xref: /aosp_15_r20/external/clang/test/CodeGen/char-literal.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C %s
2*67e74705SXin Li // RUN: %clang_cc1 -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C %s
3*67e74705SXin Li // RUN: %clang_cc1 -x c++ -std=c++11 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-CPP0X %s
4*67e74705SXin Li 
5*67e74705SXin Li #include <stddef.h>
6*67e74705SXin Li 
main()7*67e74705SXin Li int main() {
8*67e74705SXin Li   // CHECK-C: store i8 97
9*67e74705SXin Li   // CHECK-CPP0X: store i8 97
10*67e74705SXin Li   char a = 'a';
11*67e74705SXin Li 
12*67e74705SXin Li   // Should truncate value (equal to last character).
13*67e74705SXin Li   // CHECK-C: store i8 98
14*67e74705SXin Li   // CHECK-CPP0X: store i8 98
15*67e74705SXin Li   char b = 'ab';
16*67e74705SXin Li 
17*67e74705SXin Li   // Should get concatenated characters
18*67e74705SXin Li   // CHECK-C: store i32 24930
19*67e74705SXin Li   // CHECK-CPP0X: store i32 24930
20*67e74705SXin Li   int b1 = 'ab';
21*67e74705SXin Li 
22*67e74705SXin Li   // Should get concatenated characters
23*67e74705SXin Li   // CHECK-C: store i32 808464432
24*67e74705SXin Li   // CHECK-CPP0X: store i32 808464432
25*67e74705SXin Li   int b2 = '0000';
26*67e74705SXin Li 
27*67e74705SXin Li   // Should get truncated value (last four characters concatenated)
28*67e74705SXin Li   // CHECK-C: store i32 1919512167
29*67e74705SXin Li   // CHECK-CPP0X: store i32 1919512167
30*67e74705SXin Li   int b3 = 'somesillylongstring';
31*67e74705SXin Li 
32*67e74705SXin Li   // CHECK-C: store i32 97
33*67e74705SXin Li   // CHECK-CPP0X: store i32 97
34*67e74705SXin Li   wchar_t wa = L'a';
35*67e74705SXin Li 
36*67e74705SXin Li   // Should pick second character.
37*67e74705SXin Li   // CHECK-C: store i32 98
38*67e74705SXin Li   // CHECK-CPP0X: store i32 98
39*67e74705SXin Li   wchar_t wb = L'ab';
40*67e74705SXin Li 
41*67e74705SXin Li #if __cplusplus >= 201103L
42*67e74705SXin Li   // CHECK-CPP0X: store i16 97
43*67e74705SXin Li   char16_t ua = u'a';
44*67e74705SXin Li 
45*67e74705SXin Li   // CHECK-CPP0X: store i32 97
46*67e74705SXin Li   char32_t Ua = U'a';
47*67e74705SXin Li 
48*67e74705SXin Li   // CHECK-CPP0X: store i16 1047
49*67e74705SXin Li   char16_t ua1 = u'З';
50*67e74705SXin Li   // CHECK-CPP0X: store i16 12538
51*67e74705SXin Li   char16_t ua2 = u'ヺ';
52*67e74705SXin Li   // CHECK-CPP0X: store i16 -27177
53*67e74705SXin Li   char16_t ua3 = u'闗';
54*67e74705SXin Li 
55*67e74705SXin Li   // CHECK-CPP0X: store i32 181
56*67e74705SXin Li   char32_t Ua1 = U'µ';
57*67e74705SXin Li   // CHECK-CPP0X: store i32 38359
58*67e74705SXin Li   char32_t Ua2 = U'闗';
59*67e74705SXin Li   // CHECK-CPP0X: store i32 128128
60*67e74705SXin Li   char32_t Ua3 = U'��';
61*67e74705SXin Li 
62*67e74705SXin Li #endif
63*67e74705SXin Li 
64*67e74705SXin Li   // CHECK-C: store i32 61451
65*67e74705SXin Li   // CHECK-CPP0X: store i32 61451
66*67e74705SXin Li   wchar_t wc = L'\uF00B';
67*67e74705SXin Li 
68*67e74705SXin Li #if __cplusplus >= 201103L
69*67e74705SXin Li   // -4085 == 0xf00b
70*67e74705SXin Li   // CHECK-CPP0X: store i16 -4085
71*67e74705SXin Li   char16_t uc = u'\uF00B';
72*67e74705SXin Li 
73*67e74705SXin Li   // CHECK-CPP0X: store i32 61451
74*67e74705SXin Li   char32_t Uc = U'\uF00B';
75*67e74705SXin Li #endif
76*67e74705SXin Li 
77*67e74705SXin Li   // CHECK-C: store i32 1110027
78*67e74705SXin Li   // CHECK-CPP0X: store i32 1110027
79*67e74705SXin Li   wchar_t wd = L'\U0010F00B';
80*67e74705SXin Li 
81*67e74705SXin Li #if __cplusplus >= 201103L
82*67e74705SXin Li   // CHECK-CPP0X: store i32 1110027
83*67e74705SXin Li   char32_t Ud = U'\U0010F00B';
84*67e74705SXin Li #endif
85*67e74705SXin Li 
86*67e74705SXin Li   // Should pick second character.
87*67e74705SXin Li   // CHECK-C: store i32 1110027
88*67e74705SXin Li   // CHECK-CPP0X: store i32 1110027
89*67e74705SXin Li   wchar_t we = L'\u1234\U0010F00B';
90*67e74705SXin Li }
91