+2013-03-08 Richard Biener <rguenther@suse.de>
+
+ * tree-ssa-ter.c (is_replaceable_p): Do not TER across location
+ or block changes with -Og. Fix for location / block encoding
+ changes and PHI arguments with locations.
+
2013-03-07 Steven Bosscher <steven@gcc.gnu.org>
* bitmap.c (struct bitmap_descriptor_d): Use unsigned HOST_WIDEST_INT
return false;
locus1 = gimple_location (stmt);
- block1 = gimple_block (stmt);
+ block1 = LOCATION_BLOCK (locus1);
+ locus1 = LOCATION_LOCUS (locus1);
if (gimple_code (use_stmt) == GIMPLE_PHI)
- {
- locus2 = 0;
- block2 = NULL_TREE;
- }
+ locus2 = gimple_phi_arg_location (use_stmt, PHI_ARG_INDEX_FROM_USE (use_p));
else
- {
- locus2 = gimple_location (use_stmt);
- block2 = gimple_block (use_stmt);
- }
+ locus2 = gimple_location (use_stmt);
+ block2 = LOCATION_BLOCK (locus2);
+ locus2 = LOCATION_LOCUS (locus2);
- if (!optimize
+ if ((!optimize || optimize_debug)
&& ter
- && ((locus1 && locus1 != locus2) || (block1 && block1 != block2)))
+ && ((locus1 != UNKNOWN_LOCATION
+ && locus1 != locus2)
+ || (block1 != NULL_TREE
+ && block1 != block2)))
return false;
/* Used in this block, but at the TOP of the block, not the end. */