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re PR tree-optimization/34371 (verify_stmts failed (incorrect sharing of tree nodes))
authorJakub Jelinek <jakub@redhat.com>
Mon, 10 Dec 2007 22:49:43 +0000 (23:49 +0100)
committerJakub Jelinek <jakub@gcc.gnu.org>
Mon, 10 Dec 2007 22:49:43 +0000 (23:49 +0100)
commit4f1f33aa8255271e5504ca6a0dcdea0f4f9b0b79
treeb3d2088e27b5f07e19b2e68b56260c2086c9d5aetree
parent0197270c6e3826925ce65bcca780ea218b770bf6commit | diff
re PR tree-optimization/34371 (verify_stmts failed (incorrect sharing of tree nodes))

PR tree-optimization/34371
* tree-vectorizer.h (struct _loop_vec_info): Add num_iters_unchanged
field.
(LOOP_VINFO_NITERS_UNCHANGED): Define to num_iters_unchanged field.
* tree-vectorizer.c (set_prologue_iterations,
slpeel_tree_peel_loop_to_edge): Call unshare_expr on
LOOP_VINFO_NITERS_UNCHANGED before using it.

* gcc.c-torture/compile/20071207-1.c: New test.

From-SVN: r130755
gcc/ChangeLog diff | blob | history
gcc/testsuite/ChangeLog diff | blob | history
gcc/testsuite/gcc.c-torture/compile/20071207-1.c [new file with mode: 0644] blob
gcc/tree-vectorizer.c diff | blob | history
gcc/tree-vectorizer.h diff | blob | history