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/php-src/
H A DCODING_STANDARDS.md245 variable declaration section and the statements in a block, as well as
246 between logical statement groups in a block. Maintain at least one empty
H A DCONTRIBUTING.md434 New source code files should include the following header block:
/php-src/Zend/Optimizer/
H A Dblock_pass.c115 return block->successors[block->successors_count - 1]; in get_const_switch_target()
119 return block->successors[block->successors_count - 1]; in get_const_switch_target()
139 if (block->len == 0) { in zend_optimize_block()
603 block->successors[0] = block->successors[1]; in zend_optimize_block()
604 block->len--; in zend_optimize_block()
657 block->successors[0] = block->successors[1]; in zend_optimize_block()
1194 last_op = op_array->opcodes + block->start + block->len - 1; in zend_jmp_optimization()
1219 block->len--; in zend_jmp_optimization()
1295 block->len--; in zend_jmp_optimization()
1306 block->len--; in zend_jmp_optimization()
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H A Ddce.c569 zend_basic_block *block = &ssa->cfg.blocks[b]; in dce_optimize_op_array() local
570 if (!(block->flags & ZEND_BB_REACHABLE)) { in dce_optimize_op_array()
573 i = block->start + block->len; in dce_optimize_op_array()
574 while (i > block->start) { in dce_optimize_op_array()
H A Ddfa_pass.c528 if (block->successors[1] != block->successors[0]) { in take_successor_0()
538 if (block->successors[1] != block->successors[0]) { in take_successor_1()
540 block->successors[0] = block->successors[1]; in take_successor_1()
561 while (block->len > 0) { in compress_block()
562 zend_op *opline = &op_array->opcodes[block->start + block->len - 1]; in compress_block()
565 block->len--; in compress_block()
704 if (block->predecessors_count == 1 && (block->flags & ZEND_BB_FOLLOW)) { in zend_ssa_unlink_block()
741 if (block->len == 0) { in zend_dfa_optimize_jmps()
767 if (block->len) { in zend_dfa_optimize_jmps()
768 op_num = block->start + block->len - 1; in zend_dfa_optimize_jmps()
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H A Descape_analysis.c97 for (j = 0; j < ssa->cfg.blocks[p->block].predecessors_count; j++) { in zend_build_equi_escape_sets()
H A Dsccp.c1826 int block_num, zend_basic_block *block, in sccp_mark_feasible_successors() argument
1839 scdf_mark_edge_feasible(scdf, block_num, block->successors[0]); in sccp_mark_feasible_successors()
1840 scdf_mark_edge_feasible(scdf, block_num, block->successors[1]); in sccp_mark_feasible_successors()
1852 for (s = 0; s < block->successors_count; s++) { in sccp_mark_feasible_successors()
1853 scdf_mark_edge_feasible(scdf, block_num, block->successors[s]); in sccp_mark_feasible_successors()
1939 s = block->successors_count - 1; in sccp_mark_feasible_successors()
1943 for (s = 0; s < block->successors_count; s++) { in sccp_mark_feasible_successors()
1948 scdf_mark_edge_feasible(scdf, block_num, block->successors[s]); in sccp_mark_feasible_successors()
2044 zend_basic_block *block = &ssa->cfg.blocks[phi->block]; in sccp_visit_phi() local
2055 if (scdf_is_edge_feasible(scdf, phi->pi, phi->block)) { in sccp_visit_phi()
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H A Dscdf.c130 if (i == block->start + block->len - 1) { in scdf_solve()
131 if (block->successors_count == 1) { in scdf_solve()
156 if (block->len == 0) { in scdf_solve()
161 int j, end = block->start + block->len; in scdf_solve()
162 for (j = block->start; j < end; j++) { in scdf_solve()
169 if (block->successors_count == 1) { in scdf_solve()
171 } else if (block->successors_count > 1) { in scdf_solve()
215 for (uint32_t i = block->start; i < block->start + block->len; i++) { in kept_alive_by_loop_var_free()
227 int block_num = block - cfg->blocks; in cleanup_loop_var_free_block()
236 for (uint32_t i = block->start; i < block->start + block->len; i++) { in cleanup_loop_var_free_block()
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H A Dscdf.h44 struct _scdf_ctx *scdf, int block_num, zend_basic_block *block,
H A Dssa_integrity.c70 for (i = 0; i < block->predecessors_count; i++) { in is_in_predecessors()
80 for (s = 0; s < block->successors_count; s++) { in is_in_successors()
81 if (block->successors[s] == check) { in is_in_successors()
361 zend_basic_block *block = &cfg->blocks[i]; in ssa_verify_integrity() local
365 if (i != 0 && block->start < (block-1)->start + (block-1)->len) { in ssa_verify_integrity()
367 i, block->start, (block-1)->start + (block-1)->len); in ssa_verify_integrity()
369 if (i != cfg->blocks_count-1 && block->start + block->len > (block+1)->start) { in ssa_verify_integrity()
371 i, block->start + block->len, (block+1)->start); in ssa_verify_integrity()
374 for (j = block->start; j < block->start + block->len; j++) { in ssa_verify_integrity()
380 if (!(block->flags & ZEND_BB_REACHABLE)) { in ssa_verify_integrity()
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H A Dzend_cfg.c253 block->flags = 0; in initialize_block()
254 block->successors = block->successors_storage; in initialize_block()
255 block->successors_count = 0; in initialize_block()
258 block->idom = -1; in initialize_block()
259 block->loop_header = -1; in initialize_block()
260 block->level = -1; in initialize_block()
261 block->children = -1; in initialize_block()
262 block->next_child = -1; in initialize_block()
498 if (block->len == 0) { in zend_build_cfg()
504 opline = op_array->opcodes + block->start + block->len - 1; in zend_build_cfg()
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H A Dzend_inference.c530 for (j = 0; j < ssa->cfg.blocks[p->block].predecessors_count; j++) { in zend_ssa_find_false_dependencies()
1118 && ssa->cfg.blocks[p->block].predecessors_count == 2 in zend_inference_calc_range()
1132 && ssa->cfg.blocks[p->block].predecessors_count == 2 in zend_inference_calc_range()
1235 for (i = 0; i < ssa->cfg.blocks[p->block].predecessors_count; i++) { in zend_inference_calc_range()
4238 for (i = 0; i < blocks[p->block].predecessors_count; i++) { in zend_infer_types_ex()
4242 for (i = 0; i < blocks[p->block].predecessors_count; i++) { in zend_infer_types_ex()
H A Dzend_ssa.c1139 phi->block = i; in zend_ssa_compute_use_def_chains()
1354 zend_ssa_block *block = &ssa->blocks[phi->block]; in zend_ssa_remove_phi_from_block() local
1517 for (j = block->start; j < block->start + block->len; j++) { in zend_ssa_remove_block()
1558 block->successors_count = 0; in zend_ssa_remove_block_from_cfg()
1559 block->predecessors_count = 0; in zend_ssa_remove_block_from_cfg()
1562 if (block->idom >= 0) { in zend_ssa_remove_block_from_cfg()
1565 ssa->cfg.blocks[block->idom].children = block->next_child; in zend_ssa_remove_block_from_cfg()
1576 block->idom = -1; in zend_ssa_remove_block_from_cfg()
1577 block->level = -1; in zend_ssa_remove_block_from_cfg()
1578 block->children = -1; in zend_ssa_remove_block_from_cfg()
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H A Dzend_ssa.h69 int block; /* current BB index */ member
211 for (j = 0; j < ssa->cfg.blocks[p->block].predecessors_count; j++) { in zend_ssa_next_use_phi()
265 ((phi)->pi >= 0 ? 1 : (ssa->cfg.blocks[(phi)->block].predecessors_count))
306 #define FOREACH_BLOCK(block) do { \ argument
309 (block) = &ssa->cfg.blocks[_i]; \
310 if (!((block)->flags & ZEND_BB_REACHABLE)) { \
/php-src/Zend/tests/
H A Dbug27731.phpt2 Bug #27731 (error_reporing() call inside @ block does not work correctly)
H A Dbug33771.phpt2 Bug #33771 (error_reporting falls to 0 when @ was used inside try/catch block)
H A Dbug34062.phpt2 Bug #34062 (Crash in catch block when many arguments are used)
H A Dbug55086.phpt2 Bug #55086 (Namespace alias does not work inside trait's use block)
H A Dbug70012.phpt2 Bug #70012 (Exception lost with nested finally block)
H A Dbug78271.phpt14 $d2="block";
16 $d1="block";
H A Dbug80194.phpt2 Bug #80194: Assertion failure during block assembly of unreachable free with leading nop
H A Dentry_block_with_predecessors.phpt2 For SSA form the entry block should have no predecessors
H A Dexit_finally_1.phpt6 // TODO: In the future, we should execute the finally block.
H A Dexit_finally_2.phpt6 // TODO: In the future, we should execute the finally block.
H A Dexit_finally_3.phpt6 // TODO: In the future, we should execute the finally block.

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