File: cfstring.c

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.0-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,235,796 kB
  • sloc: cpp: 7,617,614; ansic: 1,433,901; asm: 1,058,726; python: 252,096; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,032; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,401; javascript: 2,272; xml: 892; fortran: 770
file content (25 lines) | stat: -rw-r--r-- 974 bytes parent folder | download | duplicates (9)
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
// REQUIRES: x86-registered-target

// RUN: %clang_cc1 -triple x86_64-macho -emit-llvm %s -o %t
// RUN: %clang_cc1 -triple x86_64-macho -emit-llvm %s -o %t -fexperimental-new-constant-interpreter

// Check that the backing store of CFStrings are constant with the
// -fwritable-strings flag.
//
// RUN: %clang_cc1 -triple x86_64-macho -fwritable-strings -emit-llvm %s -o - | FileCheck %s
//
// CHECK: @.str = private unnamed_addr constant [14 x i8] c"Hello, World!\00", section "__TEXT,__cstring,cstring_literals", align 1
// CHECK: @.str.1 = private unnamed_addr constant [7 x i8] c"yo joe\00", section "__TEXT,__cstring,cstring_literals", align 1
// CHECK: @.str.3 = private unnamed_addr constant [16 x i8] c"Goodbye, World!\00", section "__TEXT,__cstring,cstring_literals", align 1

#define CFSTR __builtin___CFStringMakeConstantString

void f(void) {
  CFSTR("Hello, World!");
}

void *G = CFSTR("yo joe");

void h(void) {
  static void* h = CFSTR("Goodbye, World!");
}