llvm/clang/test/PCH/block-helpers.cpp

// RUN: %clang_cc1 -x c++-header -triple x86_64-apple-darwin11 -emit-pch -fblocks -fexceptions -o %t %S/block-helpers.h
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -include-pch %t -emit-llvm -fblocks -fexceptions -o - %s | FileCheck %s

// CHECK: %[[STRUCT_BLOCK_BYREF_X:.*]] = type { ptr, ptr, i32, i32, ptr, ptr, %[[STRUCT_S0:.*]] }
// CHECK: %[[STRUCT_S0]] = type { i32 }
// CHECK: %[[STRUCT_BLOCK_BYREF_Y:.*]] = type { ptr, ptr, i32, i32, ptr, ptr, %[[STRUCT_S0]] }

// Check that byref structs are allocated for x and y.

// CHECK-LABEL: define linkonce_odr void @_ZN1S1mEv(
// CHECK: %[[X:.*]] = alloca %[[STRUCT_BLOCK_BYREF_X]], align 8
// CHECK: %[[Y:.*]] = alloca %[[STRUCT_BLOCK_BYREF_Y]], align 8
// CHECK: %[[BLOCK:.*]] = alloca <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, align 8
// CHECK: %[[BLOCK_CAPTURED:.*]] = getelementptr inbounds nuw <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, ptr %[[BLOCK]], i32 0, i32 5
// CHECK: store ptr %[[X]], ptr %[[BLOCK_CAPTURED]], align 8
// CHECK: %[[BLOCK_CAPTURED10:.*]] = getelementptr inbounds nuw <{ ptr, i32, i32, ptr, ptr, ptr, ptr }>, ptr %[[BLOCK]], i32 0, i32 6
// CHECK: store ptr %[[Y]], ptr %[[BLOCK_CAPTURED10]], align 8

// CHECK-LABEL: define internal void @___ZN1S1mEv_block_invoke(

// The second call to block_object_assign should be an invoke.

// CHECK-LABEL: define linkonce_odr hidden void @__copy_helper_block_e8_32rc40rc(
// CHECK: call void @_Block_object_assign(
// CHECK: invoke void @_Block_object_assign(
// CHECK: call void @_Block_object_dispose(

// CHECK-LABEL: define linkonce_odr hidden void @__destroy_helper_block_e8_32r40r(
void test() {
  S s;
  s.m();
}