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* ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug. 

From-SVN: r188867
This commit is contained in:
Alexandre Oliva 2012-06-22 01:30:00 +00:00 committed by Alexandre Oliva
parent ce8fe26dc0
commit 1ca63357cb
2 changed files with 13 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2012-06-21 Alexandre Oliva <aoliva@redhat.com>
* ddg.c (build_intra_loop_deps): Discard deps of nondebug on debug.
2012-06-21 Alexandre Oliva <aoliva@redhat.com>
PR debug/53682

10
gcc/ddg.c
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@ -531,7 +531,15 @@ build_intra_loop_deps (ddg_ptr g)
FOR_EACH_DEP (dest_node->insn, SD_LIST_BACK, sd_it, dep)
{
ddg_node_ptr src_node = get_node_of_insn (g, DEP_PRO (dep));
rtx src_insn = DEP_PRO (dep);
ddg_node_ptr src_node;
/* Don't add dependencies on debug insns to non-debug insns
to avoid codegen differences between -g and -g0. */
if (DEBUG_INSN_P (src_insn) && !DEBUG_INSN_P (dest_node->insn))
continue;
src_node = get_node_of_insn (g, src_insn);
if (!src_node)
continue;