Place the GC attribute on the same relative pointer
position to make it consistant and to match gcc's behavior,
by placing it at the inner-most pointer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72784 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 3b40526..b36d1f3 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -828,6 +828,13 @@
if (CanT.getObjCGCAttr() == GCAttr)
return T;
+ if (T->isPointerType()) {
+ QualType Pointee = T->getAsPointerType()->getPointeeType();
+ if (Pointee->isPointerType()) {
+ QualType ResultType = getObjCGCQualType(Pointee, GCAttr);
+ return getPointerType(ResultType);
+ }
+ }
// If we are composing extended qualifiers together, merge together into one
// ExtQualType node.
unsigned CVRQuals = T.getCVRQualifiers();
diff --git a/test/CodeGenObjC/objc2-weak-assign.m b/test/CodeGenObjC/objc2-weak-assign.m
new file mode 100644
index 0000000..a3740b2
--- /dev/null
+++ b/test/CodeGenObjC/objc2-weak-assign.m
@@ -0,0 +1,22 @@
+// RUN: clang-cc -triple x86_64-apple-darwin9 -fobjc-gc -emit-llvm -o %t %s &&
+// RUN: grep -e "objc_assign_weak" %t | grep -e "call" | count 6
+
+__weak id* x;
+id* __weak y;
+id* __weak* z;
+
+__weak id* a1[20];
+id* __weak a2[30];
+id** __weak a3[40];
+
+int main()
+{
+ *x = 0;
+ *y = 0;
+ **z = 0;
+
+ a1[3] = 0;
+ a2[3] = 0;
+ a3[3][4] = 0;
+}
+