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| author | Richard Biener <rguenther@suse.de> | 2022-10-28 13:50:57 +0200 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2022-10-28 15:07:02 +0200 |
| commit | 084128583212bd64308f50c2ab5f4c03be40e48c (patch) | |
| tree | bc8dafad8ec688878a9a6fc072c96710e5a08396 /gcc/tree-vect-loop.cc | |
| parent | 89999f2358724fa4e71c7c3b4de340582c0e43da (diff) | |
| download | gcc-084128583212bd64308f50c2ab5f4c03be40e48c.zip gcc-084128583212bd64308f50c2ab5f4c03be40e48c.tar.gz gcc-084128583212bd64308f50c2ab5f4c03be40e48c.tar.bz2 | |
tree-optimization/107435 - ICE with recurrence vectorization
This implements the missed conversion from pointer to integer.
PR tree-optimization/107435
* tree-vect-loop.cc (vectorizable_recurr): Convert initial
value to vector component type.
* gcc.dg/torture/pr107435.c: New testcase.
Diffstat (limited to 'gcc/tree-vect-loop.cc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index d5c2bff..aacbb12 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -8469,6 +8469,12 @@ vectorizable_recurr (loop_vec_info loop_vinfo, stmt_vec_info stmt_info, edge pe = loop_preheader_edge (LOOP_VINFO_LOOP (loop_vinfo)); basic_block bb = gimple_bb (phi); tree preheader = PHI_ARG_DEF_FROM_EDGE (phi, pe); + if (!useless_type_conversion_p (TREE_TYPE (vectype), TREE_TYPE (preheader))) + { + gimple_seq stmts = NULL; + preheader = gimple_convert (&stmts, TREE_TYPE (vectype), preheader); + gsi_insert_seq_on_edge_immediate (pe, stmts); + } tree vec_init = build_vector_from_val (vectype, preheader); vec_init = vect_init_vector (loop_vinfo, stmt_info, vec_init, vectype, NULL); |