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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-pc-linux-gnu | FileCheck %s --check-prefix=CHECK --check-prefix=GNU
; RUN: llc < %s -mtriple=x86_64-pc-windows-msvc | FileCheck %s --check-prefix=CHECK --check-prefix=WIN
; PR35672 - https://bugs.llvm.org/show_bug.cgi?id=35672
; FIXME: We would not need the function-level attributes if FMF were propagated to DAG nodes for this case.
define float @exp_f32(float %x) #0 {
; CHECK-LABEL: exp_f32:
; CHECK: # %bb.0:
; CHECK-NEXT: jmp expf # TAILCALL
%exp = tail call nnan ninf float @llvm.exp.f32(float %x)
ret float %exp
}
define double @exp_f64(double %x) #0 {
; CHECK-LABEL: exp_f64:
; CHECK: # %bb.0:
; CHECK-NEXT: jmp exp # TAILCALL
%exp = tail call nnan ninf double @llvm.exp.f64(double %x)
ret double %exp
}
define x86_fp80 @exp_f80(x86_fp80 %x) #0 {
; GNU-LABEL: exp_f80:
; GNU: # %bb.0:
; GNU-NEXT: subq $24, %rsp
; GNU-NEXT: fldt {{[0-9]+}}(%rsp)
; GNU-NEXT: fstpt (%rsp)
; GNU-NEXT: callq expl
; GNU-NEXT: addq $24, %rsp
; GNU-NEXT: retq
;
; WIN-LABEL: exp_f80:
; WIN: # %bb.0:
; WIN-NEXT: subq $56, %rsp
; WIN-NEXT: fldt {{[0-9]+}}(%rsp)
; WIN-NEXT: fstpt {{[0-9]+}}(%rsp)
; WIN-NEXT: callq expl
; WIN-NEXT: addq $56, %rsp
; WIN-NEXT: retq
%exp = tail call nnan ninf x86_fp80 @llvm.exp.f80(x86_fp80 %x)
ret x86_fp80 %exp
}
declare float @llvm.exp.f32(float) #1
declare double @llvm.exp.f64(double) #1
declare x86_fp80 @llvm.exp.f80(x86_fp80) #1
attributes #0 = { nounwind "no-infs-fp-math"="true" "no-nans-fp-math"="true" }
attributes #1 = { nounwind readnone speculatable }
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