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LexicalScopes: use unique_ptr to own LexicalScope objects.

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Ownership of abstract scopes coming soon.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207724 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-04-30 23:40:59 +00:00
parent 3589c24c08
commit b5b0db911b
2 changed files with 20 additions and 18 deletions
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6
include/llvm/CodeGen/LexicalScopes.h
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@@ -25,6 +25,7 @@
#include "llvm/IR/Metadata.h"
#include "llvm/IR/ValueHandle.h"
#include <utility>
#include <memory>
namespace llvm {
class MachineInstr;
@@ -100,7 +101,8 @@ public:
/// findLexicalScope - Find regular lexical scope or return NULL.
LexicalScope *findLexicalScope(const MDNode *N) {
return LexicalScopeMap.lookup(N);
auto I = LexicalScopeMap.find(N);
return I != LexicalScopeMap.end() ? I->second.get() : nullptr;
}
/// dump - Print data structures to dbgs().
@@ -134,7 +136,7 @@ private:
/// LexicalScopeMap - Tracks the scopes in the current function. Owns the
/// contained LexicalScope*s.
DenseMap<const MDNode *, LexicalScope *> LexicalScopeMap;
DenseMap<const MDNode *, std::unique_ptr<LexicalScope>> LexicalScopeMap;
/// InlinedLexicalScopeMap - Tracks inlined function scopes in current
/// function.