gcc/testsuite/gcc.dg/pr44194-1.c

   1 /* { dg-do compile { target { { { { { { i?86-*-* x86_64-*-* } && x32 } || lp64 } && { ! s390*-*-* } } && { ! hppa*64*-*-* } } && { ! alpha*-*-* } } } } */
   2 /* { dg-options "-O2 -fdump-rtl-dse1 -fdump-rtl-final" } */
   3
   4 /* Restrict to 64-bit targets since 32-bit targets usually return small
   5    structures in memory.  */
   6
   7 struct ints { int a, b, c; } foo();
   8 void bar(int a, int b);
   9
  10 void func() {
  11   struct ints s = foo();
  12   bar(s.a, s.b);
  13 }
  14
  15 /* { dg-final { scan-rtl-dump "global deletions = (2|3)" "dse1" } } */
  16 /* { dg-final { cleanup-rtl-dump "dse1" } } */
  17
  18 /* Here we want to ignore frame-related instructions, marked as insn/f,
  19    that do things like store the link register to the stack.  We also want
  20    to treat insns the same regardless of whether they have a scheduling
  21    :TI marker, so match both "insn " and "insn:".  */
  22 /* { dg-final { scan-rtl-dump-not "insn\[: \]\[^\n\]*set \\(mem(?!\[^\n\]*scratch)" "final" } } */
  23 /* { dg-final { cleanup-rtl-dump "final" } } */