| commit | 8953c928db1f2b3b6ae5222401376dc6e8f68a66 | |
| author | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 19 Nov 2014 10:50:42 +0000 (19 10:50 +0000) | ||
| committer | vries <vries@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Wed, 19 Nov 2014 10:50:42 +0000 (19 10:50 +0000) | ||
| tree | d4b5e81d3a97943a8ee160242415c45fc09bbb48 | treesnapshot (tar.gz zip) |
| parent | e123861be95a5c6a341caec0d524e7e8d5ac1ee9 | commitdiff |
Fix tail-merge pass for dead type-unsafe code
2014-11-19 Tom de Vries <tom@codesourcery.com>
Backport from mainline
PR tree-optimization/62167
* tree-ssa-tail-merge.c (stmt_local_def): Handle statements with vuse
conservatively.
(gimple_equal_p): Don't use vn_valueize to compare for lhs equality of
assigns.
* gcc.dg/pr51879-12.c: Add xfails.
* gcc.dg/pr62167-run.c: New test.
* gcc.dg/pr62167.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@217763 138bc75d-0d04-0410-961f-82ee72b054a4
2014-11-19 Tom de Vries <tom@codesourcery.com>
Backport from mainline
PR tree-optimization/62167
* tree-ssa-tail-merge.c (stmt_local_def): Handle statements with vuse
conservatively.
(gimple_equal_p): Don't use vn_valueize to compare for lhs equality of
assigns.
* gcc.dg/pr51879-12.c: Add xfails.
* gcc.dg/pr62167-run.c: New test.
* gcc.dg/pr62167.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_9-branch@217763 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/ChangeLog | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/pr51879-12.c | diffblobblamehistory | |
| gcc/testsuite/gcc.dg/pr62167-run.c | [new file with mode: 0644] | blob |
| gcc/testsuite/gcc.dg/pr62167.c | [new file with mode: 0644] | blob |
| gcc/tree-ssa-tail-merge.c | diffblobblamehistory |