diff options
Diffstat (limited to 'gcc/analyzer/region.cc')
| -rw-r--r-- | gcc/analyzer/region.cc | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/gcc/analyzer/region.cc b/gcc/analyzer/region.cc index 5ac24fb..2020ef4 100644 --- a/gcc/analyzer/region.cc +++ b/gcc/analyzer/region.cc @@ -59,6 +59,8 @@ along with GCC; see the file COPYING3. If not see #include "analyzer/store.h" #include "analyzer/region.h" #include "analyzer/region-model.h" +#include "analyzer/sm.h" +#include "analyzer/program-state.h" #if ENABLE_ANALYZER @@ -842,13 +844,49 @@ frame_region::dump_to_pp (pretty_printer *pp, bool simple) const const decl_region * frame_region::get_region_for_local (region_model_manager *mgr, - tree expr) const + tree expr, + const region_model_context *ctxt) const { - // TODO: could also check that VAR_DECLs are locals - gcc_assert (TREE_CODE (expr) == PARM_DECL - || TREE_CODE (expr) == VAR_DECL - || TREE_CODE (expr) == SSA_NAME - || TREE_CODE (expr) == RESULT_DECL); + if (CHECKING_P) + { + /* Verify that EXPR is a local or SSA name, and that it's for the + correct function for this stack frame. */ + gcc_assert (TREE_CODE (expr) == PARM_DECL + || TREE_CODE (expr) == VAR_DECL + || TREE_CODE (expr) == SSA_NAME + || TREE_CODE (expr) == RESULT_DECL); + switch (TREE_CODE (expr)) + { + default: + gcc_unreachable (); + case VAR_DECL: + gcc_assert (!is_global_var (expr)); + /* Fall through. */ + case PARM_DECL: + case RESULT_DECL: + gcc_assert (DECL_CONTEXT (expr) == m_fun->decl); + break; + case SSA_NAME: + { + if (tree var = SSA_NAME_VAR (expr)) + { + if (DECL_P (var)) + gcc_assert (DECL_CONTEXT (var) == m_fun->decl); + } + else if (ctxt) + if (const extrinsic_state *ext_state = ctxt->get_ext_state ()) + if (const supergraph *sg + = ext_state->get_engine ()->get_supergraph ()) + { + const gimple *def_stmt = SSA_NAME_DEF_STMT (expr); + const supernode *snode + = sg->get_supernode_for_stmt (def_stmt); + gcc_assert (snode->get_function () == m_fun); + } + } + break; + } + } /* Ideally we'd use mutable here. */ map_t &mutable_locals = const_cast <map_t &> (m_locals); |