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| author | Bin Cheng <bin.cheng@linux.alibaba.com> | 2019-04-08 11:52:18 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-04-08 11:52:18 +0000 |
| commit | d6366157deac0b526ce7ecfd2821745eecce06c8 (patch) | |
| tree | 3042ff24ef928ab4c8b2ad26e74939b33f07787b /gcc/tree-data-ref.h | |
| parent | 145f764aae16c101baf41c815abe99353fcf797d (diff) | |
| download | gcc-d6366157deac0b526ce7ecfd2821745eecce06c8.zip gcc-d6366157deac0b526ce7ecfd2821745eecce06c8.tar.gz gcc-d6366157deac0b526ce7ecfd2821745eecce06c8.tar.bz2 | |
re PR middle-end/89725 (ICE in get_fnname_from_decl, at varasm.c:1723)
2019-04-01 Bin Cheng <bin.cheng@linux.alibaba.com>
PR tree-optimization/89725
* tree-chrec.c (chrec_contains_symbols): New parameter. Handle outer
loop's chrec as invariant symbol.
* tree-chrec.h (chrec_contains_symbols): New parameter.
* tree-data-ref.c (analyze_miv_subscript): Pass new argument.
(build_classic_dist_vector_1, add_other_self_distances): Bypass access
function of loops not in DDR's loop_nest.
* tree-data-ref.h (index_in_loop_nest): Add unreachable check.
* gcc.dg/tree-ssa/pr89725.c: New test.
From-SVN: r270203
Diffstat (limited to 'gcc/tree-data-ref.h')
| -rw-r--r-- | gcc/tree-data-ref.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/tree-data-ref.h b/gcc/tree-data-ref.h index 11aa806..2a5082d 100644 --- a/gcc/tree-data-ref.h +++ b/gcc/tree-data-ref.h @@ -580,12 +580,11 @@ index_in_loop_nest (int var, vec<loop_p> loop_nest) struct loop *loopi; int var_index; - for (var_index = 0; loop_nest.iterate (var_index, &loopi); - var_index++) + for (var_index = 0; loop_nest.iterate (var_index, &loopi); var_index++) if (loopi->num == var) - break; + return var_index; - return var_index; + gcc_unreachable (); } /* Returns true when the data reference DR the form "A[i] = ..." |