| Dan Gohman | c8054d9 | 2009-09-09 00:09:15 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=ppc32 -mcpu=g5 -o %t |
| Reid Spencer | 6e87ec4 | 2007-04-16 17:36:08 +0000 | [diff] [blame] | 2 | ; RUN: grep vcmpeqfp. %t |
| 3 | ; RUN: not grep mfcr %t |
| Chris Lattner | 11a9ac5 | 2006-04-18 17:56:30 +0000 | [diff] [blame] | 4 | |
| 5 | ; A predicate compare used immediately by a branch should not generate an mfcr. |
| 6 | |
| Tanya Lattner | a99d8b5 | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 7 | define void @test(<4 x float>* %A, <4 x float>* %B) { |
| 8 | %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1] |
| 9 | %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=1] |
| 10 | %tmp.upgrd.1 = tail call i32 @llvm.ppc.altivec.vcmpeqfp.p( i32 1, <4 x float> %tmp, <4 x float> %tmp3 ) ; <i32> [#uses=1] |
| 11 | %tmp.upgrd.2 = icmp eq i32 %tmp.upgrd.1, 0 ; <i1> [#uses=1] |
| 12 | br i1 %tmp.upgrd.2, label %cond_true, label %UnifiedReturnBlock |
| Chris Lattner | 11a9ac5 | 2006-04-18 17:56:30 +0000 | [diff] [blame] | 13 | |
| Tanya Lattner | a99d8b5 | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 14 | cond_true: ; preds = %0 |
| 15 | store <4 x float> zeroinitializer, <4 x float>* %B |
| 16 | ret void |
| Chris Lattner | 11a9ac5 | 2006-04-18 17:56:30 +0000 | [diff] [blame] | 17 | |
| Tanya Lattner | a99d8b5 | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 18 | UnifiedReturnBlock: ; preds = %0 |
| 19 | ret void |
| Chris Lattner | 11a9ac5 | 2006-04-18 17:56:30 +0000 | [diff] [blame] | 20 | } |
| 21 | |
| Tanya Lattner | a99d8b5 | 2008-02-19 08:07:33 +0000 | [diff] [blame] | 22 | declare i32 @llvm.ppc.altivec.vcmpeqfp.p(i32, <4 x float>, <4 x float>) |