Implement IRGen of lambda expressions which capture arrays.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150452 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 35 deletions

diff --git a/lib/CodeGen/CGExprCXX.cpp b/lib/CodeGen/CGExprCXX.cpp
index 673c9442e0..7b1ae1cc24 100644
--- a/lib/CodeGen/CGExprCXX.cpp
+++ b/lib/CodeGen/CGExprCXX.cpp
@@ -1765,24 +1765,6 @@ llvm::Value *CodeGenFunction::EmitDynamicCast(llvm::Value *Value,
   return Value;
 }
 
-namespace {
-  struct CallLambdaMemberDtor : EHScopeStack::Cleanup {
-    FieldDecl *Field;
-    CXXDestructorDecl *Dtor;
-    llvm::Value *Lambda;
-
-    CallLambdaMemberDtor(FieldDecl *Field, CXXDestructorDecl *Dtor,
-                         llvm::Value *Lambda)
-      : Field(Field), Dtor(Dtor), Lambda(Lambda) {}
-
-    void Emit(CodeGenFunction &CGF, Flags flags) {
-      LValue LHS = CGF.EmitLValueForField(Lambda, Field, 0);
-      CGF.EmitCXXDestructorCall(Dtor, Dtor_Complete, /*ForVirtualBase=*/false,
-                                LHS.getAddress());
-    }
-  };
-}
-
 void CodeGenFunction::EmitLambdaExpr(const LambdaExpr *E, AggValueSlot Slot) {
   RunCleanupsScope Scope(*this);
 
@@ -1790,24 +1772,11 @@ void CodeGenFunction::EmitLambdaExpr(const LambdaExpr *E, AggValueSlot Slot) {
   for (LambdaExpr::capture_init_iterator i = E->capture_init_begin(),
                                          e = E->capture_init_end();
       i != e; ++i, ++CurField) {
-    // FIXME: Add array handling
-    // FIXME: Try to refactor with CodeGenFunction::EmitCtorPrologue
-
     // Emit initialization
     LValue LV = EmitLValueForFieldInitialization(Slot.getAddr(), *CurField, 0);
-    EmitExprAsInit(*i, *CurField, LV, false);
-
-    // Add temporary cleanup to handle the case where a later initialization
-    // throws.
-    if (!CGM.getLangOptions().Exceptions)
-      continue;
-    const RecordType *RT = CurField->getType()->getAs<RecordType>();
-    if (!RT)
-      continue;
-    CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl());
-    if (!RD->hasTrivialDestructor())
-      EHStack.pushCleanup<CallLambdaMemberDtor>(EHCleanup, *CurField,
-                                                RD->getDestructor(),
-                                                Slot.getAddr());
+    ArrayRef<VarDecl *> ArrayIndexes;
+    if (CurField->getType()->isArrayType())
+      ArrayIndexes = E->getCaptureInitIndexVars(i);
+    EmitInitializerForField(*CurField, LV, *i, ArrayIndexes);
   }
 }