| John Bauman | 66b8ab2 | 2014-05-06 15:57:45 -0400 | [diff] [blame] | 1 | ; RUN: llc < %s -march=ppc32 -mcpu=g5 -o %t
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| 2 | ; RUN: grep vcmpeqfp. %t
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| 3 | ; RUN: not grep mfcr %t
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| 4 |
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| 5 | ; A predicate compare used immediately by a branch should not generate an mfcr.
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| 6 |
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| 7 | define void @test(<4 x float>* %A, <4 x float>* %B) {
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| 8 | %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1]
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| 9 | %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=1]
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| 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]
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| 11 | %tmp.upgrd.2 = icmp eq i32 %tmp.upgrd.1, 0 ; <i1> [#uses=1]
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| 12 | br i1 %tmp.upgrd.2, label %cond_true, label %UnifiedReturnBlock
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| 13 |
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| 14 | cond_true: ; preds = %0
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| 15 | store <4 x float> zeroinitializer, <4 x float>* %B
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| 16 | ret void
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| 17 |
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| 18 | UnifiedReturnBlock: ; preds = %0
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| 19 | ret void
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| 20 | }
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| 21 |
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| 22 | declare i32 @llvm.ppc.altivec.vcmpeqfp.p(i32, <4 x float>, <4 x float>)
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