|  | ; RUN: llc < %s -march=x86-64 | FileCheck %s --check-prefix=CHECK-64 | 
|  | ; RUN: llc < %s -march=x86-64 -o /dev/null -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 | 
|  | } |