block literal irgen: several improvements on naming block

literal helper functions. All helper functions (global
and locals) use block_invoke as their prefix. Local literal
helper names are prefixed by their enclosing mangled function
names. Blocks in non-local initializers (e.g. a global variable 
or a C++11 field) are prefixed by their mangled variable name. 
The descriminator number added to end of the name starts off 
with blank (for first block) and _<N> (for the N+2-th block).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159206 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 27 insertions, 0 deletions

diff --git a/test/CodeGenCXX/global-block-literal-helpers.cpp b/test/CodeGenCXX/global-block-literal-helpers.cpp
new file mode 100644
index 0000000000..350ea54866
--- /dev/null
+++ b/test/CodeGenCXX/global-block-literal-helpers.cpp
@@ -0,0 +1,27 @@
+// RUN: %clang_cc1 -std=c++11 -emit-llvm -fblocks -o - -triple x86_64-apple-darwin10 %s | FileCheck %s
+// rdar://11343499
+
+namespace N {
+  typedef void (^BL)();
+  int func(BL, BL, BL);
+
+// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke(
+// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke_2(
+// CHECK: define internal void @_ZN1N8ArrBlockE_block_invoke_3
+  BL ArrBlock [] = { ^{}, ^{}, ^{} };
+
+// CHECK: define internal void @_ZN1N4ivalE_block_invoke_4(
+// CHECK: define internal void @_ZN1N4ivalE_block_invoke_5(
+// CHECK: define internal void @_ZN1N4ivalE_block_invoke_6(
+  int ival = func(^{}, ^{}, ^{});
+
+// CHECK: define internal void @_ZN1N9gvarlobalE_block_invoke_7(
+  void (^gvarlobal)(void) = ^{};
+
+  struct S {
+    BL field = ^{};
+  };
+
+// CHECK: define internal void @_ZN1N3blfE_block_invoke_8(
+  S blf;
+};