diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-16 13:21:38 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-04-16 13:21:38 +0000 |
| commit | 4debfcfc2011ada93fe865e36272fd8b0fb83ba5 (patch) | |
| tree | 640a4ede30c1f4cf1f9690d68ebfea15522967e3 /gcc/tree-ssa-alias.c | |
| parent | a66fa75e35be553181a0cf64126f7eb068872b58 (diff) | |
| download | gcc-4debfcfc2011ada93fe865e36272fd8b0fb83ba5.tar.gz | |
2010-04-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/43572
* tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
* tree-ssa-alias.c (call_may_clobber_ref_p): Export.
* tree-flow.h (is_call_clobbered): Remove.
* tree-flow-inline.h (is_call_clobbered): Likewise.
* tree-dfa.c (dump_variable): Do not dump call clobber state.
* tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
(execute_return_slot_opt): Adjust.
* tree-tailcall.c (suitable_for_tail_opt_p): Remove
check for call clobbered vars here.
(find_tail_calls): Move tailcall verification to the
proper place.
* gcc.dg/tree-ssa/tailcall-5.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158418 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-alias.c')
| -rw-r--r-- | gcc/tree-ssa-alias.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index 8b1fdc37556..67c669e8b4b 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -1339,7 +1339,10 @@ call_may_clobber_ref_p_1 (gimple call, ao_ref *ref) return true; } -static bool ATTRIBUTE_UNUSED +/* If the call in statement CALL may clobber the memory reference REF + return true, otherwise return false. */ + +bool call_may_clobber_ref_p (gimple call, tree ref) { bool res; |