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22 lines
631 B
LLVM
22 lines
631 B
LLVM
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; RUN: opt < %s -reassociate -disable-output
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; PR13041
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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 = %while.body, %entry
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%b.0 = phi i32 [ undef, %entry ], [ %sub2, %while.body ]
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%c.0 = phi i32 [ undef, %entry ], [ %sub3, %while.body ]
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br i1 undef, label %while.end, label %while.body
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while.body: ; preds = %while.cond
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%sub = sub nsw i32 0, %b.0
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%sub2 = sub nsw i32 %sub, %c.0
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%sub3 = sub nsw i32 0, %c.0
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br label %while.cond
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while.end: ; preds = %while.cond
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ret void
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}
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