--- /dev/null
+// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -o - -emit-llvm -debug-info-kind=limited %s | FileCheck %s --check-prefix=LINUX
+// RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -o - -emit-llvm -debug-info-kind=limited %s | FileCheck %s --check-prefix=WINDOWS
+// RUN: %clang_cc1 -triple i386-pc-linux-gnu -o - -emit-llvm -debug-info-kind=limited %s | FileCheck %s --check-prefix=LINUX32
+// RUN: %clang_cc1 -triple armv7--linux-gnueabihf -o - -emit-llvm -debug-info-kind=limited %s | FileCheck %s --check-prefix=ARM
+
+// enum CallingConv {
+// CC_C, // __attribute__((cdecl))
+// CC_X86StdCall, // __attribute__((stdcall))
+// CC_X86FastCall, // __attribute__((fastcall))
+// CC_X86ThisCall, // __attribute__((thiscall))
+// CC_X86VectorCall, // __attribute__((vectorcall))
+// CC_X86Pascal, // __attribute__((pascal))
+// CC_Win64, // __attribute__((ms_abi))
+// CC_X86_64SysV, // __attribute__((sysv_abi))
+// CC_X86RegCall, // __attribute__((regcall))
+// CC_AAPCS, // __attribute__((pcs("aapcs")))
+// CC_AAPCS_VFP, // __attribute__((pcs("aapcs-vfp")))
+// CC_IntelOclBicc, // __attribute__((intel_ocl_bicc))
+// CC_SpirFunction, // default for OpenCL functions on SPIR target
+// CC_OpenCLKernel, // inferred for OpenCL kernels
+// CC_Swift, // __attribute__((swiftcall))
+// CC_PreserveMost, // __attribute__((preserve_most))
+// CC_PreserveAll, // __attribute__((preserve_all))
+// };
+
+#ifdef __x86_64__
+
+#ifdef __linux__
+// LINUX: !DISubprogram({{.*}}"add_msabi", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_Win64,
+__attribute__((ms_abi)) int add_msabi(int a, int b) {
+ return a+b;
+}
+
+// LINUX: !DISubprogram({{.*}}"add_regcall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_X86RegCall,
+__attribute__((regcall)) int add_regcall(int a, int b) {
+ return a+b;
+}
+
+// LINUX: !DISubprogram({{.*}}"add_preserve_most", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_PreserveMost,
+__attribute__((preserve_most)) int add_preserve_most(int a, int b) {
+ return a+b;
+}
+
+// LINUX: !DISubprogram({{.*}}"add_preserve_all", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_PreserveAll,
+__attribute__((preserve_all)) int add_preserve_all(int a, int b) {
+ return a+b;
+}
+
+// LINUX: !DISubprogram({{.*}}"add_swiftcall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_Swift,
+__attribute__((swiftcall)) int add_swiftcall(int a, int b) {
+ return a+b;
+}
+
+// LINUX: !DISubprogram({{.*}}"add_inteloclbicc", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_IntelOclBicc,
+__attribute__((intel_ocl_bicc)) int add_inteloclbicc(int a, int b) {
+ return a+b;
+}
+#endif
+
+#ifdef _WIN64
+// WINDOWS: !DISubprogram({{.*}}"add_sysvabi", {{.*}}type: ![[FTY:[0-9]+]]
+// WINDOWS: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_X86_64SysV,
+__attribute__((sysv_abi)) int add_sysvabi(int a, int b) {
+ return a+b;
+}
+#endif
+
+#endif
+
+#ifdef __i386__
+// LINUX32: !DISubprogram({{.*}}"add_stdcall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX32: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_BORLAND_stdcall,
+__attribute__((stdcall)) int add_stdcall(int a, int b) {
+ return a+b;
+}
+
+// LINUX32: !DISubprogram({{.*}}"add_fastcall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX32: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_BORLAND_msfastcall,
+__attribute__((fastcall)) int add_fastcall(int a, int b) {
+ return a+b;
+}
+
+// LINUX32: !DISubprogram({{.*}}"add_thiscall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX32: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_BORLAND_thiscall,
+__attribute__((thiscall)) int add_thiscall(int a, int b) {
+ return a+b;
+}
+
+// LINUX32: !DISubprogram({{.*}}"add_vectorcall", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX32: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_vectorcall,
+__attribute__((vectorcall)) int add_vectorcall(int a, int b) {
+ return a+b;
+}
+
+// LINUX32: !DISubprogram({{.*}}"add_pascal", {{.*}}type: ![[FTY:[0-9]+]]
+// LINUX32: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_BORLAND_pascal,
+__attribute__((pascal)) int add_pascal(int a, int b) {
+ return a+b;
+}
+#endif
+
+#ifdef __arm__
+// ARM: !DISubprogram({{.*}}"add_aapcs", {{.*}}type: ![[FTY:[0-9]+]]
+// ARM: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_AAPCS,
+__attribute__((pcs("aapcs"))) int add_aapcs(int a, int b) {
+ return a+b;
+}
+
+// ARM: !DISubprogram({{.*}}"add_aapcs_vfp", {{.*}}type: ![[FTY:[0-9]+]]
+// ARM: ![[FTY]] = !DISubroutineType({{.*}}cc: DW_CC_LLVM_AAPCS_VFP,
+__attribute__((pcs("aapcs-vfp"))) int add_aapcs_vfp(int a, int b) {
+ return a+b;
+}
+#endif