| ; RUN: llc < %s -march=ppc32 -mcpu=g5 -o %t |
| ; RUN: grep vcmpeqfp. %t |
| ; RUN: not grep mfcr %t |
| |
| ; A predicate compare used immediately by a branch should not generate an mfcr. |
| |
| define void @test(<4 x float>* %A, <4 x float>* %B) { |
| %tmp = load <4 x float>* %A ; <<4 x float>> [#uses=1] |
| %tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=1] |
| %tmp.upgrd.1 = tail call i32 @llvm.ppc.altivec.vcmpeqfp.p( i32 1, <4 x float> %tmp, <4 x float> %tmp3 ) ; <i32> [#uses=1] |
| %tmp.upgrd.2 = icmp eq i32 %tmp.upgrd.1, 0 ; <i1> [#uses=1] |
| br i1 %tmp.upgrd.2, label %cond_true, label %UnifiedReturnBlock |
| |
| cond_true: ; preds = %0 |
| store <4 x float> zeroinitializer, <4 x float>* %B |
| ret void |
| |
| UnifiedReturnBlock: ; preds = %0 |
| ret void |
| } |
| |
| declare i32 @llvm.ppc.altivec.vcmpeqfp.p(i32, <4 x float>, <4 x float>) |
