r310982 - Add test that we get the correct calling convention and mangling for va_list.

[Richard Smith via cfe-commits]

Author: rsmith
Date: Tue Aug 15 18:46:46 2017
New Revision: 310982

URL: http://llvm.org/viewvc/llvm-project?rev=310982&view=rev
Log:
Add test that we get the correct calling convention and mangling for va_list.

Added:
    cfe/trunk/test/Headers/stdarg.cpp

Added: cfe/trunk/test/Headers/stdarg.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Headers/stdarg.cpp?rev=310982&view=auto
==============================================================================
--- cfe/trunk/test/Headers/stdarg.cpp (added)
+++ cfe/trunk/test/Headers/stdarg.cpp Tue Aug 15 18:46:46 2017
@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple aarch64-linux -o - | FileCheck %s --check-prefix=AARCH64-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple aarch64-linux -o - | FileCheck %s --check-prefix=AARCH64-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple x86_64-linux -o - | FileCheck %s --check-prefix=X86_64-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple x86_64-linux -o - | FileCheck %s --check-prefix=X86_64-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple ppc64-linux -o - | FileCheck %s --check-prefix=PPC64-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple ppc64-linux -o - | FileCheck %s --check-prefix=PPC64-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple armv7-apple-darwin9 -target-abi aapcs -o - | FileCheck %s --check-prefix=AAPCS-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple armv7-apple-darwin9 -target-abi aapcs -o - | FileCheck %s --check-prefix=AAPCS-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple s390x-linux -o - | FileCheck %s --check-prefix=SYSTEMZ-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple s390x-linux -o - | FileCheck %s --check-prefix=SYSTEMZ-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple le32-nacl -o - | FileCheck %s --check-prefix=PNACL-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple le32-nacl -o - | FileCheck %s --check-prefix=PNACL-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple i686-linux -o - | FileCheck %s --check-prefix=CHARPTR-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple i686-linux -o - | FileCheck %s --check-prefix=CHARPTR-CXX
+// RUN: %clang_cc1 -emit-llvm -std=c99 -x c %s -triple xcore -o - | FileCheck %s --check-prefix=VOIDPTR-C
+// RUN: %clang_cc1 -emit-llvm -std=c++17 -x c++ %s -triple xcore -o - | FileCheck %s --check-prefix=VOIDPTR-CXX
+
+#include <stdarg.h>
+
+// AARCH64-C: define {{.*}} @f(i32 %n, %struct.__va_list* %list)
+// AARCH64-CXX: define {{.*}} @_Z1fiSt9__va_list(i32 %n, %"struct.std::__va_list"* %list)
+// X86_64-C: define {{.*}} @f(i32 %n, %struct.__va_list_tag* %list)
+// X86_64-CXX: define {{.*}} @_Z1fiP13__va_list_tag(i32 %n, %struct.__va_list_tag* %list)
+// PPC64-C: define {{.*}} @f(i32 signext %n, i8* %list)
+// PPC64-CXX: define {{.*}} @_Z1fiPc(i32 signext %n, i8* %list)
+// AAPCS-C: define {{.*}} @f(i32 %n, [1 x i32] %list.coerce)
+// AAPCS-CXX: define {{.*}} @_Z1fiSt9__va_list(i32 %n, [1 x i32] %list.coerce)
+// SYSTEMZ-C: define {{.*}} @f(i32 signext %n, %struct.__va_list_tag* %list)
+// SYSTEMZ-CXX: define {{.*}} @_Z1fiP13__va_list_tag(i32 signext %n, %struct.__va_list_tag* %list)
+// PNACL-C: define {{.*}} @f(i32 %n, i32* %list)
+// PNACL-CXX: define {{.*}} @_Z1fiPi(i32 %n, i32* %list)
+// CHARPTR-C: define {{.*}} @f(i32 %n, i8* %list)
+// CHARPTR-CXX: define {{.*}} @_Z1fiPc(i32 %n, i8* %list)
+// VOIDPTR-C: define {{.*}} @f(i32 %n, i8* %list)
+// VOIDPTR-CXX: define {{.*}} @_Z1fiPv(i32 %n, i8* %list)
+void f(int n, va_list list) {}