File: nrvo.mm

package info (click to toggle)
llvm-toolchain-3.4 1%3A3.4.2-13
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 253,236 kB
  • ctags: 276,203
  • sloc: cpp: 1,665,580; ansic: 298,647; asm: 206,157; objc: 84,350; python: 73,119; sh: 23,466; perl: 5,679; makefile: 5,542; ml: 5,250; pascal: 2,467; lisp: 1,420; xml: 679; cs: 236; csh: 117
file content (32 lines) | stat: -rw-r--r-- 627 bytes parent folder | download | duplicates (14)
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
// RUN: %clang_cc1 -emit-llvm -o - -fblocks %s -O1 -triple x86_64-apple-darwin10.0.0 -fobjc-runtime=macosx-fragile-10.5 | FileCheck %s

// PR10835 / <rdar://problem/10050178>
struct X {
  X();
  X(const X&);
  ~X();
};

@interface NRVO
@end

@implementation NRVO
// CHECK: define internal void @"\01-[NRVO getNRVO]"
- (X)getNRVO { 
  X x;
  // CHECK: tail call void @_ZN1XC1Ev
  // CHECK-NEXT: ret void
  return x;
}
@end

X blocksNRVO() {
  return ^{
    // CHECK-LABEL: define internal void @___Z10blocksNRVOv_block_invoke
    X x;
    // CHECK: tail call void @_ZN1XC1Ev
    // CHECK-NEXT: ret void
    return x;
  }() ;
}