================
@@ -0,0 +1,56 @@
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir
-emit-cir %s -o %t.cir
+// RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -fclangir
-emit-llvm %s -o %t-cir.ll
+// RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s
+// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-linux-gnu -emit-llvm %s
-o %t.ll
+// RUN: FileCheck --check-prefix=OGCG --input-file=%t.ll %s
+
+const char16_t *test_utf16() {
+ return u"你好世界";
+}
+
+// CIR: cir.global "private" constant cir_private dso_local @{{.+}} =
#cir.const_array<[#cir.int<20320> : !u16i, #cir.int<22909> : !u16i,
#cir.int<19990> : !u16i, #cir.int<30028> : !u16i, #cir.int<0> : !u16i]> :
!cir.array<!u16i x 5>
+// LLVM: @{{.+}} = private constant [5 x i16] [i16 20320, i16 22909, i16
19990, i16 30028, i16 0]
+// OGCG: @{{.+}} = private unnamed_addr constant [5 x i16] [i16 20320, i16
22909, i16 19990, i16 30028, i16 0]
+
+const char32_t *test_utf32() {
+ return U"你好世界";
+}
+
+// CIR: cir.global "private" constant cir_private dso_local @{{.+}} =
#cir.const_array<[#cir.int<20320> : !u32i, #cir.int<22909> : !u32i,
#cir.int<19990> : !u32i, #cir.int<30028> : !u32i, #cir.int<0> : !u32i]> :
!cir.array<!u32i x 5>
+// LLVM: @{{.+}} = private constant [5 x i32] [i32 20320, i32 22909, i32
19990, i32 30028, i32 0]
+// OGCG: @{{.+}} = private unnamed_addr constant [5 x i32] [i32 20320, i32
22909, i32 19990, i32 30028, i32 0]
+
+const char16_t *test_zero16() {
+ return u"\0\0\0\0";
+}
+
+// CIR: cir.global "private" constant cir_private dso_local @{{.+}} =
#cir.zero : !cir.array<!u16i x 5>
+// LLVM: @{{.+}} = private constant [5 x i16] zeroinitializer
+// OGCG: @{{.+}} = private unnamed_addr constant [5 x i16] zeroinitializer
+
+const char32_t *test_zero32() {
+ return U"\0\0\0\0";
+}
+
+// CIR: cir.global "private" constant cir_private dso_local @{{.+}} =
#cir.zero : !cir.array<!u32i x 5>
+// LLVM: @{{.+}} = private constant [5 x i32] zeroinitializer
+// OGCG: @{{.+}} = private unnamed_addr constant [5 x i32] zeroinitializer
+
+#include <stddef.h>
+
+const wchar_t *test_wchar() {
+ return L"1234";
+}
+
+// CIR: cir.global "private" constant cir_private dso_local @{{.+}} =
#cir.const_array<[#cir.int<49> : !s32i, #cir.int<50> : !s32i, #cir.int<51> :
!s32i, #cir.int<52> : !s32i, #cir.int<0> : !s32i]> : !cir.array<!s32i x 5>
+// LLVM: @{{.+}} = private constant [5 x i32] [i32 49, i32 50, i32 51, i32 52,
i32 0]
+// OGCG: @{{.+}} = private unnamed_addr constant [5 x i32] [i32 49, i32 50,
i32 51, i32 52, i32 0]
+
+const wchar_t *test_wchar_zero() {
+ return L"";
+}
+
----------------
andykaylor wrote:
Can you add test cases using `typedef __CHAR16_TYPE__ char16_t;`?
https://github.com/llvm/llvm-project/pull/171541
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