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re PR debug/43650 ("-fcompare-debug failure" with "-O2 -fpeel-loops -fgraphite-identity")

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PR debug/43650
PR debug/44181
PR debug/44247
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
debug stmts.
(canonicalize_loop_ivs): Likewise.

From-SVN: r160762
This commit is contained in:
Alexandre Oliva 2010-06-14 19:18:18 +00:00 • committed by Alexandre Oliva
parent c11b0b3b81
commit 22963fee5b
2 changed files with 11 additions and 2 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2010-06-14 Alexandre Oliva <aoliva@redhat.com>
PR debug/43650
PR debug/44181
PR debug/44247
* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
debug stmts.
(canonicalize_loop_ivs): Likewise.
2010-06-14 Alexandre Oliva <aoliva@redhat.com>
PR debug/43656

4
gcc/tree-ssa-loop-manip.c
View file

@ -1081,7 +1081,7 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor,
/* Finally create the new counter for number of iterations and add the new
exit instruction. */
bsi = gsi_last_bb (exit_bb);
bsi = gsi_last_nondebug_bb (exit_bb);
exit_if = gsi_stmt (bsi);
create_iv (exit_base, exit_step, NULL_TREE, loop,
&bsi, false, &ctr_before, &ctr_after);
@ -1217,7 +1217,7 @@ canonicalize_loop_ivs (struct loop *loop, tree *nit, bool bump_in_latch)
gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts);
}
gsi = gsi_last_bb (bump_in_latch ? loop->latch : loop->header);
gsi = gsi_last_nondebug_bb (bump_in_latch ? loop->latch : loop->header);
create_iv (build_int_cst_type (type, 0), build_int_cst (type, 1), NULL_TREE,
loop, &gsi, bump_in_latch, &var_before, NULL);