| Reid Kleckner | 79b0fd7 | 2014-10-10 00:05:45 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s --check-prefix=WINDOWS |
| 2 | // RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux | FileCheck %s --check-prefix=LINUX |
| 3 | |
| 4 | // Make it possible to pass NULL through variadic functions on platforms where |
| 5 | // NULL has an integer type that is more narrow than a pointer. On such |
| 6 | // platforms we widen null pointer constants to a pointer-sized integer. |
| 7 | |
| 8 | #define NULL 0 |
| 9 | |
| 10 | void v(const char *f, ...); |
| 11 | void f(const char *f) { |
| 12 | v(f, 1, 2, 3, NULL); |
| 13 | } |
| 14 | // WINDOWS: define void @f(i8* %f) |
| 15 | // WINDOWS: call void (i8*, ...)* @v(i8* {{.*}}, i32 1, i32 2, i32 3, i64 0) |
| 16 | // LINUX: define void @f(i8* %f) |
| 17 | // LINUX: call void (i8*, ...)* @v(i8* {{.*}}, i32 1, i32 2, i32 3, i32 0) |