[PATCH] D29596: Make MachineBasicBlock::updateTerminator to update DebugLoc as well

[Taewook Oh via Phabricator via llvm-commits]

twoh updated this revision to Diff 87470.
twoh added a comment.

Implemented a separate 'findBranchDebugLoc'. This functions does essentially the same job as 'getBranchDebugLoc' function in BranchFolding.cpp. Unlike getBranchDebugLoc, the new findBranchDebugLoc finds all branch instructions inside the function and returns the merged DebugLoc of them. I think it is more conservative, Though I can't imagine the case of two branch instructions in the same machine basic block have different DebugLoc.


https://reviews.llvm.org/D29596

Files:
  include/llvm/CodeGen/MachineBasicBlock.h
  lib/CodeGen/MachineBasicBlock.cpp
  test/CodeGen/X86/update-terminator-debugloc.ll

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