| Hal Finkel | 4278767 | 2011-12-02 19:38:17 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -mtriple=powerpc-apple-darwin -mcpu=g4 | FileCheck %s |
| Dale Johannesen | c12da8d | 2010-02-12 21:35:34 +0000 | [diff] [blame] | 2 | ; ModuleID = 'hh.c' |
| 3 | target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128-n32" |
| 4 | target triple = "powerpc-apple-darwin9.6" |
| 5 | ; This formerly used R0 for both the stack address and CR. |
| 6 | |
| 7 | define void @foo() nounwind { |
| 8 | entry: |
| Hal Finkel | fed4d19 | 2011-12-10 04:50:53 +0000 | [diff] [blame] | 9 | ;CHECK: mfcr r2 |
| Hal Finkel | 2e95afa | 2011-12-30 00:34:00 +0000 | [diff] [blame^] | 10 | ;CHECK: lis r3, 1 |
| Hal Finkel | fed4d19 | 2011-12-10 04:50:53 +0000 | [diff] [blame] | 11 | ;CHECK: rlwinm r2, r2, 8, 0, 31 |
| Hal Finkel | 2e95afa | 2011-12-30 00:34:00 +0000 | [diff] [blame^] | 12 | ;CHECK: ori r3, r3, 34524 |
| 13 | ;CHECK: stwx r2, r1, r3 |
| 14 | ; Make sure that the register scavenger returns the same temporary register. |
| 15 | ;CHECK: mfcr r2 |
| 16 | ;CHECK: lis r3, 1 |
| 17 | ;CHECK: rlwinm r2, r2, 12, 0, 31 |
| 18 | ;CHECK: ori r3, r3, 34520 |
| Hal Finkel | fed4d19 | 2011-12-10 04:50:53 +0000 | [diff] [blame] | 19 | ;CHECK: stwx r2, r1, r3 |
| Dale Johannesen | c12da8d | 2010-02-12 21:35:34 +0000 | [diff] [blame] | 20 | %x = alloca [100000 x i8] ; <[100000 x i8]*> [#uses=1] |
| 21 | %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| 22 | %x1 = bitcast [100000 x i8]* %x to i8* ; <i8*> [#uses=1] |
| 23 | call void @bar(i8* %x1) nounwind |
| Hal Finkel | 2e95afa | 2011-12-30 00:34:00 +0000 | [diff] [blame^] | 24 | call void asm sideeffect "", "~{cr2},~{cr3}"() nounwind |
| Dale Johannesen | c12da8d | 2010-02-12 21:35:34 +0000 | [diff] [blame] | 25 | br label %return |
| 26 | |
| 27 | return: ; preds = %entry |
| Hal Finkel | 3fd0018 | 2011-12-05 17:55:17 +0000 | [diff] [blame] | 28 | ;CHECK: lis r3, 1 |
| 29 | ;CHECK: ori r3, r3, 34524 |
| Hal Finkel | fed4d19 | 2011-12-10 04:50:53 +0000 | [diff] [blame] | 30 | ;CHECK: lwzx r2, r1, r3 |
| 31 | ;CHECK: rlwinm r2, r2, 24, 0, 31 |
| 32 | ;CHECK: mtcrf 32, r2 |
| Dale Johannesen | c12da8d | 2010-02-12 21:35:34 +0000 | [diff] [blame] | 33 | ret void |
| 34 | } |
| 35 | |
| 36 | declare void @bar(i8*) |