Hi All,

Here is a simple patch for unswitching outer loop through guard-edge
hoisting. The check that guard-edge is around the inner loop was
missed.

Bootstrapping and regression testing did not show new failures.

Is it OK for trunk?

ChangeLog:
2014-10-13  Yuri Rumyantsev  <ysrumyan@gmail.com>

PR tree-optimization/67909, 67947
* tree-ssa-loop-unswitch.c (find_loop_guard): Add check that GUARD_EDGE
really skip the inner loop.

gcc/testsuite/ChangeLog
* gcc.dg/torture/pr67947.c: New test.