Add support for UCNs for character literals
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116129 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/string-literal-short-wstring.c b/test/CodeGen/string-literal-short-wstring.c
index de84953..be1f1dd 100644
--- a/test/CodeGen/string-literal-short-wstring.c
+++ b/test/CodeGen/string-literal-short-wstring.c
@@ -1,4 +1,5 @@
-// RUN: %clang_cc1 -emit-llvm -fshort-wchar %s -o - | FileCheck %s
+// RUN: %clang_cc1 -x c++ -emit-llvm -fshort-wchar %s -o - | FileCheck %s
+// Runs in c++ mode so that wchar_t is available.
int main() {
// This should convert to utf8.
@@ -6,9 +7,37 @@
char b[10] = "\u1120\u0220\U00102030";
// CHECK: private constant [6 x i8] c"A\00B\00\00\00"
- void *foo = L"AB";
+ const wchar_t *foo = L"AB";
// This should convert to utf16.
// CHECK: private constant [10 x i8] c" \11 \02\C8\DB0\DC\00\00"
- void *bar = L"\u1120\u0220\U00102030";
+ const wchar_t *bar = L"\u1120\u0220\U00102030";
+
+
+
+ // Should pick second character.
+ // CHECK: store i8 98
+ char c = 'ab';
+
+ // CHECK: store i16 97
+ wchar_t wa = L'a';
+
+ // Should pick second character.
+ // CHECK: store i16 98
+ wchar_t wb = L'ab';
+
+ // -4085 == 0xf00b
+ // CHECK: store i16 -4085
+ wchar_t wc = L'\uF00B';
+
+ // Should take lower word of the 4byte UNC sequence. This does not match
+ // gcc. I don't understand what gcc does (it looks like it converts to utf16,
+ // then takes the second (!) utf16 word, swaps the lower two nibbles, and
+ // stores that?).
+ // CHECK: store i16 -4085
+ wchar_t wd = L'\U0010F00B'; // has utf16 encoding dbc8 dcb0
+
+ // Should pick second character. (gcc: -9205)
+ // CHECK: store i16 -4085
+ wchar_t we = L'\u1234\U0010F00B';
}