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| author | Richard Guenther <rguenther@suse.de> | 2009-11-24 11:57:26 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-11-24 11:57:26 +0000 |
| commit | 1415abc0e76749e209a9e4decbf489fb96c66cb3 (patch) | |
| tree | f19106fba13eb4041c815fa48f36964d90f21528 /gcc/rtl.h | |
| parent | 09f0dc451db76a059e097c7cd115d65a86dff66e (diff) | |
| download | gcc-1415abc0e76749e209a9e4decbf489fb96c66cb3.zip gcc-1415abc0e76749e209a9e4decbf489fb96c66cb3.tar.gz gcc-1415abc0e76749e209a9e4decbf489fb96c66cb3.tar.bz2 | |
re PR tree-optimization/42142 (DCE miscompiles a certain quicksort implementation when optimizing with -O1 or higher)
2009-11-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/42142
* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1):
Handle iv-dependent (non-)kills properly.
(mark_aliased_reaching_defs_necessary): Pass the basic-block
of the reference statement to mark_aliased_reaching_defs_necessary_1.
* gcc.c-torture/execute/pr42142.c: New testcase.
From-SVN: r154494
Diffstat (limited to 'gcc/rtl.h')
0 files changed, 0 insertions, 0 deletions