[5.1] SimplifyCFG: fix a compile time bug from exponential jump threading. #25452
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Change the way how to limit jump threading. Instead of counting the number of jump threading optimizations on a block, count the number of copied instructions due to jump threading. rdar://problem/51416939 Patch by Erik Eckstein! (cherry picked from commit 75ff621)
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@swift-ci test. |
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@swift-ci test source compatibility. |
atrick
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Change the way how to limit jump threading. Instead of counting the
number of jump threading optimizations on a block, count the number of
copied instructions due to jump threading.
rdar://problem/51416939
Patch by Erik Eckstein!
(cherry picked from commit 75ff621)
Replace this paragraph with a description of your changes and rationale. Provide links to external references/discussions if appropriate.
Resolves SR-NNNN.