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| author | Jakub Jelinek <jakub@redhat.com> | 2011-06-22 22:37:54 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-06-22 22:37:54 +0200 |
| commit | 4fb489e7968448aaa9321d863660530a81d06f4c (patch) | |
| tree | d8a4ec106c6e34e75ec1f781325970c2764efed7 /gcc/tree-vect-patterns.c | |
| parent | 7d059f1894e61304a172cfcb37ee6d92a0227ba9 (diff) | |
| download | gcc-4fb489e7968448aaa9321d863660530a81d06f4c.tar.gz | |
re PR debug/49496 (-fcompare-debug failure (length) with -O -ftree-vectorize)
PR debug/49496
* tree-vect-patterns.c (vect_recog_widen_mult_pattern): Ignore debug
uses.
* gcc.dg/pr49496.c: New test.
From-SVN: r175314
Diffstat (limited to 'gcc/tree-vect-patterns.c')
| -rw-r--r-- | gcc/tree-vect-patterns.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c index ce941425e0c..429dd87cfff 100644 --- a/gcc/tree-vect-patterns.c +++ b/gcc/tree-vect-patterns.c @@ -1,5 +1,6 @@ /* Analysis Utilities for Loop Vectorization. - Copyright (C) 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. + Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 + Free Software Foundation, Inc. Contributed by Dorit Nuzman <dorit@il.ibm.com> This file is part of GCC. @@ -557,6 +558,8 @@ vect_recog_widen_mult_pattern (VEC (gimple, heap) **stmts, FOR_EACH_IMM_USE_FAST (use_p, imm_iter, lhs) { + if (is_gimple_debug (USE_STMT (use_p))) + continue; use_stmt = USE_STMT (use_p); nuses++; } |