[all-commits] [llvm/llvm-project] f93264: [SimplifyCFG][PGO] Add missing overflow check to C...

[Mitchel Dickerson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f932646bf6c7a7d528d9ef0d253500b6ce1cb14f
      https://github.com/llvm/llvm-project/commit/f932646bf6c7a7d528d9ef0d253500b6ce1cb14f
  Author: Mitchel Dickerson <mitchel.dickerson at mediatek.com>
  Date:   2026-02-11 (Wed, 11 Feb 2026)

  Changed paths:
    M llvm/lib/Transforms/Utils/Local.cpp
    A llvm/test/Transforms/SimplifyCFG/branch-weight-overflow.ll

  Log Message:
  -----------
  [SimplifyCFG][PGO] Add missing overflow check to ConstantFoldTerminator (#178964)

Branch weight metadata can overflow when folding large branch weights.
Updated branch weights to uint64_t, added check for overflow, and then
set branch weights using setFittedBranchWeights to ensure branch weight
metadata is not lost.



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