81c4e58e2a
Previously we'd go off the end of the BI iterator because we expected that the relative positions of common blocks before and after were consistent. That's not always true though, for example with jump-threading. Reviewed By: jamieschmeiser Differential Revision: https://reviews.llvm.org/D130596
21 lines
554 B
LLVM
21 lines
554 B
LLVM
; RUN: opt -passes=jump-threading %s -disable-output --print-changed=diff 2>&1 | FileCheck %s
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; CHECK: IR Dump After JumpThreadingPass
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define void @f(i1 %0) {
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br i1 %0, label %5, label %2
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2: ; preds = %1
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br i1 false, label %b, label %3
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3: ; preds = %2
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%4 = call i64 null()
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br label %b
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b: ; preds = %3, %2
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br label %5
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5: ; preds = %b, %1
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ret void
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}
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