File: block-capture.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (15 lines) | stat: -rw-r--r-- 768 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
// RUN: %clang_cc1 -x c++ -std=c++11 -fblocks -emit-llvm %s -o - | FileCheck %s

// CHECK: %struct.__block_byref_baz = type { i8*, %struct.__block_byref_baz*, i32, i32, i32 }
// CHECK: [[baz:%[0-9a-z_]*]] = alloca %struct.__block_byref_baz
// CHECK: [[bazref:%[0-9a-z_\.]*]] = getelementptr inbounds %struct.__block_byref_baz, %struct.__block_byref_baz* [[baz]], i32 0, i32 1
// CHECK: store %struct.__block_byref_baz* [[baz]], %struct.__block_byref_baz** [[bazref]]
// CHECK: bitcast %struct.__block_byref_baz* [[baz]] to i8*
// CHECK: [[disposable:%[0-9a-z_]*]] = bitcast %struct.__block_byref_baz* [[baz]] to i8*
// CHECK: call void @_Block_object_dispose(i8* [[disposable]]

int main() {
  __block int baz = [&]() { return 0; }();
  ^{ (void)baz; };
  return 0;
}