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| author | Alexandre Oliva <oliva@adacore.com> | 2022-12-29 14:32:53 -0300 |
|---|---|---|
| committer | Alexandre Oliva <oliva@gnu.org> | 2022-12-29 14:39:46 -0300 |
| commit | e2535c6035270c8b46491c6d33285ac29362bdf7 (patch) | |
| tree | 1214b7fba792636de4603c1b1d6c529ad3a15e76 | |
| parent | 8251f319439ff9ae0816d31db861b8681c953fc1 (diff) | |
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ssa-loop-niter: skip caching of null operands
When a TREE_OPERAND is NULL, do not cache it.
for gcc/ChangeLog
* tree-ssa-loop-niter.cc (expand_simple_operands): Refrain
from caching NULL TREE_OPERANDs.
| -rw-r--r-- | gcc/tree-ssa-loop-niter.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.cc b/gcc/tree-ssa-loop-niter.cc index fece876..1764564 100644 --- a/gcc/tree-ssa-loop-niter.cc +++ b/gcc/tree-ssa-loop-niter.cc @@ -2325,6 +2325,8 @@ expand_simple_operations (tree expr, tree stop, hash_map<tree, tree> &cache) for (i = 0; i < n; i++) { e = TREE_OPERAND (expr, i); + if (!e) + continue; /* SCEV analysis feeds us with a proper expression graph matching the SSA graph. Avoid turning it into a tree here, thus handle tree sharing |