objective-C blocks: Provide layout map for byref
variables captured in a block. // rdar://12184410
llvm-svn: 167931
diff --git a/clang/test/CodeGenObjC/block-byref-variable-layout.m b/clang/test/CodeGenObjC/block-byref-variable-layout.m
new file mode 100644
index 0000000..1e8bcbc
--- /dev/null
+++ b/clang/test/CodeGenObjC/block-byref-variable-layout.m
@@ -0,0 +1,33 @@
+// RUN: %clang_cc1 -fblocks -fobjc-arc -fobjc-runtime-has-weak -triple x86_64-apple-darwin -O0 -emit-llvm %s -o - | FileCheck %s
+
+int main() {
+ __block __weak id wid;
+ __block long XXX;
+ __block id ID;
+ __block struct S {
+ int iS;
+ double iD;
+ void *pv;
+ __unsafe_unretained id unsunr;
+ } import;
+ void (^c)() = ^{
+// Inline flag for BYREF variable layout (1107296256): BLOCK_BYREF_HAS_COPY_DISPOSE BLOCK_BYREF_LAYOUT_WEAK
+// CHECK: store i32 1107296256, i32* [[T0:%.*]]
+ wid = 0;
+
+// Inline flag for BYREF variable layout (536870912): BLOCK_BYREF_LAYOUT_NON_OBJECT
+// CHECK: store i32 536870912, i32* [[T1:%.*]]
+ XXX = 12345;
+
+// Inline flag for BYREF variable layout (838860800): BLOCK_BYREF_HAS_COPY_DISPOSE BLOCK_BYREF_LAYOUT_STRONG
+// CHECK: store i32 838860800, i32* [[T2:%.*]]
+ ID = 0;
+
+// Inline flag for BYREF variable layout (268435456): BLOCK_BYREF_LAYOUT_EXTENDED
+// BYREF variable layout: BL_NON_OBJECT_WORD:3, BL_UNRETAINED:1, BL_OPERATOR:0
+// CHECK: store i32 268435456, i32* [[T3:%.*]]
+ import.iD = 3.14;
+
+ };
+ c();
+}