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| author | Richard Guenther <rguenther@suse.de> | 2012-04-19 13:21:44 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-04-19 13:21:44 +0000 |
| commit | 7c98ec605d9c9d2bbb6d431016ebe74a73f0a522 (patch) | |
| tree | a2f7dacb2f044e04666a7600de6ac18e05ddf917 /gcc/tree-vrp.c | |
| parent | 80f24351309c3322a48f5a58231fc13b8de74d4b (diff) | |
| download | gcc-7c98ec605d9c9d2bbb6d431016ebe74a73f0a522.zip gcc-7c98ec605d9c9d2bbb6d431016ebe74a73f0a522.tar.gz gcc-7c98ec605d9c9d2bbb6d431016ebe74a73f0a522.tar.bz2 | |
re PR middle-end/53031 (gcc.dg/tree-ssa/vrp54.c scan-tree-dump-not vrp1 "link_error")
2012-04-19 Richard Guenther <rguenther@suse.de>
PR tree-optimization/53031
* tree-vrp.c (adjust_range_with_scev): Revert back to
using max_loop_iterations.
From-SVN: r186592
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index 6602afb..73b3bb4 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -3420,7 +3420,9 @@ adjust_range_with_scev (value_range_t *vr, struct loop *loop, { double_int nit; - if (max_stmt_executions (loop, &nit)) + /* We are only entering here for loop header PHI nodes, so using + the number of latch executions is the correct thing to use. */ + if (max_loop_iterations (loop, &nit)) { value_range_t maxvr = { VR_UNDEFINED, NULL_TREE, NULL_TREE, NULL }; double_int dtmp; |