com php-src: Remove live ranges: ext/opcache/Optimizer/block_ pass.c

Commit: 5274cefb4d0875dc0fa7228892fa290a8f64ccf5 Author: Dmitry Stogov <dmitry@zend.com> Wed, 19 Jul 2017 13:06:25 +0300 Parents: ecb67e59d70da30b58e032c88ac8365bddd03a35 Branches: PHP-7.2 master Link: http://git.php.net/?p=php-src.git;a=commitdiff;h=5274cefb4d0875dc0fa7228892fa290a8f64ccf5 Log: Remove live ranges Changed paths: M ext/opcache/Optimizer/block_pass.c Diff: diff --git a/ext/opcache/Optimizer/block_pass.c b/ext/opcache/Optimizer/block_pass.c index 0770882..41934f1 100644 --- a/ext/opcache/Optimizer/block_pass.c +++ b/ext/opcache/Optimizer/block_pass.c @@ -182,6 +182,7 @@ static void zend_optimize_block(zend_basic_block *block, zend_op_array *op_array ) { znode_op op1 = opline->op1; if (opline->opcode == ZEND_VERIFY_RETURN_TYPE) { + zend_optimizer_remove_live_range(op_array, op1.var); COPY_NODE(opline->result, opline->op1); COPY_NODE(opline->op1, src->op1); VAR_SOURCE(op1) = NULL; @@ -230,6 +231,7 @@ static void zend_optimize_block(zend_basic_block *block, zend_op_array *op_array src->opcode == ZEND_CAST && src->extended_value == IS_STRING) { /* T = CAST(X, String), ECHO(T) => NOP, ECHO(X) */ + zend_optimizer_remove_live_range(op_array, opline->op1.var); VAR_SOURCE(opline->op1) = NULL; COPY_NODE(opline->op1, src->op1); MAKE_NOP(src); @@ -650,6 +652,7 @@ static void zend_optimize_block(zend_basic_block *block, zend_op_array *op_array src->opcode == ZEND_CAST && src->extended_value == IS_STRING) { /* convert T1 = CAST(STRING, X), T2 = CONCAT(T1, Y) to T2 = CONCAT(X,Y) */ + zend_optimizer_remove_live_range(op_array, opline->op1.var); VAR_SOURCE(opline->op1) = NULL; COPY_NODE(opline->op1, src->op1); MAKE_NOP(src); @@ -661,6 +664,7 @@ static void zend_optimize_block(zend_basic_block *block, zend_op_array *op_array src->opcode == ZEND_CAST && src->extended_value == IS_STRING) { /* convert T1 = CAST(STRING, X), T2 = CONCAT(Y, T1) to T2 = CONCAT(Y,X) */ + zend_optimizer_remove_live_range(op_array, opline->op2.var); zend_op *src = VAR_SOURCE(opline->op2); VAR_SOURCE(opline->op2) = NULL; COPY_NODE(opline->op2, src->op1);