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(parent: 1416dc2) | patch
Add a routine to swap branch instruction operands, and update any
authorChandler Carruth <chandlerc@gmail.com>
Mon, 17 Oct 2011 01:11:57 +0000 (01:11 +0000)
committerChandler Carruth <chandlerc@gmail.com>
Mon, 17 Oct 2011 01:11:57 +0000 (01:11 +0000)
commit602650c98822371d4a34b00353ec71051621b7fb
treed6b4d7c82ce7ba5d787d6f22a6c5c2b339793663tree | snapshot
parent1416dc29d8573e58c8b2d7fe0715f3e289d03ab8commit | diff
Add a routine to swap branch instruction operands, and update any
profile metadata at the same time. Use it to preserve metadata attached
to a branch when re-writing it in InstCombine.

Add metadata to the canonicalize_branch InstCombine test, and check that
it is tranformed correctly.

Reviewed by Nick Lewycky!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142168 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Instructions.h diff | blob | history
lib/Transforms/InstCombine/InstructionCombining.cpp diff | blob | history
lib/VMCore/Instructions.cpp diff | blob | history
test/Transforms/InstCombine/canonicalize_branch.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors