forked from OSchip/llvm-project
28 lines
895 B
LLVM
28 lines
895 B
LLVM
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; RUN: opt -loop-reduce -S < %s | FileCheck %s
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;
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; Test SCEVExpander reusing a phi->gep->phi IV when SCEV "wrongly"
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; reports the expression as an IntegerTy.
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target triple = "x86_64-apple-darwin"
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; CHECK-LABEL: @test(
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; CHECK: phi
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; CHECK-NOT: phi
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define void @test(i32 %rowStride) ssp align 2 {
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entry:
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%cond = select i1 undef, i32 %rowStride, i32 4
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br label %for.end
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for.end.critedge: ; preds = %for.end
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br label %for.end
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for.end: ; preds = %for.end.critedge, %entry
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br i1 undef, label %for.body83, label %for.end.critedge
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for.body83: ; preds = %for.body83, %for.end
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%ptr.0157 = phi i8* [ %add.ptr96, %for.body83 ], [ null, %for.end ]
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store i8 undef, i8* %ptr.0157, align 1
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%add.ptr96 = getelementptr inbounds i8, i8* %ptr.0157, i32 %cond
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br label %for.body83
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}
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