| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -O3 -mtriple=x86_64-gnu-linux < %s | FileCheck %s |
| |
| define x86_fp80 @constrained_fpext_f32_as_fp80(float %mem) #0 { |
| ; CHECK-LABEL: constrained_fpext_f32_as_fp80: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movss %xmm0, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: flds -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: retq |
| entry: |
| %ext = call x86_fp80 @llvm.experimental.constrained.fpext.f80.f32( |
| float %mem, |
| metadata !"fpexcept.strict") #0 |
| ret x86_fp80 %ext |
| } |
| |
| define float @constrained_fptrunc_f80_to_f32(x86_fp80 %reg) #0 { |
| ; CHECK-LABEL: constrained_fptrunc_f80_to_f32: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstps -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero |
| ; CHECK-NEXT: retq |
| %trunc = call float @llvm.experimental.constrained.fptrunc.f32.f80( |
| x86_fp80 %reg, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret float %trunc |
| } |
| |
| define x86_fp80 @constrained_fpext_f64_to_f80(double %mem) #0 { |
| ; CHECK-LABEL: constrained_fpext_f64_to_f80: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movsd %xmm0, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fldl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: retq |
| entry: |
| %ext = call x86_fp80 @llvm.experimental.constrained.fpext.f80.f64( |
| double %mem, |
| metadata !"fpexcept.strict") #0 |
| ret x86_fp80 %ext |
| } |
| |
| define double @constrained_fptrunc_f80_to_f64(x86_fp80 %reg) #0 { |
| ; CHECK-LABEL: constrained_fptrunc_f80_to_f64: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: fstpl -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; CHECK-NEXT: retq |
| %trunc = call double @llvm.experimental.constrained.fptrunc.f64.f80( |
| x86_fp80 %reg, |
| metadata !"round.dynamic", |
| metadata !"fpexcept.strict") #0 |
| ret double %trunc |
| } |
| |
| attributes #0 = { strictfp } |
| |
| declare x86_fp80 @llvm.experimental.constrained.fpext.f80.f32(float, metadata) |
| declare x86_fp80 @llvm.experimental.constrained.fpext.f80.f64(double, metadata) |
| declare float @llvm.experimental.constrained.fptrunc.f32.f80(x86_fp80, metadata, metadata) |
| declare double @llvm.experimental.constrained.fptrunc.f64.f80(x86_fp80, metadata, metadata) |
