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Implement Simple Analysis interfaces - cloneBasicBlockAnalysis and deleteAnalysisValue.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40626 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2007-07-31 08:01:41 +00:00
parent c7e49c08c2
commit 91d22c8b1e
1 changed files with 26 additions and 0 deletions
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26
lib/Transforms/Scalar/LICM.cpp
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@ -102,6 +102,13 @@ namespace {
AliasSetTracker *CurAST; // AliasSet information for the current loop...
std::map<Loop *, AliasSetTracker *> LoopToAliasMap;
/// cloneBasicBlockAnalysis - Simple Analysis hook. Clone alias set info.
void cloneBasicBlockAnalysis(BasicBlock *From, BasicBlock *To, Loop *L);
/// deleteAnalysisValue - Simple Analysis hook. Delete value V from alias
/// set.
void deleteAnalysisValue(Value *V, Loop *L);
/// SinkRegion - Walk the specified region of the CFG (defined by all blocks
/// dominated by the specified block, and that are in the current loop) in
/// reverse depth first order w.r.t the DominatorTree. This allows us to
@ -798,3 +805,22 @@ void LICM::FindPromotableValuesInLoop(
}
}
}
/// cloneBasicBlockAnalysis - Simple Analysis hook. Clone alias set info.
void LICM::cloneBasicBlockAnalysis(BasicBlock *From, BasicBlock *To, Loop *L) {
AliasSetTracker *AST = LoopToAliasMap[L];
if (!AST)
return;
AST->copyValue(From, To);
}
/// deleteAnalysisValue - Simple Analysis hook. Delete value V from alias
/// set.
void LICM::deleteAnalysisValue(Value *V, Loop *L) {
AliasSetTracker *AST = LoopToAliasMap[L];
if (!AST)
return;
AST->deleteValue(V);
}