1 // RUN: %clang_cc1 -x c++ -emit-llvm -fshort-wchar %s -o - | FileCheck %s
2 // Runs in c++ mode so that wchar_t is available.
3 
4 int main() {
5   // This should convert to utf8.
6   // CHECK: private unnamed_addr constant [10 x i8] c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
7   char b[10] = "\u1120\u0220\U00102030";
8 
9   // CHECK: private unnamed_addr constant [3 x i16] [i16 65, i16 66, i16 0]
10   const wchar_t *foo = L"AB";
11 
12   // This should convert to utf16.
13   // CHECK: private unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0]
14   const wchar_t *bar = L"\u1120\u0220\U00102030";
15 
16 
17 
18   // Should pick second character.
19   // CHECK: store i8 98
20   char c = 'ab';
21 
22   // CHECK: store i16 97
23   wchar_t wa = L'a';
24 
25   // Should pick second character.
26   // CHECK: store i16 98
27   wchar_t wb = L'ab';
28 
29   // -4085 == 0xf00b
30   // CHECK: store i16 -4085
31   wchar_t wc = L'\uF00B';
32 
33   // Should take lower word of the 4byte UNC sequence. This does not match
34   // gcc. I don't understand what gcc does (it looks like it converts to utf16,
35   // then takes the second (!) utf16 word, swaps the lower two nibbles, and
36   // stores that?).
37   // CHECK: store i16 -4085
38   wchar_t wd = L'\U0010F00B';  // has utf16 encoding dbc8 dcb0
39 
40   // Should pick second character. (gcc: -9205)
41   // CHECK: store i16 -4085
42   wchar_t we = L'\u1234\U0010F00B';
43 }
44