Andrew Trick bebbe370e8 Fix EscapeAnalysis verification assert at unreachable blocks ...

If EscapeAnalysis verification runs on unreachable code, it asserts
with "Missing escape connection graph mapping" because the connection
graph builder only runs on reachable blocks.

Add a ReachableBlocks utility and use it during verification.

Fixes <rdar://problem/60373501> EscapeAnalysis crashes with CFG with
unreachable blocks

2020-03-14 14:31:41 -07:00

12 KiB

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