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TheRock/compiler/amd-llvm/llvm/test/CodeGen/X86/ldexp-libcall.ll
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derek.holloway 7502bf64a4
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76 lines
2.4 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
; RUN: llc < %s -mtriple=i386-pc-win32 | FileCheck %s -check-prefix=CHECK-WIN
define float @call_ldexpf(float %a, i32 %b) nounwind {
; CHECK-LABEL: call_ldexpf:
; CHECK: # %bb.0:
; CHECK-NEXT: jmp ldexpf@PLT # TAILCALL
;
; CHECK-WIN-LABEL: call_ldexpf:
; CHECK-WIN: # %bb.0:
; CHECK-WIN-NEXT: subl $8, %esp
; CHECK-WIN-NEXT: flds {{[0-9]+}}(%esp)
; CHECK-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-WIN-NEXT: movl %eax, {{[0-9]+}}(%esp)
; CHECK-WIN-NEXT: fstps (%esp)
; CHECK-WIN-NEXT: calll _ldexpf
; CHECK-WIN-NEXT: addl $8, %esp
; CHECK-WIN-NEXT: retl
%result = call float @ldexpf(float %a, i32 %b)
ret float %result
}
define double @call_ldexp(double %a, i32 %b) nounwind {
; CHECK-LABEL: call_ldexp:
; CHECK: # %bb.0:
; CHECK-NEXT: jmp ldexp@PLT # TAILCALL
;
; CHECK-WIN-LABEL: call_ldexp:
; CHECK-WIN: # %bb.0:
; CHECK-WIN-NEXT: subl $12, %esp
; CHECK-WIN-NEXT: fldl {{[0-9]+}}(%esp)
; CHECK-WIN-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-WIN-NEXT: movl %eax, {{[0-9]+}}(%esp)
; CHECK-WIN-NEXT: fstpl (%esp)
; CHECK-WIN-NEXT: calll _ldexp
; CHECK-WIN-NEXT: addl $12, %esp
; CHECK-WIN-NEXT: retl
%result = call double @ldexp(double %a, i32 %b)
ret double %result
}
define x86_fp80 @call_ldexpl(x86_fp80 %a, i32 %b) nounwind {
; CHECK-LABEL: call_ldexpl:
; CHECK: # %bb.0:
; CHECK-NEXT: subq $24, %rsp
; CHECK-NEXT: fldt {{[0-9]+}}(%rsp)
; CHECK-NEXT: fstpt (%rsp)
; CHECK-NEXT: callq ldexpl@PLT
; CHECK-NEXT: addq $24, %rsp
; CHECK-NEXT: retq
;
; CHECK-WIN-LABEL: call_ldexpl:
; CHECK-WIN: # %bb.0:
; CHECK-WIN-NEXT: pushl %ebp
; CHECK-WIN-NEXT: movl %esp, %ebp
; CHECK-WIN-NEXT: andl $-16, %esp
; CHECK-WIN-NEXT: subl $48, %esp
; CHECK-WIN-NEXT: fldt 8(%ebp)
; CHECK-WIN-NEXT: movl 24(%ebp), %eax
; CHECK-WIN-NEXT: movl %eax, {{[0-9]+}}(%esp)
; CHECK-WIN-NEXT: fstpt (%esp)
; CHECK-WIN-NEXT: calll _ldexpl
; CHECK-WIN-NEXT: movl %ebp, %esp
; CHECK-WIN-NEXT: popl %ebp
; CHECK-WIN-NEXT: retl
%result = call x86_fp80 @ldexpl(x86_fp80 %a, i32 %b)
ret x86_fp80 %result
}
declare float @ldexpf(float %a, i32 %b) #0
declare double @ldexp(double %a, i32 %b) #0
declare x86_fp80 @ldexpl(x86_fp80 %a, i32 %b) #0
attributes #0 = { nounwind readonly }