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Let CorrelatedValuePropagation preserve LazyValueInfo

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Summary:
This patch makes CorrelatedValuePropagation preserve LazyValueInfo by adding LazyValueInfo::eraseValue & calling it whenever an instruction is erased.

Passes `make check` , test-suite, and SPECrate 2017.

Patch by aqjune (Juneyoung Lee)

Reviewers: reames, mzolotukhin

Reviewed By: reames

Subscribers: xbolva00, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D59349

llvm-svn: 366942
This commit is contained in:
David Bolvansky 2019-07-24 20:27:32 +00:00
parent 53daa4154e
commit bb6af70210
1 changed files with 2 additions and 0 deletions
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2
lib/Transforms/Scalar/CorrelatedValuePropagation.cpp
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@ -85,6 +85,7 @@ namespace {
AU.addRequired<LazyValueInfoWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
AU.addPreserved<LazyValueInfoWrapperPass>();
}
};
@ -796,5 +797,6 @@ CorrelatedValuePropagationPass::run(Function &F, FunctionAnalysisManager &AM) {
PreservedAnalyses PA;
PA.preserve<GlobalsAA>();
PA.preserve<DominatorTreeAnalysis>();
PA.preserve<LazyValueAnalysis>();
return PA;
}