diff options
| author | jamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-15 10:39:28 +0000 |
|---|---|---|
| committer | jamborm <jamborm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-05-15 10:39:28 +0000 |
| commit | 95fb32034e3e00670e6abc0cc930b3fd8aacc47b (patch) | |
| tree | 6b4472d8eb1289a2e5d764132d9e64216728b539 /gcc/ipa-prop.c | |
| parent | 15c999e300ce4b964596356967085d8e5f21cb4f (diff) | |
| download | gcc-95fb32034e3e00670e6abc0cc930b3fd8aacc47b.tar.gz | |
2013-05-15 Martin Jambor <mjambor@suse.cz>
* ipa-prop.c (ipa_make_edge_direct_to_target): Redirect calls to
non-functions to builtin_unreachable.
* ipa-inline-transform.c (inline_call): Do not assert estimates were
correct when new direct edges were discovered.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198926 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ipa-prop.c')
| -rw-r--r-- | gcc/ipa-prop.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c index 9ae3d69b74b..abf21c98215 100644 --- a/gcc/ipa-prop.c +++ b/gcc/ipa-prop.c @@ -2200,6 +2200,7 @@ ipa_make_edge_direct_to_target (struct cgraph_edge *ie, tree target) { struct cgraph_node *callee; struct inline_edge_summary *es = inline_edge_summary (ie); + bool unreachable = false; if (TREE_CODE (target) == ADDR_EXPR) target = TREE_OPERAND (target, 0); @@ -2210,12 +2211,17 @@ ipa_make_edge_direct_to_target (struct cgraph_edge *ie, tree target) { if (dump_file) fprintf (dump_file, "ipa-prop: Discovered direct call to non-function" - " in %s/%i.\n", + " in %s/%i, making it unreachable.\n", cgraph_node_name (ie->caller), ie->caller->symbol.order); - return NULL; + target = builtin_decl_implicit (BUILT_IN_UNREACHABLE); + callee = cgraph_get_create_node (target); + unreachable = true; } + else + callee = cgraph_get_node (target); } - callee = cgraph_get_node (target); + else + callee = cgraph_get_node (target); /* Because may-edges are not explicitely represented and vtable may be external, we may create the first reference to the object in the unit. */ @@ -2252,7 +2258,7 @@ ipa_make_edge_direct_to_target (struct cgraph_edge *ie, tree target) - eni_size_weights.call_cost); es->call_stmt_time -= (eni_time_weights.indirect_call_cost - eni_time_weights.call_cost); - if (dump_file) + if (dump_file && !unreachable) { fprintf (dump_file, "ipa-prop: Discovered %s call to a known target " "(%s/%i -> %s/%i), for stmt ", |