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OpenMPOpt::RuntimeFunctionInfo::UsesMap: Use unique_ptr for values to simplify memory management

This commit is contained in:
David Blaikie 2020-04-28 12:26:09 -07:00
parent 89e2fe3210
commit 95e570725a
1 changed files with 7 additions and 5 deletions
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12
llvm/lib/Transforms/IPO/OpenMPOpt.cpp
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@ -62,7 +62,6 @@ struct OpenMPOpt {
/// Generic information that describes a runtime function
struct RuntimeFunctionInfo {
~RuntimeFunctionInfo() { DeleteContainerSeconds(UsesMap); }
/// The kind, as described by the RuntimeFunction enum.
RuntimeFunction Kind;
@ -87,16 +86,19 @@ struct OpenMPOpt {
/// Return the vector of uses in function \p F.
UseVector &getOrCreateUseVector(Function *F) {
UseVector *&UV = UsesMap[F];
std::unique_ptr<UseVector> &UV = UsesMap[F];
if (!UV)
UV = new UseVector();
UV = std::make_unique<UseVector>();
return *UV;
}
/// Return the vector of uses in function \p F or `nullptr` if there are
/// none.
const UseVector *getUseVector(Function &F) const {
return UsesMap.lookup(&F);
auto I = UsesMap.find(&F);
if (I != UsesMap.end())
return I->second.get();
return nullptr;
}
/// Return how many functions contain uses of this runtime function.
@ -134,7 +136,7 @@ struct OpenMPOpt {
private:
/// Map from functions to all uses of this runtime function contained in
/// them.
DenseMap<Function *, UseVector *> UsesMap;
DenseMap<Function *, std::unique_ptr<UseVector>> UsesMap;
};
/// Run all OpenMP optimizations on the underlying SCC/ModuleSlice.