pch'ify typeid.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103374 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 33 insertions, 0 deletions

diff --git a/lib/Frontend/PCHReaderStmt.cpp b/lib/Frontend/PCHReaderStmt.cpp
index 394a894e4e..cce2e262de 100644
--- a/lib/Frontend/PCHReaderStmt.cpp
+++ b/lib/Frontend/PCHReaderStmt.cpp
@@ -126,6 +126,7 @@ namespace {
     unsigned VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E);
     unsigned VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
     unsigned VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
+    unsigned VisitCXXTypeidExpr(CXXTypeidExpr *E);
   };
 }
 
@@ -992,6 +993,19 @@ unsigned PCHStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
   return 0;
 }
 
+unsigned PCHStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
+  VisitExpr(E);
+  E->setSourceRange(Reader.ReadSourceRange(Record, Idx));
+  if (E->isTypeOperand()) { // typeid(int)
+    E->setTypeOperandSourceInfo(Reader.GetTypeSourceInfo(Record, Idx));
+    return 0;
+  }
+  
+  // typeid(42+2)
+  return 1;
+}
+
+
 // Within the bitstream, expressions are stored in Reverse Polish
 // Notation, with each of the subexpressions preceding the
 // expression they are stored in. To evaluate expressions, we
@@ -1341,6 +1355,12 @@ Stmt *PCHReader::ReadStmt(llvm::BitstreamCursor &Cursor) {
     case pch::EXPR_CXX_NULL_PTR_LITERAL:
       S = new (Context) CXXNullPtrLiteralExpr(Empty);
       break;
+    case pch::EXPR_CXX_TYPEID_EXPR:
+      S = new (Context) CXXTypeidExpr(Empty, true);
+      break;
+    case pch::EXPR_CXX_TYPEID_TYPE:
+      S = new (Context) CXXTypeidExpr(Empty, false);
+      break;
     }
 
     // We hit a STMT_STOP, so we're done with this expression.
diff --git a/lib/Frontend/PCHWriterStmt.cpp b/lib/Frontend/PCHWriterStmt.cpp
index 3c2022ea99..1e272c3c66 100644
--- a/lib/Frontend/PCHWriterStmt.cpp
+++ b/lib/Frontend/PCHWriterStmt.cpp
@@ -122,6 +122,7 @@ namespace {
     void VisitCXXFunctionalCastExpr(CXXFunctionalCastExpr *E);
     void VisitCXXBoolLiteralExpr(CXXBoolLiteralExpr *E);
     void VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E);
+    void VisitCXXTypeidExpr(CXXTypeidExpr *E);
   };
 }
 
@@ -911,6 +912,18 @@ void PCHStmtWriter::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
   Code = pch::EXPR_CXX_NULL_PTR_LITERAL;
 }
 
+void PCHStmtWriter::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
+  VisitExpr(E);
+  Writer.AddSourceRange(E->getSourceRange(), Record);
+  if (E->isTypeOperand()) {
+    Writer.AddTypeSourceInfo(E->getTypeOperandSourceInfo(), Record);
+    Code = pch::EXPR_CXX_TYPEID_TYPE;
+  } else {
+    Writer.WriteSubStmt(E->getExprOperand());
+    Code = pch::EXPR_CXX_TYPEID_EXPR;
+  }
+}
+
 //===----------------------------------------------------------------------===//
 // PCHWriter Implementation
 //===----------------------------------------------------------------------===//