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1// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-windows-msvc | FileCheck %s --check-prefix=WINDOWS2// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-linux | FileCheck %s --check-prefix=LINUX3 4// Make it possible to pass NULL through variadic functions on platforms where5// NULL has an integer type that is more narrow than a pointer. On such6// platforms we widen null pointer constants passed to variadic functions to a7// pointer-sized integer. We don't apply this special case to K&R-style8// unprototyped functions, because MSVC doesn't either.9 10#define NULL 011 12void v(const char *f, ...);13void kr();14void f(const char *f) {15 v(f, 1, 2, 3, NULL);16 kr(f, 1, 2, 3, 0);17}18// WINDOWS: define dso_local void @f(ptr noundef %f)19// WINDOWS: call void (ptr, ...) @v(ptr {{.*}}, i32 noundef 1, i32 noundef 2, i32 noundef 3, i64 noundef 0)20// WINDOWS: call void @kr(ptr noundef {{.*}}, i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 0)21// LINUX: define{{.*}} void @f(ptr noundef %f)22// LINUX: call void (ptr, ...) @v(ptr {{.*}}, i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 0)23// LINUX: call void (ptr, i32, i32, i32, i32, ...) @kr(ptr {{.*}}, i32 noundef 1, i32 noundef 2, i32 noundef 3, i32 noundef 0)24