[PATCH] D128823: [SCCP] Make it possible to remove predicate info for a given instruction.

[Alexandros Lamprineas via Phabricator via llvm-commits]

labrinea created this revision.
labrinea added a reviewer: llvm-commits.
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labrinea requested review of this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D128823

Files:
  llvm/include/llvm/Transforms/Utils/PredicateInfo.h
  llvm/lib/Transforms/Utils/SCCPSolver.cpp


Index: llvm/lib/Transforms/Utils/SCCPSolver.cpp
===================================================================
--- llvm/lib/Transforms/Utils/SCCPSolver.cpp
+++ llvm/lib/Transforms/Utils/SCCPSolver.cpp
@@ -341,6 +341,13 @@
     return A->second.PredInfo->getPredicateInfoFor(I);
   }
 
+  bool removePredicateInfoFor(Instruction *I) {
+    auto A = AnalysisResults.find(I->getParent()->getParent());
+    if (A == AnalysisResults.end())
+      return false;
+    return A->second.PredInfo->removePredicateInfoFor(I);
+  }
+
   DomTreeUpdater getDTU(Function &F) {
     auto A = AnalysisResults.find(&F);
     assert(A != AnalysisResults.end() && "Need analysis results for function.");
Index: llvm/include/llvm/Transforms/Utils/PredicateInfo.h
===================================================================
--- llvm/include/llvm/Transforms/Utils/PredicateInfo.h
+++ llvm/include/llvm/Transforms/Utils/PredicateInfo.h
@@ -189,6 +189,8 @@
     return PredicateMap.lookup(V);
   }
 
+  bool removePredicateInfoFor(const Value *V) { return PredicateMap.erase(V); }
+
 protected:
   // Used by PredicateInfo annotater, dumpers, and wrapper pass.
   friend class PredicateInfoAnnotatedWriter;


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