1 ; RUN: llc < %s -march=ppc32 -mcpu=g5 -o %t 2 ; RUN: grep vcmpeqfp. %t 3 ; RUN: not grep mfcr %t 4 5 ; A predicate compare used immediately by a branch should not generate an mfcr. 6 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 13 14 cond_true: ; preds = %0 15 store <4 x float> zeroinitializer, <4 x float>* %B 16 ret void 17 18 UnifiedReturnBlock: ; preds = %0 19 ret void 20 } 21 22 declare i32 @llvm.ppc.altivec.vcmpeqfp.p(i32, <4 x float>, <4 x float>) 23
