llvm-6502/test/CodeGen/X86/zero-remat.ll

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; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64
; RUN: llc < %s -march=x86-64 -stats -info-output-file - | grep asm-printer | grep 12
; RUN: llc < %s -march=x86 | 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: foo:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret
;CHECK-64: foo:
;CHECK-64: pxor
;CHECK-64: call
;CHECK-64: pxor
;CHECK-64: ret
}
define float @foof() nounwind {
call void @barf(float 0.0)
ret float 0.0
;CHECK-32: foof:
;CHECK-32: call
;CHECK-32: fldz
;CHECK-32: ret
;CHECK-64: foof:
;CHECK-64: pxor
;CHECK-64: call
;CHECK-64: pxor
;CHECK-64: ret
}