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2011-03-24 Richard Guenther <rguenther@suse.de> PR tree-optimization/46562 * tree.c (build_invariant_address): New function. * tree.h (build_invariant_address): Declare. * tree-dfa.c (get_addr_base_and_unit_offset): Wrap around a renamed function moved ... * tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here. Take valueization callback parameter. * tree-flow.h (gimple_fold_stmt_to_constant): Declare. * gimple-fold.h: New file. * tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1. (ccp_fold, fold_const_aggregate_ref, fold_ctor_reference, fold_nonarray_ctor_reference, fold_array_ctor_reference, fold_string_cst_ctor_reference, get_base_constructor): Move ... * gimple-fold.c: ... here. (gimple_fold_stmt_to_constant_1): New function split out from ccp_fold. Take a valueization callback parameter. Valueize all operands. (gimple_fold_stmt_to_constant): New wrapper function. (fold_const_aggregate_ref_1): New function split out from fold_const_aggregate_ref. Take a valueization callback parameter. (fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1. * tree-ssa-sccvn.c (simplify_binary_expression): Simplify invariant POINTER_PLUS_EXPRs to invariant form. (vn_valueize): New function. (try_to_simplify): Simplify by using gimple_fold_stmt_to_constant. * tree-vrp.c (vrp_valueize): New function. (vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant to fold statements to constants. * tree-ssa-pre.c (eliminate): Properly guard propagation of function declarations. * Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o, tree-ssa-ccp.o): Add gimple-fold.h dependencies. * c-c++-common/pr46562-2.c: New testcase. * c-c++-common/pr46562.c: Likewise. From-SVN: r171386
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