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

   1 /* Register liveness information from epilgoue enables peephole optimization. */
   2 /* { dg-do compile } */
   3 /* { dg-options "-mthumb -Os" } */
   4 /* { dg-require-effective-target arm_thumb2_ok } */
   5
   6 volatile int g_k;
   7 extern void bar(int, int, int, int);
   8
   9 int foo(int a, int b, int c, int d)
  10 {
  11   if (g_k & 4) c++;
  12   bar (a, b, c, d);
  13   return 0;
  14 }
  15
  16 /* { dg-final { scan-assembler-times "lsls.*#29" 1 } } */
  17 /* { dg-final { scan-assembler-not "tst" } } */