2007-06-12 Richard Guenther <rguenther@suse.de> PR tree-optimization/15353 PR tree-optimization/31657 * passes.c (init_optimization_passes): Add pass_tree_ifcombine. * timevar.def: Add TV_TREE_IFCOMBINE. * tree-pass.h (pass_tree_ifcombine): Declare. * tree-ssa-ifcombine.c: New file. * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export. * tree-flow.h (blocks_in_phiopt_order): Declare. * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o. (tree-ssa-ifcombine.o): New dependencies. * gcc.c-torture/execute/20070424-1.c: New testcase. * gcc.dg/tree-ssa/ssa-ifcombine-1.c: Likewise. * gcc.dg/tree-ssa/ssa-ifcombine-2.c: Likewise. * gcc.dg/tree-ssa/ssa-ifcombine-3.c: Likewise. * gcc.dg/tree-ssa/ssa-ifcombine-4.c: Likewise. * gcc.dg/tree-ssa/ssa-ifcombine-5.c: Likewise. From-SVN: r125644
