Files
llvm/bolt/lib/Core
Rafael Auler b87bf74428 [BOLT] Fix creation of invalid CFG in presence of dead code
When there is a direct jump right after an indirect one, in
the absence of code jumpting to this direct jump, this is obviously
dead code. However, BOLT was failing to recognize that by mistakenly
placing both jmp instructions in the same basic block, and creating
wrong successor edges. Fix that, so we can safely run UCE on
that. This bug also causes validateCFG to fail and BOLT to crash if it
is running ICP on that function.

Reviewed By: #bolt, Amir

Differential Revision: https://reviews.llvm.org/D148055
2023-04-11 17:19:39 -07:00
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