gcc/testsuite/gcc.target/i386/pr111673.c

   1 /* { dg-do compile { target { ! ia32 } } } */
   2 /* { dg-options "-O2 -fdump-rtl-pro_and_epilogue" } */
   3 /* Keep labels and directives ('.cfi_startproc', '.cfi_endproc').  */
   4 /* { dg-final { check-function-bodies "**" "" "" { target "*-*-*" } {^\t?\.}  } } */
   5
   6 /*
   7 **advance:
   8 **.LFB0:
   9 **      .cfi_startproc
  10 **      testl   %edi, %edi
  11 **      jle     .L2
  12 **      imull   %edi, %edi
  13 **      leal    \(%rdi,%rdi\), %eax
  14 **      ret
  15 **...
  16 */
  17
  18 /* Verify there is an early return without the prolog and shrink-wrap
  19    the function. */
  20
  21 int f (int);
  22 int
  23 advance (int dz)
  24 {
  25   if (dz > 0)
  26     return (dz + dz) * dz;
  27   else
  28     return dz * f (dz);
  29 }
  30
  31 /* { dg-final { scan-rtl-dump-times "Performing shrink-wrapping" 1 "pro_and_epilogue" } } */