1*67e74705SXin Li // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s --check-prefix=WINDOWS
2*67e74705SXin Li // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux | FileCheck %s --check-prefix=LINUX
3*67e74705SXin Li
4*67e74705SXin Li // Make it possible to pass NULL through variadic functions on platforms where
5*67e74705SXin Li // NULL has an integer type that is more narrow than a pointer. On such
6*67e74705SXin Li // platforms we widen null pointer constants to a pointer-sized integer.
7*67e74705SXin Li
8*67e74705SXin Li #define NULL 0
9*67e74705SXin Li
10*67e74705SXin Li void v(const char *f, ...);
f(const char * f)11*67e74705SXin Li void f(const char *f) {
12*67e74705SXin Li v(f, 1, 2, 3, NULL);
13*67e74705SXin Li }
14*67e74705SXin Li // WINDOWS: define void @f(i8* %f)
15*67e74705SXin Li // WINDOWS: call void (i8*, ...) @v(i8* {{.*}}, i32 1, i32 2, i32 3, i64 0)
16*67e74705SXin Li // LINUX: define void @f(i8* %f)
17*67e74705SXin Li // LINUX: call void (i8*, ...) @v(i8* {{.*}}, i32 1, i32 2, i32 3, i32 0)
18