forked from OSchip/llvm-project
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
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; RUN: opt %loadPolly -polly-detect -analyze < %s
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; Verify that the scop detection does not crash on inputs with unreachable
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; blocks. Earlier we crashed when detecting error blocks.
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: nounwind uwtable
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define void @foo() {
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entry:
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br label %while.cond
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while.cond: ; preds = %for.end, %entry
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br i1 false, label %for.end, label %while.end8
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while.cond1: ; preds = %while.cond4
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br i1 undef, label %while.body3, label %for.inc
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while.body3: ; preds = %while.cond1
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br label %while.cond4
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while.cond4: ; preds = %while.cond4, %while.body3
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br i1 undef, label %while.cond4, label %while.cond1
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for.inc: ; preds = %while.cond1
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%conv = zext i16 undef to i32
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br label %for.end
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for.end: ; preds = %for.inc, %while.cond
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%conv.sink = phi i32 [ %conv, %for.inc ], [ 0, %while.cond ]
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br label %while.cond
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while.end8: ; preds = %while.cond
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ret void
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}
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