| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnu | FileCheck %s --check-prefixes=X64,DAG-X64 |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnu -fast-isel | FileCheck %s --check-prefixes=X64,FASTISEL-X64 |
| ; RUN: llc < %s -mtriple=i686-linux-gnu | FileCheck %s --check-prefixes=X86 |
| ; RUN: llc < %s -mtriple=i686-linux-gnu -fast-isel | FileCheck %s --check-prefixes=X86 |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnu -global-isel -global-isel-abort=2 | FileCheck %s --check-prefixes=GISEL-X64 |
| ; RUN: llc < %s -mtriple=i686-linux-gnu -global-isel -global-isel-abort=2 | FileCheck %s --check-prefixes=X86 |
| |
| define float @trunc_f32(float %a) nounwind readnone { |
| ; DAG-X64-LABEL: trunc_f32: |
| ; DAG-X64: # %bb.0: |
| ; DAG-X64-NEXT: jmp truncf@PLT # TAILCALL |
| ; |
| ; FASTISEL-X64-LABEL: trunc_f32: |
| ; FASTISEL-X64: # %bb.0: |
| ; FASTISEL-X64-NEXT: pushq %rax |
| ; FASTISEL-X64-NEXT: callq truncf@PLT |
| ; FASTISEL-X64-NEXT: popq %rax |
| ; FASTISEL-X64-NEXT: retq |
| ; |
| ; X86-LABEL: trunc_f32: |
| ; X86: # %bb.0: |
| ; X86-NEXT: subl $12, %esp |
| ; X86-NEXT: flds {{[0-9]+}}(%esp) |
| ; X86-NEXT: fstps (%esp) |
| ; X86-NEXT: calll truncf |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| ; |
| ; GISEL-X64-LABEL: trunc_f32: |
| ; GISEL-X64: # %bb.0: |
| ; GISEL-X64-NEXT: jmp truncf@PLT # TAILCALL |
| %c = call float @llvm.trunc.f32(float %a) |
| ret float %c |
| } |
| |
| define double @trunc_f64(double %a) nounwind readnone { |
| ; DAG-X64-LABEL: trunc_f64: |
| ; DAG-X64: # %bb.0: |
| ; DAG-X64-NEXT: jmp trunc@PLT # TAILCALL |
| ; |
| ; FASTISEL-X64-LABEL: trunc_f64: |
| ; FASTISEL-X64: # %bb.0: |
| ; FASTISEL-X64-NEXT: pushq %rax |
| ; FASTISEL-X64-NEXT: callq trunc@PLT |
| ; FASTISEL-X64-NEXT: popq %rax |
| ; FASTISEL-X64-NEXT: retq |
| ; |
| ; X86-LABEL: trunc_f64: |
| ; X86: # %bb.0: |
| ; X86-NEXT: subl $12, %esp |
| ; X86-NEXT: fldl {{[0-9]+}}(%esp) |
| ; X86-NEXT: fstpl (%esp) |
| ; X86-NEXT: calll trunc |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| ; |
| ; GISEL-X64-LABEL: trunc_f64: |
| ; GISEL-X64: # %bb.0: |
| ; GISEL-X64-NEXT: jmp trunc@PLT # TAILCALL |
| %c = call double @llvm.trunc.f64(double %a) |
| ret double %c |
| } |
| |
| define x86_fp80 @trunc_f80(x86_fp80 %a) nounwind readnone { |
| ; X64-LABEL: trunc_f80: |
| ; X64: # %bb.0: |
| ; X64-NEXT: subq $24, %rsp |
| ; X64-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; X64-NEXT: fstpt (%rsp) |
| ; X64-NEXT: callq truncl@PLT |
| ; X64-NEXT: addq $24, %rsp |
| ; X64-NEXT: retq |
| ; |
| ; X86-LABEL: trunc_f80: |
| ; X86: # %bb.0: |
| ; X86-NEXT: subl $12, %esp |
| ; X86-NEXT: fldt {{[0-9]+}}(%esp) |
| ; X86-NEXT: fstpt (%esp) |
| ; X86-NEXT: calll truncl |
| ; X86-NEXT: addl $12, %esp |
| ; X86-NEXT: retl |
| ; |
| ; GISEL-X64-LABEL: trunc_f80: |
| ; GISEL-X64: # %bb.0: |
| ; GISEL-X64-NEXT: subq $24, %rsp |
| ; GISEL-X64-NEXT: fldt {{[0-9]+}}(%rsp) |
| ; GISEL-X64-NEXT: fstpt (%rsp) |
| ; GISEL-X64-NEXT: callq truncl@PLT |
| ; GISEL-X64-NEXT: addq $24, %rsp |
| ; GISEL-X64-NEXT: retq |
| %c = call x86_fp80 @llvm.trunc.f80(x86_fp80 %a) |
| ret x86_fp80 %c |
| } |
| |
