The pass uses ReachingDefAnalysis which has no information about
instructions in dead blocks.
So do not process them.
Paths
| Differential D148329
[BreakFalseDeps] Respect dead blocks. ClosedPublic Authored by skatkov on Apr 14 2023, 4:57 AM.
Details Summary The pass uses ReachingDefAnalysis which has no information about So do not process them.
Diff Detail
Event Timelineskatkov added a child revision: D148514: [BranchFolding] Remove redundant conditional branch..Apr 17 2023, 9:01 AM This revision is now accepted and ready to land.Apr 20 2023, 9:32 PM This revision was landed with ongoing or failed builds.Apr 20 2023, 10:30 PM Closed by commit rGaa5cc39b6df0: [BreakFalseDeps] Respect dead blocks. (authored by skatkov). · Explain Why This revision was automatically updated to reflect the committed changes.
Revision Contents
Diff 515593 llvm/lib/CodeGen/BreakFalseDeps.cpp
llvm/lib/CodeGen/CodeGen.cpp
llvm/test/CodeGen/X86/break-false-dep-crash.mir
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