1/* { dg-do compile } */
2/* { dg-options "-fgnu-tm -O -fdump-tree-tmedge" } */
3
4/* Test thread-local memory optimizations: save/restore pairs.  */
5
6struct large { int x[100]; };
7struct large bark();
8extern int test (void) __attribute__((transaction_safe));
9extern int readint (void);
10
11int f()
12{
13  int i = readint();
14  struct large lala = bark();
15  __transaction_atomic {
16    lala.x[55] = 666;
17    if (test())
18      __transaction_cancel;
19  }
20  return lala.x[i];
21}
22
23/* { dg-final { scan-tree-dump-times "tm_save.\[0-9_\]+ = lala.x\\\[55\\\]" 1 "tmedge" } } */
24/* { dg-final { scan-tree-dump-times "lala.x\\\[55\\\] = tm_save" 1 "tmedge" } } */
25/* { dg-final { cleanup-tree-dump "tmedge" } } */
26