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authorThomas Koenig <tkoenig@gcc.gnu.org>2021-01-03 21:40:04 +0100
committerThomas Koenig <tkoenig@gcc.gnu.org>2021-01-03 21:40:04 +0100
commitafae4a55ccaa0de95ea11e5f634084db6ab2f444 (patch)
treed632cc867d10410ba9fb750523be790b86846ac4 /gcc/tree-ssa.c
parent9d9a82ec8478ff52c7a9d61f58cd2a7b6295b5f9 (diff)
parentd2eb616a0f7bea78164912aa438c29fe1ef5774a (diff)
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Merge branch 'master' into devel/coarray_native
Diffstat (limited to 'gcc/tree-ssa.c')
-rw-r--r--gcc/tree-ssa.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c
index c47b963..a575979 100644
--- a/gcc/tree-ssa.c
+++ b/gcc/tree-ssa.c
@@ -987,6 +987,12 @@ verify_phi_args (gphi *phi, basic_block bb, basic_block *definition_block)
err = true;
}
+ if ((e->flags & EDGE_ABNORMAL) && TREE_CODE (op) != SSA_NAME)
+ {
+ error ("PHI argument on abnormal edge is not SSA_NAME");
+ err = true;
+ }
+
if (TREE_CODE (op) == SSA_NAME)
{
err = verify_ssa_name (op, virtual_operand_p (gimple_phi_result (phi)));
@@ -1212,15 +1218,16 @@ err:
# pragma GCC diagnostic pop
#endif
-/* Initialize global DFA and SSA structures. */
+/* Initialize global DFA and SSA structures.
+ If SIZE is non-zero allocated ssa names array of a given size. */
void
-init_tree_ssa (struct function *fn)
+init_tree_ssa (struct function *fn, int size)
{
fn->gimple_df = ggc_cleared_alloc<gimple_df> ();
fn->gimple_df->default_defs = hash_table<ssa_name_hasher>::create_ggc (20);
pt_solution_reset (&fn->gimple_df->escaped);
- init_ssanames (fn, 0);
+ init_ssanames (fn, size);
}
/* Deallocate memory associated with SSA data structures for FNDECL. */