; 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 }