gcc/testsuite/gcc.target/arm/naked-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O0" } */
   3 /* Check that function arguments aren't assigned and copied to stack slots
   4    in naked functions.  This usually happens at -O0 (presumably for
   5    better debugging), but is highly undesirable if we haven't created
   6    a stack frame.  */
   7 void __attribute__((naked))
   8 foo(int n)
   9 {
  10   __asm__ volatile ("frob r0\n");
  11 }
  12 /* { dg-final { scan-assembler "\tfrob r0" } } */
  13 /* { dg-final { scan-assembler-not "\tstr" } } */