test/FrontendC++/varargs.cpp

   1 // RUN: %llvmgxx -S %s -o - | FileCheck %s
   2 // rdar://7309675
   3 // PR4678
   4
   5 // test1 should be compmiled to be a varargs function in the IR even
   6 // though there is no way to do a va_begin.  Otherwise, the optimizer
   7 // will warn about 'dropped arguments' at the call site.
   8
   9 // CHECK: define i32 @_Z5test1z(...)
  10 int test1(...) {
  11   return -1;
  12 }
  13
  14 // CHECK: call i32 (...)* @_Z5test1z(i32 0)
  15 void test() {
  16   test1(0);
  17 }
  18
  19