forked from OSchip/llvm-project
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=C %s
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// RUN: %clang_cc1 -x c++ -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=C %s
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// RUN: %clang_cc1 -x c++ -std=c++11 -triple i386-unknown-unknown -emit-llvm %s -o - | FileCheck -check-prefix=CPP0X %s
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#include <stddef.h>
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int main() {
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// CHECK-C: store i8 97
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// CHECK-CPP0X: store i8 97
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char a = 'a';
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// Should pick second character.
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// CHECK-C: store i8 98
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// CHECK-CPP0X: store i8 98
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char b = 'ab';
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// CHECK-C: store i32 97
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// CHECK-CPP0X: store i32 97
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wchar_t wa = L'a';
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// Should pick second character.
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// CHECK-C: store i32 98
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// CHECK-CPP0X: store i32 98
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wchar_t wb = L'ab';
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#if __cplusplus >= 201103L
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// CHECK-CPP0X: store i16 97
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char16_t ua = u'a';
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// Should pick second character.
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// CHECK-CPP0X: store i16 98
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char16_t ub = u'ab';
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// CHECK-CPP0X: store i32 97
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char32_t Ua = U'a';
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// Should pick second character.
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// CHECK-CPP0X: store i32 98
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char32_t Ub = U'ab';
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#endif
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// Should pick last character and store its lowest byte.
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// This does not match gcc, which takes the last character, converts it to
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// utf8, and then picks the second-lowest byte of that (they probably store
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// the utf8 in uint16_ts internally and take the lower byte of that).
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// CHECK-C: store i8 48
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// CHECK-CPP0X: store i8 48
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char c = '\u1120\u0220\U00102030';
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// CHECK-C: store i32 61451
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// CHECK-CPP0X: store i32 61451
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wchar_t wc = L'\uF00B';
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#if __cplusplus >= 201103L
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// -4085 == 0xf00b
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// CHECK-CPP0X: store i16 -4085
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char16_t uc = u'\uF00B';
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// CHECK-CPP0X: store i32 61451
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char32_t Uc = U'\uF00B';
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#endif
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// CHECK-C: store i32 1110027
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// CHECK-CPP0X: store i32 1110027
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wchar_t wd = L'\U0010F00B';
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#if __cplusplus >= 201103L
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// Should take lower word of the 4byte UNC sequence. This does not match
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// gcc. I don't understand what gcc does (it looks like it converts to utf16,
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// then takes the second (!) utf16 word, swaps the lower two nibbles, and
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// stores that?).
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// CHECK-CPP0X: store i16 -4085
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char16_t ud = u'\U0010F00B'; // has utf16 encoding dbc8 dcb0
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// CHECK-CPP0X: store i32 1110027
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char32_t Ud = U'\U0010F00B';
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#endif
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// Should pick second character.
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// CHECK-C: store i32 1110027
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// CHECK-CPP0X: store i32 1110027
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wchar_t we = L'\u1234\U0010F00B';
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#if __cplusplus >= 201103L
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// Should pick second character.
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// CHECK-CPP0X: store i16 -4085
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char16_t ue = u'\u1234\U0010F00B';
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// Should pick second character.
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// CHECK-CPP0X: store i32 1110027
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char32_t Ue = U'\u1234\U0010F00B';
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#endif
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}
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