File: zero-remat.ll

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llvm-toolchain-17 1%3A17.0.6-22
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; REQUIRES: asserts
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=CHECK-64
; RUN: llc < %s -mtriple=x86_64-- -o /dev/null -stats  -info-output-file - | grep asm-printer  | grep 12
; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=CHECK-32

declare void @bar(double %x)
declare void @barf(float %x)

define double @foo() nounwind {

  call void @bar(double 0.0)
  ret double 0.0

;CHECK-32-LABEL: foo:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret

;CHECK-64-LABEL: foo:
;CHECK-64: xorps
;CHECK-64: call
;CHECK-64: xorps
;CHECK-64: ret
}


define float @foof() nounwind {
  call void @barf(float 0.0)
  ret float 0.0

;CHECK-32-LABEL: foof:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret

;CHECK-64-LABEL: foof:
;CHECK-64: xorps
;CHECK-64: call
;CHECK-64: xorps
;CHECK-64: ret
}