third_party/llvm-project/clang/test/CodeGenObjC/local-static-block.m

// RUN: %clang_cc1 -fblocks -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 -emit-llvm %s -o %t-64.ll
// RUN: FileCheck -check-prefix CHECK-LP64 --input-file=%t-64.ll %s
// rdar: // 8390455

@class NSArray;

static  NSArray *(^ArrayRecurs)(NSArray *addresses, unsigned long level) = ^(NSArray *addresses, unsigned long level) {

  for(id rawAddress in addresses)
  {
   NSArray *separatedAddresses = ((NSArray*)0);
   separatedAddresses = ArrayRecurs((NSArray *)rawAddress, level+1);
  }
  return (NSArray *)0;
};

extern NSArray *address;
extern unsigned long level;

void FUNC()
{
 ArrayRecurs(address, level);

 static  NSArray *(^ArrayRecurs)(NSArray *addresses, unsigned long level) = ^(NSArray *addresses, unsigned long level) {

  for(id rawAddress in addresses)
  {
   NSArray *separatedAddresses = ((NSArray*)0);
   separatedAddresses = ArrayRecurs((NSArray *)rawAddress, level+1);
  }
  return (NSArray *)0;
 };
 ArrayRecurs(address, level);

 if (ArrayRecurs) {
   static  NSArray *(^ArrayRecurs)(NSArray *addresses, unsigned long level) = ^(NSArray *addresses, unsigned long level) {

     for(id rawAddress in addresses)
     {
       NSArray *separatedAddresses = ((NSArray*)0);
       separatedAddresses = ArrayRecurs((NSArray *)rawAddress, level+1);
     }
     return (NSArray *)0;
   };
   ArrayRecurs(address, level);
 }
}

void FUNC2() {
  static void (^const block1)(int) = ^(int a){
    if (a--)
      block1(a);
  };
}

// CHECK-LABEL-LP64: define void @FUNC2(
// CHECK: define internal void @_block_invoke{{.*}}(
// CHECK: call void %{{.*}}(i8* bitcast ({ i8**, i32, i32, i8*, %struct.__block_descriptor* }* @__block_literal_global{{.*}} to i8*), i32 %{{.*}})

void FUNC1()
{
 static  NSArray *(^ArrayRecurs)(NSArray *addresses, unsigned long level) = ^(NSArray *addresses, unsigned long level) {

  for(id rawAddress in addresses)
  {
   NSArray *separatedAddresses = ((NSArray*)0);
   separatedAddresses = ArrayRecurs((NSArray *)rawAddress, level+1);
  }
  return (NSArray *)0;
 };
 ArrayRecurs(address, level);
}
// CHECK-LP64: @ArrayRecurs = internal global
// CHECK-LP64: @FUNC.ArrayRecurs = internal global
// CHECK-LP64: @FUNC.ArrayRecurs.1 = internal global
// CHECK-LP64: @FUNC1.ArrayRecurs = internal global