gcc/testsuite/gcc.dg/tm/memopt-6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-fgnu-tm -O -fdump-tree-tmedge --param tm-max-aggregate-size=1" } */
   3
   4 struct large { int x[100]; };
   5 struct large bark();
   6 extern int test (void) __attribute__((transaction_safe));
   7 extern int readint (void);
   8 struct large lacopy;
   9
  10 int f()
  11 {
  12   int i = readint();
  13   struct large lala = bark();
  14   __transaction_atomic {
  15     lala.x[55] = 666;
  16     lala = lacopy;              /* Aggregate instrumentation.  */
  17   }
  18   return lala.x[i];
  19 }
  20
  21 /* { dg-final { scan-tree-dump-times "memcpyRtWn \\\(.*, &lacopy" 1 "tmedge" } } */