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Introduce DominanceFrontierAnalysis to the new PassManager to compute DominanceFrontier. NFC

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Differential Revision: http://reviews.llvm.org/D17570

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261903 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hongbin Zheng
2016-02-25 17:54:15 +00:00
parent 5d7472e863
commit 159692245c
10 changed files with 138 additions and 69 deletions
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lib/CodeGen/MachineFunctionPass.cpp
+1 -1
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@@ -53,7 +53,7 @@ void MachineFunctionPass::getAnalysisUsage(AnalysisUsage &AU) const {
// because CodeGen overloads that to mean preserving the MachineBasicBlock
// CFG in addition to the LLVM IR CFG.
AU.addPreserved<BasicAAWrapperPass>();
AU.addPreserved<DominanceFrontier>();
AU.addPreserved<DominanceFrontierWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
AU.addPreserved<AAResultsWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();