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gcc/ChangeLog:
* gimple-ssa-warn-restrict.cc (class pass_wrestrict): Outline ctor.
(pass_wrestrict::m_ptr_qry): New member.
(wrestrict_walk): Rename...
(pass_wrestrict::check_block): ...to this.
(pass_wrestrict::execute): Set up and tear down pointer_query and
ranger.
(builtin_memref::builtin_memref): Change ctor argument. Simplify.
(builtin_access::builtin_access): Same.
(builtin_access::m_ptr_qry): New member.
(check_call): Rename...
(pass_wrestrict::check_call): ...to this.
(check_bounds_or_overlap): Change argument.
* gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Same.
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gcc/ChangeLog:
* builtins.c (warn_string_no_nul): Replace uses of TREE_NO_WARNING,
gimple_no_warning_p and gimple_set_no_warning with
warning_suppressed_p, and suppress_warning.
(c_strlen): Same.
(maybe_warn_for_bound): Same.
(warn_for_access): Same.
(check_access): Same.
(expand_builtin_strncmp): Same.
(fold_builtin_varargs): Same.
* calls.c (maybe_warn_nonstring_arg): Same.
(maybe_warn_rdwr_sizes): Same.
* cfgexpand.c (expand_call_stmt): Same.
* cgraphunit.c (check_global_declaration): Same.
* fold-const.c (fold_undefer_overflow_warnings): Same.
(fold_truth_not_expr): Same.
(fold_unary_loc): Same.
(fold_checksum_tree): Same.
* gimple-array-bounds.cc (array_bounds_checker::check_array_ref): Same.
(array_bounds_checker::check_mem_ref): Same.
(array_bounds_checker::check_addr_expr): Same.
(array_bounds_checker::check_array_bounds): Same.
* gimple-expr.c (copy_var_decl): Same.
* gimple-fold.c (gimple_fold_builtin_strcpy): Same.
(gimple_fold_builtin_strncat): Same.
(gimple_fold_builtin_stxcpy_chk): Same.
(gimple_fold_builtin_stpcpy): Same.
(gimple_fold_builtin_sprintf): Same.
(fold_stmt_1): Same.
* gimple-ssa-isolate-paths.c (diag_returned_locals): Same.
* gimple-ssa-nonnull-compare.c (do_warn_nonnull_compare): Same.
* gimple-ssa-sprintf.c (handle_printf_call): Same.
* gimple-ssa-store-merging.c (imm_store_chain_info::output_merged_store): Same.
* gimple-ssa-warn-restrict.c (maybe_diag_overlap): Same.
* gimple-ssa-warn-restrict.h: Adjust declarations.
(maybe_diag_access_bounds): Replace uses of TREE_NO_WARNING,
gimple_no_warning_p and gimple_set_no_warning with
warning_suppressed_p, and suppress_warning.
(check_call): Same.
(check_bounds_or_overlap): Same.
* gimple.c (gimple_build_call_from_tree): Same.
* gimplify.c (gimplify_return_expr): Same.
(gimplify_cond_expr): Same.
(gimplify_modify_expr_complex_part): Same.
(gimplify_modify_expr): Same.
(gimple_push_cleanup): Same.
(gimplify_expr): Same.
* omp-expand.c (expand_omp_for_generic): Same.
(expand_omp_taskloop_for_outer): Same.
* omp-low.c (lower_rec_input_clauses): Same.
(lower_lastprivate_clauses): Same.
(lower_send_clauses): Same.
(lower_omp_target): Same.
* tree-cfg.c (pass_warn_function_return::execute): Same.
* tree-complex.c (create_one_component_var): Same.
* tree-inline.c (remap_gimple_op_r): Same.
(copy_tree_body_r): Same.
(declare_return_variable): Same.
(expand_call_inline): Same.
* tree-nested.c (lookup_field_for_decl): Same.
* tree-sra.c (create_access_replacement): Same.
(generate_subtree_copies): Same.
* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Same.
* tree-ssa-forwprop.c (combine_cond_expr_cond): Same.
* tree-ssa-loop-ch.c (ch_base::copy_headers): Same.
* tree-ssa-loop-im.c (execute_sm): Same.
* tree-ssa-phiopt.c (cond_store_replacement): Same.
* tree-ssa-strlen.c (maybe_warn_overflow): Same.
(handle_builtin_strcpy): Same.
(maybe_diag_stxncpy_trunc): Same.
(handle_builtin_stxncpy_strncat): Same.
(handle_builtin_strcat): Same.
* tree-ssa-uninit.c (get_no_uninit_warning): Same.
(set_no_uninit_warning): Same.
(uninit_undefined_value_p): Same.
(warn_uninit): Same.
(maybe_warn_operand): Same.
* tree-vrp.c (compare_values_warnv): Same.
* vr-values.c (vr_values::extract_range_for_var_from_comparison_expr): Same.
(test_for_singularity): Same.
* gimple.h (warning_suppressed_p): New function.
(suppress_warning): Same.
(copy_no_warning): Same.
(gimple_set_block): Call gimple_set_location.
(gimple_set_location): Call copy_warning.
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There is one adjustment to a C++ test which now gives a false positive.
After talking with Martin Sebor, we've concluded this is expected. There
is no way to communicate that libstdc++ allocated objects are always
less than PTRDIFF_MAX.
gcc/ChangeLog:
* calls.c (get_size_range): Adjust to work with ranger.
* calls.h (get_size_range): Add ranger argument to prototype.
* gimple-ssa-warn-restrict.c (class wrestrict_dom_walker): Remove.
(check_call): Pull out of wrestrict_dom_walker into a
static function.
(wrestrict_dom_walker::before_dom_children): Rename to...
(wrestrict_walk): ...this.
(pass_wrestrict::execute): Instantiate ranger.
(class builtin_memref): Add stmt and query fields.
(builtin_access::builtin_access): Add range_query field.
(builtin_memref::builtin_memref): Same.
(builtin_memref::extend_offset_range): Same.
(builtin_access::builtin_access): Make work with ranger.
(wrestrict_dom_walker::check_call): Pull out into...
(check_call): ...here.
(check_bounds_or_overlap): Add range_query argument.
* gimple-ssa-warn-restrict.h (check_bounds_or_overlap):
Add range_query and gimple stmt arguments.
gcc/testsuite/ChangeLog:
* gcc.dg/Wrestrict-22.c: New test.
* g++.dg/torture/pr92421.C: Adjust for ranger.
libstdc++-v3/ChangeLog:
* testsuite/21_strings/basic_string/capacity/1.cc: Pass
-Wno-stringop-overflow to test.
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From-SVN: r279813
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gcc/ChangeLog:
PR tree-optimization/88800
* gimple-fold.c (gimple_fold_builtin_memory_op): Avoid checking
NO_WARNING bit here. Avoid folding out-of-bounds calls.
* gimple-ssa-warn-restrict.c (maybe_diag_offset_bounds): Remove
redundant argument. Add new argument and issue diagnostics under
its control. Detect out-of-bounds access even with warnings
disabled.
(check_bounds_or_overlap): Change return type. Add argument.
(wrestrict_dom_walker::check_call): Adjust.
* gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Add argument.
* tree-ssa-strlen.c (handle_builtin_strcpy): Adjust to change in
check_bounds_or_overlap's return value.
(handle_builtin_stxncpy): Same.
(handle_builtin_strcat): Same.
gcc/testsuite/ChangeLog:
PR tree-optimization/88800
* c-c++-common/Wrestrict.c: Adjust.
* gcc.dg/Warray-bounds-37.c: New test.
* gcc.dg/builtin-memcpy-2.c: New test.
* gcc.dg/builtin-memcpy.c: New test.
From-SVN: r268037
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From-SVN: r267494
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gcc/c/ChangeLog:
PR tree-optimization/86650
* c-objc-common.c (c_tree_printer): Move usage of EXPR_LOCATION (t)
and TREE_BLOCK (t) from within percent_K_format to this callsite.
gcc/c-family/ChangeLog:
PR tree-optimization/86650
* c-family/c-format.c (gcc_tdiag_char_table): Update comment for "%G".
(gcc_cdiag_char_table, gcc_cxxdiag_char_table): Same.
(init_dynamic_diag_info): Update from "gcall *" to "gimple *".
* c-format.h (T89_G): Update to be "gimple *" rather than
"gcall *".
(local_gcall_ptr_node): Rename...
(local_gimple_ptr_node): ...to this.
gcc/cp/ChangeLog:
PR tree-optimization/86650
* error.c (cp_printer): Move usage of EXPR_LOCATION (t) and
TREE_BLOCK (t) from within percent_K_format to this callsite.
gcc/ChangeLog:
PR tree-optimization/86650
* gimple-pretty-print.c (percent_G_format): Accept a "gimple *"
rather than a "gcall *". Directly pass the data of interest
to percent_K_format, rather than building a temporary CALL_EXPR
to hold it.
* gimple-fold.c (gimple_fold_builtin_strncpy): Adjust.
(gimple_fold_builtin_strncat): Adjust.
* gimple-ssa-warn-restrict.h (check_bounds_or_overlap): Replace
gcall* argument with gimple*.
* gimple-ssa-warn-restrict.c (check_call): Same.
(wrestrict_dom_walker::before_dom_children): Same.
(builtin_access::builtin_access): Same.
(check_bounds_or_overlap): Same
(maybe_diag_overlap): Same.
(maybe_diag_offset_bounds): Same.
* tree-diagnostic.c (default_tree_printer): Move usage of
EXPR_LOCATION (t) and TREE_BLOCK (t) from within percent_K_format
to this callsite.
* tree-pretty-print.c (percent_K_format): Add argument.
* tree-pretty-print.h: Add argument.
* tree-ssa-ccp.c (pass_post_ipa_warn::execute): Adjust.
* tree-ssa-strlen.c (maybe_diag_stxncpy_trunc): Adjust.
(maybe_diag_stxncpy_trunc): Same.
(handle_builtin_stxncpy): Same.
(handle_builtin_strcat): Same.
gcc/testsuite/ChangeLog:
PR tree-optimization/86650
* gcc.dg/format/gcc_diag-10.c: Adjust.
From-SVN: r263239
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From-SVN: r256169
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gcc/c-family/ChangeLog:
PR tree-optimization/78918
* c-common.c (check_function_restrict): Avoid checking built-ins.
* c.opt (-Wrestrict): Include in -Wall.
gcc/ChangeLog:
PR tree-optimization/78918
* Makefile.in (OBJS): Add gimple-ssa-warn-restrict.o.
* builtins.c (check_sizes): Rename...
(check_access): ...to this. Rename function arguments for clarity.
(check_memop_sizes): Adjust names.
(expand_builtin_memchr, expand_builtin_memcpy): Same.
(expand_builtin_memmove, expand_builtin_mempcpy): Same.
(expand_builtin_strcat, expand_builtin_stpncpy): Same.
(check_strncat_sizes, expand_builtin_strncat): Same.
(expand_builtin_strncpy, expand_builtin_memset): Same.
(expand_builtin_bzero, expand_builtin_memcmp): Same.
(expand_builtin_memory_chk, maybe_emit_chk_warning): Same.
(maybe_emit_sprintf_chk_warning): Same.
(expand_builtin_strcpy): Adjust.
(expand_builtin_stpcpy): Same.
(expand_builtin_with_bounds): Detect out-of-bounds accesses
in pointer-checking forms of memcpy, memmove, and mempcpy.
(gcall_to_tree_minimal, max_object_size): Define new functions.
* builtins.h (max_object_size): Declare.
* calls.c (alloc_max_size): Call max_object_size instead of
hardcoding ssizetype limit.
(get_size_range): Handle new argument.
* calls.h (get_size_range): Add a new argument.
* cfgexpand.c (expand_call_stmt): Propagate no-warning bit.
* doc/invoke.texi (-Wrestrict): Adjust, add example.
* gimple-fold.c (gimple_fold_builtin_memory_op): Detect overlapping
operations.
(gimple_fold_builtin_memory_chk): Same.
(gimple_fold_builtin_stxcpy_chk): New function.
* gimple-ssa-warn-restrict.c: New source.
* gimple-ssa-warn-restrict.h: New header.
* gimple.c (gimple_build_call_from_tree): Propagate location.
* passes.def (pass_warn_restrict): Add new pass.
* tree-pass.h (make_pass_warn_restrict): Declare.
* tree-ssa-strlen.c (handle_builtin_strcpy): Detect overlapping
operations.
(handle_builtin_strcat): Same.
(strlen_optimize_stmt): Rename...
(strlen_check_and_optimize_stmt): ...to this. Handle strncat,
stpncpy, strncpy, and their checking forms.
gcc/testsuite/ChangeLog:
PR tree-optimization/78918
* c-c++-common/Warray-bounds.c: New test.
* c-c++-common/Warray-bounds-2.c: New test.
* c-c++-common/Warray-bounds-3.c: New test.
* c-c++-common/Warray-bounds-4.c: New test.
* c-c++-common/Warray-bounds-5.c: New test.
* c-c++-common/Wrestrict-2.c: New test.
* c-c++-common/Wrestrict.c: New test.
* c-c++-common/Wrestrict.s: New test.
* c-c++-common/Wsizeof-pointer-memaccess1.c: Adjust
* c-c++-common/Wsizeof-pointer-memaccess2.c: Same.
* g++.dg/torture/Wsizeof-pointer-memaccess1.C: Same.
* g++.dg/torture/Wsizeof-pointer-memaccess2.C: Same.
* gcc.dg/range.h: New header.
* gcc.dg/memcpy-6.c: New test.
* gcc.dg/pr69172.c: Adjust.
* gcc.dg/pr79223.c: Same.
* gcc.dg/pr81345.c: Adjust.
* gcc.dg/Wobjsize-1.c: Same.
* gcc.dg/Wrestrict-2.c: New test.
* gcc.dg/Wrestrict.c: New test.
* gcc.dg/Wsizeof-pointer-memaccess1.c: Adjust.
* gcc.dg/builtin-stpncpy.c: Same.
* gcc.dg/builtin-stringop-chk-1.c: Same.
* gcc.target/i386/chkp-stropt-17.c: New test.
* gcc.dg/torture/Wsizeof-pointer-memaccess1.c: Adjust.
From-SVN: r255755
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