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| author | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-20 19:10:44 +0000 |
|---|---|---|
| committer | jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-09-20 19:10:44 +0000 |
| commit | 73a991443f15b27ad2705034699beec4ff8106c6 (patch) | |
| tree | 13704f74fe1fa61712fb5d3b304d3cde911db3ea /gcc/tree-ssa-loop-niter.c | |
| parent | b11b935ef39cbade11a97718a79381786de2803f (diff) | |
| download | gcc-73a991443f15b27ad2705034699beec4ff8106c6.tar.gz | |
PR tree-optimization/23929
* tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
if expr is NULL.
* gcc.c-torture/compile/pr23929.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104461 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 544ead2850a..b720e194201 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -634,11 +634,15 @@ expand_simple_operations (tree expr) { unsigned i, n; tree ret = NULL_TREE, e, ee, stmt; - enum tree_code code = TREE_CODE (expr); + enum tree_code code; + + if (expr == NULL_TREE) + return expr; if (is_gimple_min_invariant (expr)) return expr; + code = TREE_CODE (expr); if (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (code))) { n = TREE_CODE_LENGTH (code); |