gcc/testsuite/gcc.dg/ira-shrinkwrap-prep-1.c

   1 /* { dg-do compile { target { { { i?86-*-* x86_64-*-* } && lp64 } || { { powerpc*-*-* && lp64 } || { arm_nothumb || { aarch64*-*-* && lp64 } } } } } } */
   2 /* { dg-options "-O3 -fdump-rtl-ira -fdump-rtl-pro_and_epilogue -fno-ipa-ra"  } */
   3
   4 long __attribute__((noinline, noclone))
   5 foo (long a)
   6 {
   7   return a + 5;
   8 }
   9
  10 static long g __attribute__ ((used));
  11
  12 long __attribute__((noinline, noclone))
  13 bar (long a)
  14 {
  15   long r;
  16
  17   if (a)
  18     {
  19       r = foo (a);
  20       g = r + a;
  21     }
  22   else
  23     r = a+1;
  24   return r;
  25 }
  26
  27 /* { dg-final { scan-rtl-dump "Will split live ranges of parameters" "ira"  } } */
  28 /* { dg-final { scan-rtl-dump "Split live-range of register" "ira"  } } */
  29 /* { dg-final { scan-rtl-dump "Performing shrink-wrapping" "pro_and_epilogue"  } } */