test/FrontendC++/2010-08-31-ByValArg.cpp

   1 // This regression test checks byval arguments' debug info.
   2 // Radar 8367011
   3 // RUN: %llvmgcc -S -O0 -g %s -o - | \
   4 // RUN:    llc --disable-fp-elim -o %t.s -O0 -relocation-model=pic
   5 // RUN: %compile_c %t.s -o %t.o
   6 // RUN: %link %t.o -o %t.exe
   7 // RUN: echo {break get\nrun\np missing_arg.b} > %t.in
   8 // RUN: gdb -q -batch -n -x %t.in %t.exe | tee %t.out | \
   9 // RUN:   grep {1 = 4242}
  10
  11 // XTARGET: x86_64-apple-darwin
  12
  13 class EVT {
  14 public:
  15   int a;
  16   int b;
  17   int c;
  18 };
  19
  20 class VAL {
  21 public:
  22   int x;
  23   int y;
  24 };
  25 void foo(EVT e);
  26 EVT bar();
  27
  28 void get(int *i, unsigned dl, VAL v, VAL *p, unsigned n, EVT missing_arg) {
  29 //CHECK: .ascii "missing_arg"
  30   EVT e = bar();
  31   if (dl == n)
  32     foo(missing_arg);
  33 }
  34
  35
  36 EVT bar() {
  37         EVT e;
  38         return e;
  39 }
  40
  41 void foo(EVT e) {}
  42
  43 int main(){
  44         VAL v;
  45         EVT ma;
  46         ma.a = 1;
  47         ma.b = 4242;
  48         ma.c = 3;
  49         int i = 42;
  50         get (&i, 1, v, &v, 2, ma);
  51         return 0;
  52 }
  53