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