Revert "[NFC] Refactor representation of materialized temporaries"

This reverts commit 08ea1ee2db5f9d6460fef1d79d0d1d1a5eb78982.
It broke ./ClangdTests/FindExplicitReferencesTest.All
on the bots, see comments on https://reviews.llvm.org/D69360

1 files changed, 19 insertions, 0 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 752c100aab2..cda51ec755a 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -875,6 +875,10 @@ ASTContext::~ASTContext() {
        A != AEnd; ++A)
     A->second->~AttrVec();
 
+  for (std::pair<const MaterializeTemporaryExpr *, APValue *> &MTVPair :
+       MaterializedTemporaryValues)
+    MTVPair.second->~APValue();
+
   for (const auto &Value : ModuleInitializers)
     Value.second->~PerModuleInitializers();
 
@@ -10320,6 +10324,21 @@ unsigned ASTContext::getParameterIndex(const ParmVarDecl *D) const {
   return I->second;
 }
 
+APValue *
+ASTContext::getMaterializedTemporaryValue(const MaterializeTemporaryExpr *E,
+                                          bool MayCreate) {
+  assert(E && E->getStorageDuration() == SD_Static &&
+         "don't need to cache the computed value for this temporary");
+  if (MayCreate) {
+    APValue *&MTVI = MaterializedTemporaryValues[E];
+    if (!MTVI)
+      MTVI = new (*this) APValue;
+    return MTVI;
+  }
+
+  return MaterializedTemporaryValues.lookup(E);
+}
+
 QualType ASTContext::getStringLiteralArrayType(QualType EltTy,
                                                unsigned Length) const {
   // A C++ string literal has a const-qualified element type (C++ 2.13.4p1).