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gcc/gcc/timevar.def
Jakub Jelinek 4dda30e991 middle-end IFN_ASSUME support [PR106654] 
My earlier patches gimplify the simplest non-side-effects assumptions
into if (cond) ; else __builtin_unreachable (); and throw the rest
on the floor.
The following patch attempts to do something with the rest too.
For -O0, it throws the more complex assumptions on the floor,
we don't expect optimizations and the assumptions are there to allow
optimizations.  Otherwise arranges for the assumptions to be
visible in the IL as
  .ASSUME (_Z2f4i._assume.0, i_1(D));
call where there is an artificial function like:
bool _Z2f4i._assume.0 (int i)
{
  bool _2;

  <bb 2> [local count: 1073741824]:
  _2 = i_1(D) == 43;
  return _2;

}
with the semantics that there is UB unless the assumption function
would return true.

Aldy, could ranger handle this?  If it sees .ASSUME call,
walk the body of such function from the edge(s) to exit with the
assumption that the function returns true, so above set _2 [true, true]
and from there derive that i_1(D) [43, 43] and then map the argument
in the assumption function to argument passed to IFN_ASSUME (note,
args there are shifted by 1)?

During gimplification it actually gimplifies it into
  [[assume (D.2591)]]
    {
      {
        i = i + 1;
        D.2591 = i == 44;
      }
    }
which is a new GIMPLE_ASSUME statement wrapping a GIMPLE_BIND and
specifying a boolean_type_node variable which contains the result.
The GIMPLE_ASSUME then survives just a couple of passes and is lowered
during gimple lowering into an outlined separate function and
IFN_ASSUME call.  Variables declared inside of the
condition (both static and automatic) just change context, automatic
variables from the caller are turned into parameters (note, as the code
is never executed, I handle this way even non-POD types, we don't need to
bother pretending there would be user copy constructors etc. involved).

The assume_function artificial functions are then optimized until the
new assumptions pass which doesn't do much right now but I'd like to see
there the backwards ranger walk and filling up of SSA_NAME_RANGE_INFO
for the parameters.

There are a few further changes I'd like to do, like ignoring the
.ASSUME calls in inlining size estimations (but haven't figured out where
it is done), or for LTO arrange for the assume functions to be emitted
in all partitions that reference those (usually there will be just one,
unless code with the assumption got inlined, versioned etc.).

2022-10-18  Jakub Jelinek  <jakub@redhat.com>

	PR c++/106654
gcc/
	* gimple.def (GIMPLE_ASSUME): New statement kind.
	* gimple.h (struct gimple_statement_assume): New type.
	(is_a_helper <gimple_statement_assume *>::test,
	is_a_helper <const gimple_statement_assume *>::test): New.
	(gimple_build_assume): Declare.
	(gimple_has_substatements): Return true for GIMPLE_ASSUME.
	(gimple_assume_guard, gimple_assume_set_guard,
	gimple_assume_guard_ptr, gimple_assume_body_ptr, gimple_assume_body):
	New inline functions.
	* gsstruct.def (GSS_ASSUME): New.
	* gimple.cc (gimple_build_assume): New function.
	(gimple_copy): Handle GIMPLE_ASSUME.
	* gimple-pretty-print.cc (dump_gimple_assume): New function.
	(pp_gimple_stmt_1): Handle GIMPLE_ASSUME.
	* gimple-walk.cc (walk_gimple_op): Handle GIMPLE_ASSUME.
	* omp-low.cc (WALK_SUBSTMTS): Likewise.
	(lower_omp_1): Likewise.
	* omp-oacc-kernels-decompose.cc (adjust_region_code_walk_stmt_fn):
	Likewise.
	* tree-cfg.cc (verify_gimple_stmt, verify_gimple_in_seq_2): Likewise.
	* function.h (struct function): Add assume_function bitfield.
	* gimplify.cc (gimplify_call_expr): If the assumption isn't
	simple enough, expand it into GIMPLE_ASSUME wrapped block or
	for -O0 drop it.
	* gimple-low.cc: Include attribs.h.
	(create_assumption_fn): New function.
	(struct lower_assumption_data): New type.
	(find_assumption_locals_r, assumption_copy_decl,
	adjust_assumption_stmt_r, adjust_assumption_stmt_op,
	lower_assumption): New functions.
	(lower_stmt): Handle GIMPLE_ASSUME.
	* tree-ssa-ccp.cc (pass_fold_builtins::execute): Remove
	IFN_ASSUME calls.
	* lto-streamer-out.cc (output_struct_function_base): Pack
	assume_function bit.
	* lto-streamer-in.cc (input_struct_function_base): And unpack it.
	* cgraphunit.cc (cgraph_node::expand): Don't verify assume_function
	has TREE_ASM_WRITTEN set and don't release its body.
	(symbol_table::compile): Allow assume functions not to have released
	body.
	* internal-fn.cc (expand_ASSUME): Remove gcc_unreachable.
	* passes.cc (execute_one_pass): For TODO_discard_function don't
	release body of assume functions.
	* cgraph.cc (cgraph_node::verify_node): Don't verify cgraph nodes
	of PROP_assumptions_done functions.
	* tree-pass.h (PROP_assumptions_done): Define.
	(TODO_discard_function): Adjust comment.
	(make_pass_assumptions): Declare.
	* passes.def (pass_assumptions): Add.
	* timevar.def (TV_TREE_ASSUMPTIONS): New.
	* tree-inline.cc (remap_gimple_stmt): Handle GIMPLE_ASSUME.
	* tree-vrp.cc (pass_data_assumptions): New variable.
	(pass_assumptions): New class.
	(make_pass_assumptions): New function.
gcc/cp/
	* cp-tree.h (build_assume_call): Declare.
	* parser.cc (cp_parser_omp_assumption_clauses): Use build_assume_call.
	* cp-gimplify.cc (build_assume_call): New function.
	(process_stmt_assume_attribute): Use build_assume_call.
	* pt.cc (tsubst_copy_and_build): Likewise.
gcc/testsuite/
	* g++.dg/cpp23/attr-assume5.C: New test.
	* g++.dg/cpp23/attr-assume6.C: New test.
	* g++.dg/cpp23/attr-assume7.C: New test.
2022-10-18 10:39:09 +02:00

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/* This file contains the definitions for timing variables used to
measure run-time performance of the compiler.
Copyright (C) 2000-2022 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
/* This file contains timing variable definitions, used by timevar.h
and timevar.cc.
Syntax:
DEFTIMEVAR (id, name)
where ID is the enumeral value used to identify the timing
variable, and NAME is a character string describing its purpose. */
/* The total execution time. */
DEFTIMEVAR (TV_TOTAL , "total time")
/* The compiler phases.
These must be mutually exclusive, and the NAME field must begin
with "phase".
Also, their sum must be within a millionth of the total time (see
validate_phases). */
DEFTIMEVAR (TV_PHASE_SETUP , "phase setup")
DEFTIMEVAR (TV_PHASE_PARSING , "phase parsing")
DEFTIMEVAR (TV_PHASE_DEFERRED , "phase lang. deferred")
DEFTIMEVAR (TV_PHASE_LATE_PARSING_CLEANUPS, "phase late parsing cleanups")
DEFTIMEVAR (TV_PHASE_OPT_GEN , "phase opt and generate")
DEFTIMEVAR (TV_PHASE_LATE_ASM , "phase last asm")
DEFTIMEVAR (TV_PHASE_STREAM_IN , "phase stream in")
DEFTIMEVAR (TV_PHASE_STREAM_OUT , "phase stream out")
DEFTIMEVAR (TV_PHASE_FINALIZE , "phase finalize")
/* Concurrent timers, indicated by "|". */
DEFTIMEVAR (TV_NAME_LOOKUP , "|name lookup")
DEFTIMEVAR (TV_OVERLOAD , "|overload resolution")
/* Time spent garbage-collecting. */
DEFTIMEVAR (TV_GC , "garbage collection")
/* Time spent generating dump files. */
DEFTIMEVAR (TV_DUMP , "dump files")
/* Time spent saving/restoring PCH state. */
DEFTIMEVAR (TV_PCH_SAVE , "PCH main state save")
DEFTIMEVAR (TV_PCH_CPP_SAVE , "PCH preprocessor state save")
DEFTIMEVAR (TV_PCH_PTR_REALLOC , "PCH pointer reallocation")
DEFTIMEVAR (TV_PCH_PTR_SORT , "PCH pointer sort")
DEFTIMEVAR (TV_PCH_RESTORE , "PCH main state restore")
DEFTIMEVAR (TV_PCH_CPP_RESTORE , "PCH preprocessor state restore")
DEFTIMEVAR (TV_CGRAPH , "callgraph construction")
DEFTIMEVAR (TV_CGRAPHOPT , "callgraph optimization")
DEFTIMEVAR (TV_CGRAPH_FUNC_EXPANSION , "callgraph functions expansion")
DEFTIMEVAR (TV_CGRAPH_IPA_PASSES , "callgraph ipa passes")
DEFTIMEVAR (TV_IPA_ODR , "ipa ODR types")
DEFTIMEVAR (TV_IPA_FNSUMMARY , "ipa function summary")
DEFTIMEVAR (TV_IPA_UNREACHABLE , "ipa dead code removal")
DEFTIMEVAR (TV_IPA_INHERITANCE , "ipa inheritance graph")
DEFTIMEVAR (TV_IPA_VIRTUAL_CALL , "ipa virtual call target")
DEFTIMEVAR (TV_IPA_DEVIRT , "ipa devirtualization")
DEFTIMEVAR (TV_IPA_CONSTANT_PROP , "ipa cp")
DEFTIMEVAR (TV_IPA_INLINING , "ipa inlining heuristics")
DEFTIMEVAR (TV_IPA_FNSPLIT , "ipa function splitting")
DEFTIMEVAR (TV_IPA_COMDATS , "ipa comdats")
DEFTIMEVAR (TV_IPA_OPT , "ipa various optimizations")
DEFTIMEVAR (TV_IPA_LTO_DECOMPRESS , "lto stream decompression")
DEFTIMEVAR (TV_IPA_LTO_COMPRESS , "lto stream compression")
DEFTIMEVAR (TV_IPA_LTO_OUTPUT , "lto stream output")
DEFTIMEVAR (TV_IPA_LTO_GIMPLE_IN , "ipa lto gimple in")
DEFTIMEVAR (TV_IPA_LTO_GIMPLE_OUT , "ipa lto gimple out")
DEFTIMEVAR (TV_IPA_LTO_DECL_IN , "ipa lto decl in")
DEFTIMEVAR (TV_IPA_LTO_DECL_OUT , "ipa lto decl out")
DEFTIMEVAR (TV_IPA_LTO_CTORS_IN , "ipa lto constructors in")
DEFTIMEVAR (TV_IPA_LTO_CTORS_OUT , "ipa lto constructors out")
DEFTIMEVAR (TV_IPA_LTO_CGRAPH_IO , "ipa lto cgraph I/O")
DEFTIMEVAR (TV_IPA_LTO_DECL_MERGE , "ipa lto decl merge")
DEFTIMEVAR (TV_IPA_LTO_CGRAPH_MERGE , "ipa lto cgraph merge")
DEFTIMEVAR (TV_LTO , "lto")
DEFTIMEVAR (TV_WHOPR_WPA , "whopr wpa")
DEFTIMEVAR (TV_WHOPR_WPA_IO , "whopr wpa I/O")
DEFTIMEVAR (TV_WHOPR_PARTITIONING , "whopr partitioning")
DEFTIMEVAR (TV_WHOPR_LTRANS , "whopr ltrans")
DEFTIMEVAR (TV_IPA_REFERENCE , "ipa reference")
DEFTIMEVAR (TV_IPA_PROFILE , "ipa profile")
DEFTIMEVAR (TV_IPA_AUTOFDO , "auto profile")
DEFTIMEVAR (TV_IPA_PURE_CONST , "ipa pure const")
DEFTIMEVAR (TV_IPA_ICF , "ipa icf")
DEFTIMEVAR (TV_IPA_PTA , "ipa points-to")
DEFTIMEVAR (TV_IPA_SRA , "ipa SRA")
DEFTIMEVAR (TV_IPA_FREE_LANG_DATA , "ipa free lang data")
DEFTIMEVAR (TV_IPA_FREE_INLINE_SUMMARY, "ipa free inline summary")
DEFTIMEVAR (TV_IPA_MODREF , "ipa modref")
/* Time spent by constructing CFG. */
DEFTIMEVAR (TV_CFG , "cfg construction")
/* Time spent by cleaning up CFG. */
DEFTIMEVAR (TV_CLEANUP_CFG , "cfg cleanup")
DEFTIMEVAR (TV_CFG_VERIFY , "CFG verifier")
DEFTIMEVAR (TV_DELETE_TRIVIALLY_DEAD , "trivially dead code")
/* Time spent in dataflow problems. */
DEFTIMEVAR (TV_DF_SCAN , "df scan insns")
DEFTIMEVAR (TV_DF_MD , "df multiple defs")
DEFTIMEVAR (TV_DF_RD , "df reaching defs")
DEFTIMEVAR (TV_DF_LR , "df live regs")
DEFTIMEVAR (TV_DF_LIVE , "df live&initialized regs")
DEFTIMEVAR (TV_DF_MIR , "df must-initialized regs")
DEFTIMEVAR (TV_DF_CHAIN , "df use-def / def-use chains")
DEFTIMEVAR (TV_DF_WORD_LR , "df live reg subwords")
DEFTIMEVAR (TV_DF_NOTE , "df reg dead/unused notes")
DEFTIMEVAR (TV_REG_STATS , "register information")
DEFTIMEVAR (TV_ALIAS_ANALYSIS , "alias analysis")
DEFTIMEVAR (TV_ALIAS_STMT_WALK , "alias stmt walking")
DEFTIMEVAR (TV_REG_SCAN , "register scan")
DEFTIMEVAR (TV_REBUILD_JUMP , "rebuild jump labels")
/* Timing in various stages of the compiler. */
DEFTIMEVAR (TV_CPP , "preprocessing")
DEFTIMEVAR (TV_LEX , "lexical analysis")
DEFTIMEVAR (TV_PARSE_GLOBAL , "parser (global)")
DEFTIMEVAR (TV_PARSE_STRUCT , "parser struct body")
DEFTIMEVAR (TV_PARSE_ENUM , "parser enumerator list")
DEFTIMEVAR (TV_PARSE_FUNC , "parser function body")
DEFTIMEVAR (TV_PARSE_INLINE , "parser inl. func. body")
DEFTIMEVAR (TV_PARSE_INMETH , "parser inl. meth. body")
DEFTIMEVAR (TV_TEMPLATE_INST , "template instantiation")
DEFTIMEVAR (TV_CONSTEXPR , "constant expression evaluation")
DEFTIMEVAR (TV_CONSTRAINT_NORM , "constraint normalization")
DEFTIMEVAR (TV_CONSTRAINT_SAT , "constraint satisfaction")
DEFTIMEVAR (TV_CONSTRAINT_SUB , "constraint subsumption")
DEFTIMEVAR (TV_MODULE_IMPORT , "module import")
DEFTIMEVAR (TV_MODULE_EXPORT , "module export")
DEFTIMEVAR (TV_MODULE_MAPPER , "module mapper")
DEFTIMEVAR (TV_FLATTEN_INLINING , "flatten inlining")
DEFTIMEVAR (TV_EARLY_INLINING , "early inlining heuristics")
DEFTIMEVAR (TV_INLINE_PARAMETERS , "inline parameters")
DEFTIMEVAR (TV_INTEGRATION , "integration")
DEFTIMEVAR (TV_TREE_GIMPLIFY , "tree gimplify")
DEFTIMEVAR (TV_TREE_EH , "tree eh")
DEFTIMEVAR (TV_TREE_CFG , "tree CFG construction")
DEFTIMEVAR (TV_TREE_CLEANUP_CFG , "tree CFG cleanup")
DEFTIMEVAR (TV_TREE_TAIL_MERGE , "tree tail merge")
DEFTIMEVAR (TV_TREE_VRP , "tree VRP")
DEFTIMEVAR (TV_TREE_VRP_THREADER , "tree VRP threader")
DEFTIMEVAR (TV_TREE_EARLY_VRP , "tree Early VRP")
DEFTIMEVAR (TV_TREE_COPY_PROP , "tree copy propagation")
DEFTIMEVAR (TV_FIND_REFERENCED_VARS , "tree find ref. vars")
DEFTIMEVAR (TV_TREE_PTA , "tree PTA")
DEFTIMEVAR (TV_TREE_SSA_OTHER , "tree SSA other")
DEFTIMEVAR (TV_TREE_INTO_SSA , "tree SSA rewrite")
DEFTIMEVAR (TV_TREE_SSA_INCREMENTAL , "tree SSA incremental")
DEFTIMEVAR (TV_TREE_OPS , "tree operand scan")
DEFTIMEVAR (TV_TREE_SSA_DOMINATOR_OPTS , "dominator optimization")
DEFTIMEVAR (TV_TREE_SSA_THREAD_JUMPS , "backwards jump threading")
DEFTIMEVAR (TV_TREE_SRA , "tree SRA")
DEFTIMEVAR (TV_ISOLATE_ERRONEOUS_PATHS , "isolate eroneous paths")
DEFTIMEVAR (TV_TREE_CCP , "tree CCP")
DEFTIMEVAR (TV_TREE_SPLIT_EDGES , "tree split crit edges")
DEFTIMEVAR (TV_TREE_REASSOC , "tree reassociation")
DEFTIMEVAR (TV_TREE_PRE , "tree PRE")
DEFTIMEVAR (TV_TREE_FRE , "tree FRE")
DEFTIMEVAR (TV_TREE_RPO_VN , "tree RPO VN")
DEFTIMEVAR (TV_TREE_SINK , "tree code sinking")
DEFTIMEVAR (TV_TREE_PHIOPT , "tree linearize phis")
DEFTIMEVAR (TV_TREE_BACKPROP , "tree backward propagate")
DEFTIMEVAR (TV_TREE_FORWPROP , "tree forward propagate")
DEFTIMEVAR (TV_TREE_PHIPROP , "tree phiprop")
DEFTIMEVAR (TV_TREE_DCE , "tree conservative DCE")
DEFTIMEVAR (TV_TREE_CD_DCE , "tree aggressive DCE")
DEFTIMEVAR (TV_TREE_CALL_CDCE , "tree buildin call DCE")
DEFTIMEVAR (TV_TREE_DSE , "tree DSE")
DEFTIMEVAR (TV_TREE_MERGE_PHI , "PHI merge")
DEFTIMEVAR (TV_TREE_LOOP , "tree loop optimization")
DEFTIMEVAR (TV_TREE_NOLOOP , "loopless fn")
DEFTIMEVAR (TV_TREE_LOOP_BOUNDS , "tree loop bounds")
DEFTIMEVAR (TV_LIM , "tree loop invariant motion")
DEFTIMEVAR (TV_LINTERCHANGE , "tree loop interchange")
DEFTIMEVAR (TV_TREE_LOOP_IVCANON , "tree canonical iv")
DEFTIMEVAR (TV_SCEV_CONST , "scev constant prop")
DEFTIMEVAR (TV_TREE_LOOP_UNSWITCH , "tree loop unswitching")
DEFTIMEVAR (TV_LOOP_SPLIT , "loop splitting")
DEFTIMEVAR (TV_LOOP_JAM , "unroll and jam")
DEFTIMEVAR (TV_COMPLETE_UNROLL , "complete unrolling")
DEFTIMEVAR (TV_SCALAR_CLEANUP , "scalar cleanup")
DEFTIMEVAR (TV_TREE_PARALLELIZE_LOOPS, "tree parallelize loops")
DEFTIMEVAR (TV_TREE_VECTORIZATION , "tree vectorization")
DEFTIMEVAR (TV_TREE_SLP_VECTORIZATION, "tree slp vectorization")
DEFTIMEVAR (TV_GRAPHITE , "Graphite")
DEFTIMEVAR (TV_GRAPHITE_TRANSFORMS , "Graphite loop transforms")
DEFTIMEVAR (TV_GRAPHITE_DATA_DEPS , "Graphite data dep analysis")
DEFTIMEVAR (TV_GRAPHITE_CODE_GEN , "Graphite code generation")
DEFTIMEVAR (TV_TREE_LOOP_DISTRIBUTION, "tree loop distribution")
DEFTIMEVAR (TV_CHECK_DATA_DEPS , "tree check data dependences")
DEFTIMEVAR (TV_TREE_PREFETCH , "tree prefetching")
DEFTIMEVAR (TV_TREE_LOOP_IVOPTS , "tree iv optimization")
DEFTIMEVAR (TV_PREDCOM , "predictive commoning")
DEFTIMEVAR (TV_TREE_CH , "tree copy headers")
DEFTIMEVAR (TV_TREE_SSA_UNCPROP , "tree SSA uncprop")
DEFTIMEVAR (TV_TREE_NRV , "tree NRV optimization")
DEFTIMEVAR (TV_TREE_COPY_RENAME , "tree rename SSA copies")
DEFTIMEVAR (TV_TREE_SSA_VERIFY , "tree SSA verifier")
DEFTIMEVAR (TV_TREE_STMT_VERIFY , "tree STMT verifier")
DEFTIMEVAR (TV_TREE_SWITCH_CONVERSION, "tree switch conversion")
DEFTIMEVAR (TV_TREE_SWITCH_LOWERING, "tree switch lowering")
DEFTIMEVAR (TV_TREE_RECIP , "gimple CSE reciprocals")
DEFTIMEVAR (TV_TREE_SINCOS , "gimple CSE sin/cos")
DEFTIMEVAR (TV_TREE_POWCABS , "gimple expand pow/cabs")
DEFTIMEVAR (TV_TREE_WIDEN_MUL , "gimple widening/fma detection")
DEFTIMEVAR (TV_TRANS_MEM , "transactional memory")
DEFTIMEVAR (TV_TREE_STRLEN , "tree strlen optimization")
DEFTIMEVAR (TV_TREE_MODREF , "tree modref")
DEFTIMEVAR (TV_TREE_ASSUMPTIONS , "tree assumptions")
DEFTIMEVAR (TV_CGRAPH_VERIFY , "callgraph verifier")
DEFTIMEVAR (TV_DOM_FRONTIERS , "dominance frontiers")
DEFTIMEVAR (TV_DOMINANCE , "dominance computation")
DEFTIMEVAR (TV_CONTROL_DEPENDENCES , "control dependences")
DEFTIMEVAR (TV_OUT_OF_SSA , "out of ssa")
DEFTIMEVAR (TV_VAR_EXPAND , "expand vars")
DEFTIMEVAR (TV_EXPAND , "expand")
DEFTIMEVAR (TV_POST_EXPAND , "post expand cleanups")
DEFTIMEVAR (TV_VARCONST , "varconst")
DEFTIMEVAR (TV_LOWER_SUBREG , "lower subreg")
DEFTIMEVAR (TV_JUMP , "jump")
DEFTIMEVAR (TV_FWPROP , "forward prop")
DEFTIMEVAR (TV_CSE , "CSE")
DEFTIMEVAR (TV_DCE , "dead code elimination")
DEFTIMEVAR (TV_DSE1 , "dead store elim1")
DEFTIMEVAR (TV_DSE2 , "dead store elim2")
DEFTIMEVAR (TV_LOOP , "loop analysis")
DEFTIMEVAR (TV_LOOP_INIT , "loop init")
DEFTIMEVAR (TV_LOOP_VERSIONING , "loop versioning")
DEFTIMEVAR (TV_LOOP_MOVE_INVARIANTS , "loop invariant motion")
DEFTIMEVAR (TV_LOOP_UNROLL , "loop unrolling")
DEFTIMEVAR (TV_LOOP_DOLOOP , "loop doloop")
DEFTIMEVAR (TV_LOOP_FINI , "loop fini")
DEFTIMEVAR (TV_CPROP , "CPROP")
DEFTIMEVAR (TV_PRE , "PRE")
DEFTIMEVAR (TV_HOIST , "code hoisting")
DEFTIMEVAR (TV_LSM , "LSM")
DEFTIMEVAR (TV_TRACER , "tracer")
DEFTIMEVAR (TV_WEB , "web")
DEFTIMEVAR (TV_AUTO_INC_DEC , "auto inc dec")
DEFTIMEVAR (TV_CSE2 , "CSE 2")
DEFTIMEVAR (TV_BRANCH_PROB , "branch prediction")
DEFTIMEVAR (TV_COMBINE , "combiner")
DEFTIMEVAR (TV_IFCVT , "if-conversion")
DEFTIMEVAR (TV_MODE_SWITCH , "mode switching")
DEFTIMEVAR (TV_SMS , "sms modulo scheduling")
DEFTIMEVAR (TV_LIVE_RANGE_SHRINKAGE , "live range shrinkage")
DEFTIMEVAR (TV_SCHED , "scheduling")
DEFTIMEVAR (TV_EARLY_REMAT , "early rematerialization")
DEFTIMEVAR (TV_IRA , "integrated RA")
DEFTIMEVAR (TV_LRA , "LRA non-specific")
DEFTIMEVAR (TV_LRA_ELIMINATE , "LRA virtuals elimination")
DEFTIMEVAR (TV_LRA_INHERITANCE , "LRA reload inheritance")
DEFTIMEVAR (TV_LRA_CREATE_LIVE_RANGES, "LRA create live ranges")
DEFTIMEVAR (TV_LRA_ASSIGN , "LRA hard reg assignment")
DEFTIMEVAR (TV_LRA_COALESCE , "LRA coalesce pseudo regs")
DEFTIMEVAR (TV_LRA_REMAT , "LRA rematerialization")
DEFTIMEVAR (TV_RELOAD , "reload")
DEFTIMEVAR (TV_RELOAD_CSE_REGS , "reload CSE regs")
DEFTIMEVAR (TV_GCSE_AFTER_RELOAD , "load CSE after reload")
DEFTIMEVAR (TV_REE , "ree")
DEFTIMEVAR (TV_THREAD_PROLOGUE_AND_EPILOGUE, "thread pro- & epilogue")
DEFTIMEVAR (TV_IFCVT2 , "if-conversion 2")
DEFTIMEVAR (TV_SPLIT_PATHS , "split paths")
DEFTIMEVAR (TV_COMBINE_STACK_ADJUST , "combine stack adjustments")
DEFTIMEVAR (TV_PEEPHOLE2 , "peephole 2")
DEFTIMEVAR (TV_RENAME_REGISTERS , "rename registers")
DEFTIMEVAR (TV_SCHED_FUSION , "scheduling fusion")
DEFTIMEVAR (TV_CPROP_REGISTERS , "hard reg cprop")
DEFTIMEVAR (TV_SCHED2 , "scheduling 2")
DEFTIMEVAR (TV_MACH_DEP , "machine dep reorg")
DEFTIMEVAR (TV_DBR_SCHED , "delay branch sched")
DEFTIMEVAR (TV_REORDER_BLOCKS , "reorder blocks")
DEFTIMEVAR (TV_SHORTEN_BRANCH , "shorten branches")
DEFTIMEVAR (TV_REG_STACK , "reg stack")
DEFTIMEVAR (TV_FINAL , "final")
DEFTIMEVAR (TV_VAROUT , "variable output")
DEFTIMEVAR (TV_SYMOUT , "symout")
DEFTIMEVAR (TV_VAR_TRACKING , "variable tracking")
DEFTIMEVAR (TV_VAR_TRACKING_DATAFLOW , "var-tracking dataflow")
DEFTIMEVAR (TV_VAR_TRACKING_EMIT , "var-tracking emit")
DEFTIMEVAR (TV_TREE_IFCOMBINE , "tree if-combine")
DEFTIMEVAR (TV_TREE_IF_TO_SWITCH , "if to switch conversion")
DEFTIMEVAR (TV_TREE_UNINIT , "uninit var analysis")
DEFTIMEVAR (TV_PLUGIN_INIT , "plugin initialization")
DEFTIMEVAR (TV_PLUGIN_RUN , "plugin execution")
DEFTIMEVAR (TV_GIMPLE_SLSR , "straight-line strength reduction")
DEFTIMEVAR (TV_GIMPLE_STORE_MERGING , "store merging")
DEFTIMEVAR (TV_VTABLE_VERIFICATION , "vtable verification")
DEFTIMEVAR (TV_TREE_UBSAN , "tree ubsan")
DEFTIMEVAR (TV_INITIALIZE_RTL , "initialize rtl")
DEFTIMEVAR (TV_GIMPLE_LADDRESS , "address lowering")
DEFTIMEVAR (TV_TREE_LOOP_IFCVT , "tree loop if-conversion")
DEFTIMEVAR (TV_WARN_ACCESS , "access analysis")
/* Everything else in rest_of_compilation not included above. */
DEFTIMEVAR (TV_EARLY_LOCAL , "early local passes")
DEFTIMEVAR (TV_OPTIMIZE , "unaccounted optimizations")
DEFTIMEVAR (TV_REST_OF_COMPILATION , "rest of compilation")
DEFTIMEVAR (TV_POSTRELOAD , "unaccounted post reload")
DEFTIMEVAR (TV_LATE_COMPILATION , "unaccounted late compilation")
DEFTIMEVAR (TV_REMOVE_UNUSED , "remove unused locals")
DEFTIMEVAR (TV_ADDRESS_TAKEN , "address taken")
DEFTIMEVAR (TV_TODO , "unaccounted todo")
DEFTIMEVAR (TV_VERIFY_LOOP_CLOSED , "verify loop closed")
DEFTIMEVAR (TV_VERIFY_RTL_SHARING , "verify RTL sharing")
DEFTIMEVAR (TV_REBUILD_FREQUENCIES , "rebuild frequencies")
DEFTIMEVAR (TV_REPAIR_LOOPS , "repair loop structures")
/* Stuff used by libgccjit.so. */
DEFTIMEVAR (TV_JIT_REPLAY , "replay of JIT client activity")
DEFTIMEVAR (TV_ASSEMBLE , "assemble JIT code")
DEFTIMEVAR (TV_LINK , "link JIT code")
DEFTIMEVAR (TV_LOAD , "load JIT result")
DEFTIMEVAR (TV_JIT_ACQUIRING_MUTEX , "acquiring JIT mutex")
DEFTIMEVAR (TV_JIT_CLIENT_CODE , "JIT client code")
/* Analyzer timevars. */
DEFTIMEVAR (TV_ANALYZER , "analyzer")
DEFTIMEVAR (TV_ANALYZER_SUPERGRAPH , "analyzer: supergraph")
DEFTIMEVAR (TV_ANALYZER_STATE_PURGE , "analyzer: state purge")
DEFTIMEVAR (TV_ANALYZER_PLAN , "analyzer: planning")
DEFTIMEVAR (TV_ANALYZER_SCC , "analyzer: scc")
DEFTIMEVAR (TV_ANALYZER_WORKLIST , "analyzer: processing worklist")
DEFTIMEVAR (TV_ANALYZER_DUMP , "analyzer: dump")
DEFTIMEVAR (TV_ANALYZER_DIAGNOSTICS , "analyzer: emitting diagnostics")
DEFTIMEVAR (TV_ANALYZER_SHORTEST_PATHS, "analyzer: shortest paths")
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