File: fabs-libcall.ll

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llvm-toolchain-5.0 1:5.0.1-2~bpo9+1
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; RUN: opt -S -mtriple=i686-apple-macosx -instcombine %s | FileCheck %s

declare x86_fp80 @fabsl(x86_fp80)

; CHECK-LABEL: @replace_fabs_call_f80(
; CHECK-NEXT: %fabsl = call x86_fp80 @llvm.fabs.f80(x86_fp80 %x)
; CHECK-NEXT: ret x86_fp80 %fabsl
define x86_fp80 @replace_fabs_call_f80(x86_fp80 %x) {
  %fabsl = tail call x86_fp80 @fabsl(x86_fp80 %x)
  ret x86_fp80 %fabsl

}

; CHECK-LABEL: @fmf_replace_fabs_call_f80(
; CHECK-NEXT: %fabsl = call nnan x86_fp80 @llvm.fabs.f80(x86_fp80 %x)
; CHECK-NEXT: ret x86_fp80 %fabsl
define x86_fp80 @fmf_replace_fabs_call_f80(x86_fp80 %x) {
  %fabsl = tail call nnan x86_fp80 @fabsl(x86_fp80 %x)
  ret x86_fp80 %fabsl
}