llvm-project/clang/test/CodeGen/string-literal-unicode-conversion.c

// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-C %s
// RUN: %clang_cc1 -x c++ -std=c++0x -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-CPP0X %s
// RUN: %clang_cc1 -x c++ -std=c++0x -fshort-wchar -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CHECK-SHORTWCHAR %s

// This file contains a mix of ISO-8859-1 and UTF-8 encoded data.
// the literal assigned to 'aa' should be the ISO-8859-1 encoding for the code
// points U+00C0 U+00E9 U+00EE U+00F5 U+00FC

// The rest of the literals should contain the UTF-8 encoding for U+041A U+043E
// U+0448 U+043A U+0430

#ifndef __cplusplus
#include <stddef.h>
#endif

#ifdef __cplusplus
extern "C"
#endif
void f() {
  // CHECK-C: private unnamed_addr constant [6 x i8] c"\C0\E9\EE\F5\FC\00", align 1
  // CHECK-CPP0X: private unnamed_addr constant [6 x i8] c"\C0\E9\EE\F5\FC\00", align 1
  char const *aa = "<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
  
  // CHECK-C: private unnamed_addr constant [11 x i8] c"\D0\9A\D0\BE\D1\88\D0\BA\D0\B0\00", align 1
  // CHECK-CPP0X: private unnamed_addr constant [11 x i8] c"\D0\9A\D0\BE\D1\88\D0\BA\D0\B0\00", align 1
  char const *a = "Кошка";
  
  // CHECK-C: private unnamed_addr constant [6 x i32] [i32 1050, i32 1086, i32 1096, i32 1082, i32 1072, i32 0], align 4
  // CHECK-SHORTWCHAR: private unnamed_addr constant [6 x i16] [i16 1050, i16 1086, i16 1096, i16 1082, i16 1072, i16 0], align 2
  // CHECK-CPP0X: private unnamed_addr constant [6 x i32] [i32 1050, i32 1086, i32 1096, i32 1082, i32 1072, i32 0], align 4
  wchar_t const *b = L"Кошка";

  // CHECK-C: private unnamed_addr constant [4 x i32] [i32 20320, i32 22909, i32 66304, i32 0], align 4
  // CHECK-CPP0X: private unnamed_addr constant [4 x i32] [i32 20320, i32 22909, i32 66304, i32 0], align 4
#if __WCHAR_MAX__ == 2147483647
  wchar_t const *b2 = L"\x4f60\x597d\x10300";
#endif

#if __cplusplus >= 201103L
  
  // CHECK-CPP0X: private unnamed_addr constant [12 x i8] c"1\D0\9A\D0\BE\D1\88\D0\BA\D0\B0\00", align 1
  char const *c = u8"1Кошка";
    
  // CHECK-CPP0X: private unnamed_addr constant [7 x i16] [i16 50, i16 1050, i16 1086, i16 1096, i16 1082, i16 1072, i16 0], align 2
  char16_t const *e = u"2Кошка";
  
  // CHECK-CPP0X: private unnamed_addr constant [7 x i32] [i32 51, i32 1050, i32 1086, i32 1096, i32 1082, i32 1072, i32 0], align 4
  char32_t const *f = U"3Кошка";

  // CHECK-CPP0X: private unnamed_addr constant [12 x i8] c"4\D0\9A\D0\BE\D1\88\D0\BA\D0\B0\00", align 1
  char const *d = u8R"(4Кошка)";
  
  // CHECK-CPP0X: private unnamed_addr constant [7 x i16] [i16 53, i16 1050, i16 1086, i16 1096, i16 1082, i16 1072, i16 0], align 2
  char16_t const *g = uR"(5Кошка)";
  
  // CHECK-CPP0X: private unnamed_addr constant [7 x i32] [i32 54, i32 1050, i32 1086, i32 1096, i32 1082, i32 1072, i32 0], align 4
  char32_t const *h = UR"(6Кошка)";
  
  // CHECK-SHORTWCHAR: private unnamed_addr constant [7 x i16] [i16 55, i16 1050, i16 1086, i16 1096, i16 1082, i16 1072, i16 0], align 2
  // CHECK-CPP0X: private unnamed_addr constant [7 x i32] [i32 55, i32 1050, i32 1086, i32 1096, i32 1082, i32 1072, i32 0], align 4
  wchar_t const *i = LR"(7Кошка)";
  
#endif
}