File: blocks-2.m

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.6-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,304 kB
  • sloc: cpp: 7,438,677; ansic: 1,393,822; asm: 1,012,926; python: 241,650; f90: 86,635; objc: 75,479; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (36 lines) | stat: -rw-r--r-- 1,353 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
// We run this twice, once as Objective-C and once as Objective-C++.
// RUN: %clang_cc1 %s -emit-llvm -o - -fobjc-gc -fblocks -fexceptions -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 | FileCheck %s
// RUN: %clang_cc1 %s -emit-llvm -o - -fobjc-gc -fblocks -fexceptions -triple i386-apple-darwin10 -fobjc-runtime=macosx-fragile-10.5 -x objective-c++ | FileCheck %s


// CHECK: define{{.*}} ptr @{{.*}}test0
// CHECK: define internal void @{{.*}}_block_invoke(
// CHECK:      call ptr @objc_assign_strongCast(
// CHECK-NEXT: ret void
id test0(id x) {
  __block id result;
  ^{ result = x; }();
  return result;
}

// cleanup __block variables on EH path
// CHECK: define{{.*}} void @{{.*}}test1
void test1(void) {
  extern void test1_help(void (^x)(void));

  // CHECK:      [[N:%.*]] = alloca [[N_T:%.*]], align 8
  // CHECK:      [[T0:%.*]] = getelementptr inbounds nuw [[N_T]], ptr [[N]], i32 0, i32 4
  // CHECK-NEXT: store double 1.000000e+{{0?}}01, ptr [[T0]], align 8
  __block double n = 10;

  // CHECK:      invoke void @{{.*}}test1_help
  test1_help(^{ n = 20; });

  // CHECK: call void @_Block_object_dispose(ptr [[N]], i32 8)
  // CHECK-NEXT: ret void

  // CHECK:      landingpad { ptr, i32 }
  // CHECK-NEXT:   cleanup
  // CHECK: call void @_Block_object_dispose(ptr [[N]], i32 8)
  // CHECK:      resume { ptr, i32 }
}