2012-03-09 Andrew Pinski <apinski@cavium.com>
PR middle-end/51988
* tree-ssa-phiopt.c: Include tree-pretty-print.h for
print_generic_expr.
(tree_ssa_phiopt_worker): Go through all the PHIs for
value_replacement instead of just the singleton one.
(value_replacement): Change return type to int. Return 0 instead of
false.
Allow the middle basic block to contain more than just the definings
tatement.
Handle non empty middle basic blocks.
* Makefile.in (tree-ssa-phiopt.o): Add tree-pretty-print.h.
2012-03-09 Andrew Pinski <apinski@cavium.com>
PR middle-end/51988
* gcc.dg/tree-ssa/phi-opt-8.c: New testcase.
* gcc.dg/tree-ssa/phi-opt-9.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185131 138bc75d-0d04-0410-961f-82ee72b054a4