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Merge remote-tracking branch 'gnu/gcc-4_7-branch' into rework
[pf3gnuchains/gcc-fork.git] / gcc / testsuite / gcc.dg / tm / memopt-5.c
1 /* { dg-do compile } */
2 /* { dg-options "-fgnu-tm -O -fdump-tree-tmedge --param tm-max-aggregate-size=1" } */
3
4 /* Test thread-local memory optimizations: logging function.  */
5
6 struct large { int x[100]; };
7 struct large bark();
8 extern int test (void) __attribute__((transaction_safe));
9
10 int f()
11 {
12   int i = readint();
13   struct large lala = bark();
14   __transaction_atomic {
15     lala.x[55] = 666;
16     if (test())
17       __transaction_cancel;
18   }
19   return lala.x[i];
20 }
21
22 /* { dg-final { scan-tree-dump-times "ITM_LU\[0-9\] \\\(&lala.x\\\[55\\\]" 1 "tmedge" } } */
23 /* { dg-final { cleanup-tree-dump "tmedge" } } */