clang/test/CodeGen/string-literal.c

   1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C %s
   2 // RUN: %clang_cc1 -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C %s
   3 // RUN: %clang_cc1 -x c++ -std=c++11 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-CXX11 %s
   4 // RUN: %clang_cc1 -x c -std=c11 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C11 %s
   5
   6 #include <stddef.h>
   7
   8 #ifndef __cplusplus
   9 typedef __WCHAR_TYPE__ wchar_t;
  10 typedef __CHAR16_TYPE__ char16_t;
  11 typedef __CHAR32_TYPE__ char32_t;
  12 #endif
  13
  14 int main(void) {
  15   // CHECK-C: private unnamed_addr constant [10 x i8] c"abc\00\00\00\00\00\00\00", align 1
  16   // CHECK-C11: private unnamed_addr constant [10 x i8] c"abc\00\00\00\00\00\00\00", align 1
  17   // CHECK-CXX11: private unnamed_addr constant [10 x i8] c"abc\00\00\00\00\00\00\00", align 1
  18   char a[10] = "abc";
  19
  20   // This should convert to utf8.
  21   // CHECK-C: private unnamed_addr constant [10 x i8] c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
  22   // CHECK-C11: private unnamed_addr constant [10 x i8] c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
  23   // CHECK-CXX11: private unnamed_addr constant [10 x i8] c"\E1\84\A0\C8\A0\F4\82\80\B0\00", align 1
  24   char b[10] = "\u1120\u0220\U00102030";
  25
  26   // CHECK-C: private unnamed_addr constant [3 x i32] [i32 65, i32 66, i32 0], align 4
  27   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 65, i32 66, i32 0], align 4
  28   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 65, i32 66, i32 0], align 4
  29   const wchar_t *foo = L"AB";
  30
  31   // CHECK-C: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110027, i32 0], align 4
  32   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110027, i32 0], align 4
  33   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110027, i32 0], align 4
  34   const wchar_t *bar = L"\u1234\U0010F00B";
  35
  36   // CHECK-C: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110028, i32 0], align 4
  37   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110028, i32 0], align 4
  38   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4660, i32 1110028, i32 0], align 4
  39   const wchar_t *baz = L"\u1234" "\U0010F00C";
  40
  41 #if __cplusplus >= 201103L || __STDC_VERSION__ >= 201112L
  42   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 67, i32 68, i32 0], align 4
  43   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 67, i32 68, i32 0], align 4
  44   const char32_t *c = U"CD";
  45
  46   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4661, i32 1110028, i32 0], align 4
  47   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4661, i32 1110028, i32 0], align 4
  48   const char32_t *d = U"\u1235\U0010F00C";
  49
  50   // CHECK-C11: private unnamed_addr constant [3 x i32] [i32 4661, i32 1110027, i32 0], align 4
  51   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 4661, i32 1110027, i32 0], align 4
  52   const char32_t *o = "\u1235" U"\U0010F00B";
  53
  54   // CHECK-C11: private unnamed_addr constant [3 x i16] [i16 69, i16 70, i16 0], align 2
  55   // CHECK-CXX11: private unnamed_addr constant [3 x i16] [i16 69, i16 70, i16 0], align 2
  56   const char16_t *e = u"EF";
  57
  58   // This should convert to utf16.
  59   // CHECK-C11: private unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0], align 2
  60   // CHECK-CXX11: private unnamed_addr constant [5 x i16] [i16 4384, i16 544, i16 -9272, i16 -9168, i16 0], align 2
  61   const char16_t *f = u"\u1120\u0220\U00102030";
  62
  63   // This should convert to utf16.
  64   // CHECK-C11: private unnamed_addr constant [5 x i16] [i16 4384, i16 800, i16 -9272, i16 -9168, i16 0], align 2
  65   // CHECK-CXX11: private unnamed_addr constant [5 x i16] [i16 4384, i16 800, i16 -9272, i16 -9168, i16 0], align 2
  66   const char16_t *p = u"\u1120\u0320" "\U00102030";
  67
  68   // CHECK-C11: private unnamed_addr constant [4 x i8] c"def\00", align 1
  69   // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"def\00", align 1
  70   const char *g = u8"def";
  71
  72 #ifdef __cplusplus
  73   // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"ghi\00", align 1
  74   const char *h = R"foo(ghi)foo";
  75
  76   // CHECK-CXX11: private unnamed_addr constant [4 x i8] c"jkl\00", align 1
  77   const char *i = u8R"bar(jkl)bar";
  78
  79   // CHECK-CXX11: private unnamed_addr constant [3 x i16] [i16 71, i16 72, i16 0], align 2
  80   const char16_t *j = uR"foo(GH)foo";
  81
  82   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 73, i32 74, i32 0], align 4
  83   const char32_t *k = UR"bar(IJ)bar";
  84
  85   // CHECK-CXX11: private unnamed_addr constant [3 x i32] [i32 75, i32 76, i32 0], align 4
  86   const wchar_t *l = LR"bar(KL)bar";
  87
  88   // CHECK-CXX11: private unnamed_addr constant [9 x i8] c"abc\\ndef\00", align 1
  89   const char *m = R"(abc\ndef)";
  90
  91   // CHECK-CXX11: private unnamed_addr constant [8 x i8] c"abc\0Adef\00", align 1
  92   const char *n = R"(abc
  93 def)";
  94
  95   // CHECK-CXX11: private unnamed_addr constant [11 x i8] c"abc\0Adefghi\00", align 1
  96   const char *q = R"(abc
  97 def)" "ghi";
  98
  99   // CHECK-CXX11: private unnamed_addr constant [13 x i8] c"abc\\\0A??=\0Adef\00", align 1
 100   const char *r = R\
 101 "(abc\
 102 ??=
 103 def)";
 104
 105   // CHECK-CXX11: private unnamed_addr constant [13 x i8] c"def\\\0A??=\0Aabc\00", align 1
 106   const char *s = u8R\
 107 "(def\
 108 ??=
 109 abc)";
 110
 111   // CHECK-CXX11: private unnamed_addr constant [13 x i16] [i16 97, i16 98, i16 99, i16 92, i16 10, i16 63, i16 63, i16 61, i16 10, i16 100, i16 101, i16 102, i16 0], align 2
 112   const char16_t *t = uR\
 113 "(abc\
 114 ??=
 115 def)";
 116
 117   // CHECK-CXX11: private unnamed_addr constant [13 x i32] [i32 97, i32 98, i32 99, i32 92, i32 10, i32 63, i32 63, i32 61, i32 10, i32 100, i32 101, i32 102, i32 0], align 4
 118   const char32_t *u = UR\
 119 "(abc\
 120 ??=
 121 def)";
 122
 123   // CHECK-CXX11: private unnamed_addr constant [13 x i32] [i32 100, i32 101, i32 102, i32 92, i32 10, i32 63, i32 63, i32 61, i32 10, i32 97, i32 98, i32 99, i32 0], align 4
 124   const wchar_t *v = LR\
 125 "(def\
 126 ??=
 127 abc)";
 128
 129 #endif
 130 #endif
 131 }