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