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; 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=1 | FileCheck %s --check-prefixes=GISEL-X64
; RUN: llc < %s -mtriple=i686-linux-gnu -global-isel -global-isel-abort=1 | FileCheck %s --check-prefixes=GISEL-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: pushq %rax
; GISEL-X64-NEXT: callq truncf
; GISEL-X64-NEXT: popq %rax
; GISEL-X64-NEXT: retq
;
; GISEL-X86-LABEL: trunc_f32:
; GISEL-X86: # %bb.0:
; GISEL-X86-NEXT: subl $12, %esp
; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %eax
; GISEL-X86-NEXT: movl %eax, (%esp)
; GISEL-X86-NEXT: calll truncf
; GISEL-X86-NEXT: addl $12, %esp
; GISEL-X86-NEXT: retl
%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: pushq %rax
; GISEL-X64-NEXT: callq trunc
; GISEL-X64-NEXT: popq %rax
; GISEL-X64-NEXT: retq
;
; GISEL-X86-LABEL: trunc_f64:
; GISEL-X86: # %bb.0:
; GISEL-X86-NEXT: subl $12, %esp
; GISEL-X86-NEXT: leal {{[0-9]+}}(%esp), %eax
; GISEL-X86-NEXT: movl {{[0-9]+}}(%esp), %ecx
; GISEL-X86-NEXT: movl 4(%eax), %eax
; GISEL-X86-NEXT: xorl %edx, %edx
; GISEL-X86-NEXT: addl %esp, %edx
; GISEL-X86-NEXT: movl %ecx, (%esp)
; GISEL-X86-NEXT: movl %eax, 4(%edx)
; GISEL-X86-NEXT: calll trunc
; GISEL-X86-NEXT: addl $12, %esp
; GISEL-X86-NEXT: retl
%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
; GISEL-X64-NEXT: addq $24, %rsp
; GISEL-X64-NEXT: retq
;
; GISEL-X86-LABEL: trunc_f80:
; GISEL-X86: # %bb.0:
; GISEL-X86-NEXT: subl $12, %esp
; GISEL-X86-NEXT: fldt {{[0-9]+}}(%esp)
; GISEL-X86-NEXT: fstpt (%esp)
; GISEL-X86-NEXT: calll truncl
; GISEL-X86-NEXT: addl $12, %esp
; GISEL-X86-NEXT: retl
%c = call x86_fp80 @llvm.trunc.f80(x86_fp80 %a)
ret x86_fp80 %c
}
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