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| author | Jan Hubicka <jh@suse.cz> | 2013-09-06 12:13:37 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2013-09-06 10:13:37 +0000 |
| commit | fc11f321bbffb92287ee4f25aa70eab40f66a163 (patch) | |
| tree | e167b438c335f3bc2a8367366839e99f406f78e4 /gcc/ipa-utils.c | |
| parent | 9a6af4504b8bc9b03020b1e96a3bad56d9929916 (diff) | |
| download | gcc-fc11f321bbffb92287ee4f25aa70eab40f66a163.zip gcc-fc11f321bbffb92287ee4f25aa70eab40f66a163.tar.gz gcc-fc11f321bbffb92287ee4f25aa70eab40f66a163.tar.bz2 | |
re PR middle-end/58094 (IPA devirt testsuite errors)
PR middle-end/58094
* cgraph.h (symtab_semantically_equivalent_p): Declare.
* tree-tailcall.c: Include ipa-utils.h.
(find_tail_calls): Use it.
* ipa-pure-const.c (check_call): Likewise.
* ipa-utils.c (recursive_call_p): New function.
* ipa-utils.h (recursive_call_p): Dclare.
* symtab.c (symtab_nonoverwritable_alias): Fix formatting.
(symtab_semantically_equivalent_p): New function.
* Makefile.in (tree-tailcall.o): Update dependencies.
From-SVN: r202316
Diffstat (limited to 'gcc/ipa-utils.c')
| -rw-r--r-- | gcc/ipa-utils.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ipa-utils.c b/gcc/ipa-utils.c index 0ea02ea..e2e1690 100644 --- a/gcc/ipa-utils.c +++ b/gcc/ipa-utils.c @@ -791,3 +791,14 @@ ipa_merge_profiles (struct cgraph_node *dst, src->symbol.decl = oldsrcdecl; } +/* Return true if call to DEST is known to be self-recusive call withing FUNC. */ + +bool +recursive_call_p (tree func, tree dest) +{ + struct cgraph_node *dest_node = cgraph_get_create_node (dest); + struct cgraph_node *cnode = cgraph_get_create_node (func); + + return symtab_semantically_equivalent_p ((symtab_node)dest_node, + (symtab_node)cnode); +} |