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tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at a PHI argument where a use occurs instead of all PHI arguments. 

* tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
	a PHI argument where a use occurs instead of all PHI arguments.

From-SVN: r97738
This commit is contained in:
Kazu Hirata 2005-04-06 17:41:11 +00:00 committed by Kazu Hirata
parent 5070376f47
commit 55b12f0d74
2 changed files with 8 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2005-04-06 Kazu Hirata <kazu@cs.umass.edu>
* tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
a PHI argument where a use occurs instead of all PHI arguments.
2005-04-06 Joseph S. Myers <joseph@codesourcery.com>
* c-decl.c (finish_decl): Apply pending #pragma weak regardless of

6
gcc/tree-ssa-sink.c
View File

@ -240,10 +240,10 @@ nearest_common_dominator_of_uses (tree stmt)
basic_block useblock;
if (TREE_CODE (usestmt) == PHI_NODE)
{
int j;
for (j = 0; j < PHI_NUM_ARGS (usestmt); j++)
int idx = PHI_ARG_INDEX_FROM_USE (use_p);
if (PHI_ARG_DEF (usestmt, idx) == var)
{
useblock = PHI_ARG_EDGE (usestmt, j)->src;
useblock = PHI_ARG_EDGE (usestmt, idx)->src;
/* Short circuit. Nothing dominates the entry block. */
if (useblock == ENTRY_BLOCK_PTR)
{