[PCH] Use DenseMap instead of std::map to keep track of SwitchCases.
Part of rdar://11353109.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156185 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Serialization/ASTReader.h b/include/clang/Serialization/ASTReader.h
index 11e237e..d9af6d7 100644
--- a/include/clang/Serialization/ASTReader.h
+++ b/include/clang/Serialization/ASTReader.h
@@ -591,13 +591,14 @@
/// indicates how many separate module file load operations have occurred.
unsigned CurrentGeneration;
+ typedef llvm::DenseMap<unsigned, SwitchCase *> SwitchCaseMapTy;
/// \brief Mapping from switch-case IDs in the chain to switch-case statements
///
/// Statements usually don't have IDs, but switch cases need them, so that the
/// switch statement can refer to them.
- std::map<unsigned, SwitchCase *> SwitchCaseStmts;
+ SwitchCaseMapTy SwitchCaseStmts;
- std::map<unsigned, SwitchCase *> *CurrSwitchCaseStmts;
+ SwitchCaseMapTy *CurrSwitchCaseStmts;
/// \brief The number of stat() calls that hit/missed the stat
/// cache.
diff --git a/include/clang/Serialization/ASTWriter.h b/include/clang/Serialization/ASTWriter.h
index e693f17..16c3766 100644
--- a/include/clang/Serialization/ASTWriter.h
+++ b/include/clang/Serialization/ASTWriter.h
@@ -337,7 +337,7 @@
SmallVector<Stmt *, 16> *CollectedStmts;
/// \brief Mapping from SwitchCase statements to IDs.
- std::map<SwitchCase *, unsigned> SwitchCaseIDs;
+ llvm::DenseMap<SwitchCase *, unsigned> SwitchCaseIDs;
/// \brief The number of statements written to the AST file.
unsigned NumStatements;
diff --git a/lib/Serialization/ASTReaderDecl.cpp b/lib/Serialization/ASTReaderDecl.cpp
index dc315f0..1c5b658 100644
--- a/lib/Serialization/ASTReaderDecl.cpp
+++ b/lib/Serialization/ASTReaderDecl.cpp
@@ -631,8 +631,8 @@
// In practice, this won't be executed (since method definitions
// don't occur in header files).
// Switch case IDs for this method body.
- std::map<unsigned, SwitchCase *> SwitchCaseStmtsForObjCMethod;
- SaveAndRestore<std::map<unsigned, SwitchCase *> *>
+ ASTReader::SwitchCaseMapTy SwitchCaseStmtsForObjCMethod;
+ SaveAndRestore<ASTReader::SwitchCaseMapTy *>
SCFOM(Reader.CurrSwitchCaseStmts, &SwitchCaseStmtsForObjCMethod);
MD->setBody(Reader.ReadStmt(F));
MD->setSelfDecl(ReadDeclAs<ImplicitParamDecl>(Record, Idx));
