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view test/CodeGen/PowerPC/allocate-r0.ll @ 95:afa8332a0e37

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LLVM 3.8
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Tue, 13 Oct 2015 17:48:58 +0900
parents 95c75e76d11b
children 1172e4bd9c6f
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line source

; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g5 | FileCheck %s
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

define i64 @foo(i64 %a) nounwind {
entry:
  call void asm sideeffect "", "~{r3},~{r4},~{r5},~{r6},~{r7},~{r8},~{r9},~{r10},~{r11},~{r12}"() nounwind
  br label %return

; CHECK: @foo
; Because r0 is allocatable, we can use it to hold r3 without spilling.
; CHECK: mr 0, 3
; CHECK: mr 3, 0

return:                                           ; preds = %entry
  ret i64 %a
}