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re PR tree-optimization/21532 (ICE caused by PRE dead instruction removal)

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2005-05-12  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/21532
	* tree-ssa-pre.c (create_expression_by_pieces): stmt
	needs to go onto the inserted_exprs list.

From-SVN: r99617
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Daniel Berlin 2005-05-12 17:11:16 +00:00 • committed by Daniel Berlin
parent feea5b18cc
commit 7cc70b5e3c
2 changed files with 8 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-05-12 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/21532
* tree-ssa-pre.c (create_expression_by_pieces): stmt
needs to go onto the inserted_exprs list.
2005-05-12 Ian Lance Taylor <ian@airs.com>
* c-common.h (statement_code_p): Don't declare.

2
gcc/tree-ssa-pre.c
View file

@ -1369,6 +1369,8 @@ create_expression_by_pieces (basic_block block, tree expr, tree stmts)
tree forcedname = TREE_OPERAND (stmt, 0);
tree forcedexpr = TREE_OPERAND (stmt, 1);
tree val = vn_lookup_or_add (forcedexpr, NULL);
VEC_safe_push (tree, heap, inserted_exprs, stmt);
vn_add (forcedname, val, NULL);
bitmap_value_replace_in_set (NEW_SETS (block), forcedname);
bitmap_value_replace_in_set (AVAIL_OUT (block), forcedname);