xref: /llvm-project/clang/test/CodeGen/varargs.c (revision 46b0d0eef9e0a7290851cce0d44002b750584f1b) 
1 // RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2 
3 // PR6433 - Don't crash on va_arg(typedef).
4 typedef double gdouble;
focus_changed_cb(void)5 void focus_changed_cb (void) {
6     __builtin_va_list pa;
7     double mfloat;
8     mfloat = __builtin_va_arg((pa), gdouble);
9 }
10 
11 void vararg(int, ...);
function_as_vararg(void)12 void function_as_vararg(void) {
13   // CHECK: define {{.*}}function_as_vararg
14   // CHECK-NOT: llvm.trap
15   vararg(0, focus_changed_cb);
16 }
17 
vla(int n,...)18 void vla(int n, ...)
19 {
20   __builtin_va_list ap;
21   void *p;
22   p = __builtin_va_arg(ap, typeof (int (*)[++n])); // CHECK: add nsw i32 {{.*}}, 1
23 }
24