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Make DeadMachineInstructionElim preserve CFG

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273330 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2016-06-21 23:01:17 +00:00
parent 1fb090e593
commit b24e29e8a8
1 changed files with 5 additions and 0 deletions
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lib/CodeGen/DeadMachineInstructionElim.cpp
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@ -42,6 +42,11 @@ namespace {
initializeDeadMachineInstructionElimPass(*PassRegistry::getPassRegistry());
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
MachineFunctionPass::getAnalysisUsage(AU);
}
private:
bool isDead(const MachineInstr *MI) const;
};