clang/test/CodeGen/global-blocks-win32.c

   1 // RUN: %clang_cc1 -no-opaque-pointers -fblocks -triple i386-pc-windows-msvc %s -emit-llvm -o - -fblocks | FileCheck %s
   2
   3
   4 int (^x)(void) = ^() { return 21; };
   5
   6
   7 // Check that the block literal is emitted with a null isa pointer
   8 // CHECK: @__block_literal_global = internal global { i8**, i32, i32, i8*, %struct.__block_descriptor* } { i8** null,
   9
  10 // Check that _NSConcreteGlobalBlock has the correct dllimport specifier.
  11 // CHECK: @_NSConcreteGlobalBlock = external dllimport global i8*
  12 // Check that we create an initialiser pointer in the correct section (early library initialisation).
  13 // CHECK: @.block_isa_init_ptr = internal constant void ()* @.block_isa_init, section ".CRT$XCLa"
  14
  15 // Check that we emit an initialiser for it.
  16 // CHECK: define internal void @.block_isa_init() {
  17 // CHECK: store i8** @_NSConcreteGlobalBlock, i8*** getelementptr inbounds ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }, { i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global, i32 0, i32 0), align 4
  18