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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2009-08-12 17:55:40 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2009-08-12 17:55:40 +0000
commitb14e6fc55db1a3b0e65ed88b96bb9db2dddaecc8 (patch)
tree02177c03b81a087298a7b2263003b285c76e716a /gcc/ipa-cp.c
parent253f99545e56bc2c7400cc4602f2325f904acd69 (diff)
downloadgcc-b14e6fc55db1a3b0e65ed88b96bb9db2dddaecc8.tar.gz
2009-08-12 Richard Guenther <rguenther@suse.de>
PR tree-optimization/41011 * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold and reference constructing. * gfortran.dg/pr41011.f: New testcase. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@150705 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-cp.c')
-rw-r--r--gcc/ipa-cp.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c
index df6972417bd..f7782cbbf83 100644
--- a/gcc/ipa-cp.c
+++ b/gcc/ipa-cp.c
@@ -302,7 +302,8 @@ ipcp_lattice_from_jfunc (struct ipa_node_params *info, struct ipcp_lattice *lat,
cst = fold_binary (jfunc->value.pass_through.operation,
TREE_TYPE (cst), cst,
jfunc->value.pass_through.operand);
- gcc_assert (cst && is_gimple_ip_invariant (cst));
+ if (!cst || !is_gimple_ip_invariant (cst))
+ lat->type = IPA_BOTTOM;
lat->constant = cst;
}
else if (jfunc->type == IPA_JF_ANCESTOR)
@@ -325,8 +326,13 @@ ipcp_lattice_from_jfunc (struct ipa_node_params *info, struct ipcp_lattice *lat,
ok = build_ref_for_offset (&t, TREE_TYPE (t),
jfunc->value.ancestor.offset,
jfunc->value.ancestor.type, false);
- gcc_assert (ok);
- lat->constant = build_fold_addr_expr (t);
+ if (!ok)
+ {
+ lat->type = IPA_BOTTOM;
+ lat->constant = NULL_TREE;
+ }
+ else
+ lat->constant = build_fold_addr_expr (t);
}
else
lat->type = IPA_BOTTOM;