re PR tree-optimization/49642 (constant part of a macro not optimized away as expected due to splitter)
gcc:
2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/49642
* ipa-split.c (forbidden_dominators): New variable.
(check_forbidden_calls): New function.
(dominated_by_forbidden): Likewise.
(consider_split): Check for forbidden dominators.
(execute_split_functions): Initialize and free forbidden
dominators info; call check_forbidden_calls.
gcc/testsuite:
2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR tree-optimization/49642
* gcc.dg/tree-ssa/pr49642-1.c: New test.
* gcc.dg/tree-ssa/pr49642-2.c: New test.
From-SVN: r183101