llvm-project

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; RUN: opt %loadNPMPolly -passes=polly-codegen -S %s | FileCheck %s
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;
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; This test was extracted from gcc in SPEC2006 and it crashed our code
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; generation, or to be more precise, the ScopExpander due to a endless
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; recursion. It was fixed in r261474 (git: 61cba205ca59).
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;
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; CHECK: polly.start:
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @lex_number(ptr %str) {
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entry:
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  br label %for.end
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for.end:                                          ; preds = %entry
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  %0 = load i8, ptr %str, align 1
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  %cmp17 = icmp eq i8 %0, 48
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  br i1 %cmp17, label %land.lhs.true34, label %lor.lhs.false81
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land.lhs.true34:                                  ; preds = %for.end
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  %arrayidx35 = getelementptr inbounds i8, ptr %str, i64 1
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  %str.arrayidx35 = select i1 undef, ptr %str, ptr %arrayidx35
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  br label %lor.lhs.false81
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lor.lhs.false81:                                  ; preds = %land.lhs.true34, %for.end
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  %p.0 = phi ptr [ %str.arrayidx35, %land.lhs.true34 ], [ %str, %for.end ]
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  br label %do.body172
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do.body172:                                       ; preds = %lor.lhs.false81
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  ret void
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}
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