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