| ret float %negres |
| } |
| |
| attributes #0 = { strictfp } |