pass cfun to pass::execute

gcc/
	* passes.c (opt_pass::execute): Adjust.
	(pass_manager::execute_pass_mode_switching): Likewise.
	(early_local_passes::execute): Likewise.
	(execute_one_pass): Pass cfun to the pass's execute method.
	* tree-pass.h (opt_pass::execute): Add function * argument.
	* asan.c, auto-inc-dec.c, bb-reorder.c, bt-load.c, cfgcleanup.c,
	cfgexpand.c, cfgrtl.c, cgraphbuild.c, combine-stack-adj.c, combine.c,
	compare-elim.c, config/arc/arc.c, config/epiphany/mode-switch-use.c,
	config/epiphany/resolve-sw-modes.c, config/i386/i386.c,
	config/mips/mips.c, config/rl78/rl78.c, config/s390/s390.c,
	config/sparc/sparc.c, cprop.c, dce.c, df-core.c, dse.c, dwarf2cfi.c,
	except.c, final.c, function.c, fwprop.c, gcse.c, gimple-low.c,
	gimple-ssa-isolate-paths.c, gimple-ssa-strength-reduction.c,
	graphite.c, ifcvt.c, init-regs.c, ipa-cp.c, ipa-devirt.c,
	ipa-inline-analysis.c, ipa-inline.c, ipa-profile.c, ipa-pure-const.c,
	ipa-reference.c, ipa-split.c, ipa.c, ira.c, jump.c, loop-init.c,
	lower-subreg.c, mode-switching.c, omp-low.c, postreload-gcse.c,
	postreload.c, predict.c, recog.c, ree.c, reg-stack.c, regcprop.c,
	reginfo.c, regrename.c, reorg.c, sched-rgn.c, stack-ptr-mod.c,
	store-motion.c, tracer.c, trans-mem.c, tree-call-cdce.c, tree-cfg.c,
	tree-cfgcleanup.c, tree-complex.c, tree-eh.c, tree-emutls.c,
	tree-if-conv.c, tree-into-ssa.c, tree-loop-distribution.c, tree-nrv.c,
	tree-object-size.c, tree-parloops.c, tree-predcom.c, tree-ssa-ccp.c,
	tree-ssa-copy.c, tree-ssa-copyrename.c, tree-ssa-dce.c,
	tree-ssa-dom.c, tree-ssa-dse.c, tree-ssa-forwprop.c,
	tree-ssa-ifcombine.c, tree-ssa-loop-ch.c, tree-ssa-loop-im.c,
	tree-ssa-loop-ivcanon.c, tree-ssa-loop-prefetch.c,
	tree-ssa-loop-unswitch.c, tree-ssa-loop.c, tree-ssa-math-opts.c,
	tree-ssa-phiopt.c, tree-ssa-phiprop.c, tree-ssa-pre.c,
	tree-ssa-reassoc.c, tree-ssa-sink.c, tree-ssa-strlen.c,
	tree-ssa-structalias.c, tree-ssa-uncprop.c, tree-ssa-uninit.c,
	tree-ssa.c, tree-ssanames.c, tree-stdarg.c, tree-switch-conversion.c,
	tree-tailcall.c, tree-vect-generic.c, tree-vectorizer.c, tree-vrp.c,
	tree.c, tsan.c, ubsan.c, var-tracking.c, vtable-verify.c, web.c:
	Adjust.

From-SVN: r209482

1 files changed, 66 insertions, 70 deletions

diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c
index 8fcaae8..0fb2681 100644
--- a/gcc/tree-cfg.c
+++ b/gcc/tree-cfg.c
@@ -368,7 +368,7 @@ public:
   {}
 
   /* opt_pass methods: */
-  unsigned int execute () { return execute_build_cfg (); }
+  virtual unsigned int execute (function *) { return execute_build_cfg (); }
 
 }; // class pass_build_cfg
 
@@ -8100,7 +8100,7 @@ public:
   {}
 
   /* opt_pass methods: */
-  unsigned int execute () { return split_critical_edges (); }
+  virtual unsigned int execute (function *) { return split_critical_edges (); }
 
   opt_pass * clone () { return new pass_split_crit_edges (m_ctxt); }
 }; // class pass_split_crit_edges
@@ -8165,64 +8165,6 @@ gimplify_build1 (gimple_stmt_iterator *gsi, enum tree_code code, tree type,
 
 
 
-/* Emit return warnings.  */
-
-static unsigned int
-execute_warn_function_return (void)
-{
-  source_location location;
-  gimple last;
-  edge e;
-  edge_iterator ei;
-
-  if (!targetm.warn_func_return (cfun->decl))
-    return 0;
-
-  /* If we have a path to EXIT, then we do return.  */
-  if (TREE_THIS_VOLATILE (cfun->decl)
-      && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (cfun)->preds) > 0)
-    {
-      location = UNKNOWN_LOCATION;
-      FOR_EACH_EDGE (e, ei, EXIT_BLOCK_PTR_FOR_FN (cfun)->preds)
-	{
-	  last = last_stmt (e->src);
-	  if ((gimple_code (last) == GIMPLE_RETURN
-	       || gimple_call_builtin_p (last, BUILT_IN_RETURN))
-	      && (location = gimple_location (last)) != UNKNOWN_LOCATION)
-	    break;
-	}
-      if (location == UNKNOWN_LOCATION)
-	location = cfun->function_end_locus;
-      warning_at (location, 0, "%<noreturn%> function does return");
-    }
-
-  /* If we see "return;" in some basic block, then we do reach the end
-     without returning a value.  */
-  else if (warn_return_type
-	   && !TREE_NO_WARNING (cfun->decl)
-	   && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (cfun)->preds) > 0
-	   && !VOID_TYPE_P (TREE_TYPE (TREE_TYPE (cfun->decl))))
-    {
-      FOR_EACH_EDGE (e, ei, EXIT_BLOCK_PTR_FOR_FN (cfun)->preds)
-	{
-	  gimple last = last_stmt (e->src);
-	  if (gimple_code (last) == GIMPLE_RETURN
-	      && gimple_return_retval (last) == NULL
-	      && !gimple_no_warning_p (last))
-	    {
-	      location = gimple_location (last);
-	      if (location == UNKNOWN_LOCATION)
-		  location = cfun->function_end_locus;
-	      warning_at (location, OPT_Wreturn_type, "control reaches end of non-void function");
-	      TREE_NO_WARNING (cfun->decl) = 1;
-	      break;
-	    }
-	}
-    }
-  return 0;
-}
-
-
 /* Given a basic block B which ends with a conditional and has
    precisely two successors, determine which of the edges is taken if
    the conditional is true and which is taken if the conditional is
@@ -8247,6 +8189,8 @@ extract_true_false_edges_from_block (basic_block b,
     }
 }
 
+/* Emit return warnings.  */
+
 namespace {
 
 const pass_data pass_data_warn_function_return =
@@ -8271,10 +8215,65 @@ public:
   {}
 
   /* opt_pass methods: */
-  unsigned int execute () { return execute_warn_function_return (); }
+  virtual unsigned int execute (function *);
 
 }; // class pass_warn_function_return
 
+unsigned int
+pass_warn_function_return::execute (function *fun)
+{
+  source_location location;
+  gimple last;
+  edge e;
+  edge_iterator ei;
+
+  if (!targetm.warn_func_return (fun->decl))
+    return 0;
+
+  /* If we have a path to EXIT, then we do return.  */
+  if (TREE_THIS_VOLATILE (fun->decl)
+      && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (fun)->preds) > 0)
+    {
+      location = UNKNOWN_LOCATION;
+      FOR_EACH_EDGE (e, ei, EXIT_BLOCK_PTR_FOR_FN (fun)->preds)
+	{
+	  last = last_stmt (e->src);
+	  if ((gimple_code (last) == GIMPLE_RETURN
+	       || gimple_call_builtin_p (last, BUILT_IN_RETURN))
+	      && (location = gimple_location (last)) != UNKNOWN_LOCATION)
+	    break;
+	}
+      if (location == UNKNOWN_LOCATION)
+	location = cfun->function_end_locus;
+      warning_at (location, 0, "%<noreturn%> function does return");
+    }
+
+  /* If we see "return;" in some basic block, then we do reach the end
+     without returning a value.  */
+  else if (warn_return_type
+	   && !TREE_NO_WARNING (fun->decl)
+	   && EDGE_COUNT (EXIT_BLOCK_PTR_FOR_FN (fun)->preds) > 0
+	   && !VOID_TYPE_P (TREE_TYPE (TREE_TYPE (fun->decl))))
+    {
+      FOR_EACH_EDGE (e, ei, EXIT_BLOCK_PTR_FOR_FN (fun)->preds)
+	{
+	  gimple last = last_stmt (e->src);
+	  if (gimple_code (last) == GIMPLE_RETURN
+	      && gimple_return_retval (last) == NULL
+	      && !gimple_no_warning_p (last))
+	    {
+	      location = gimple_location (last);
+	      if (location == UNKNOWN_LOCATION)
+		location = fun->function_end_locus;
+	      warning_at (location, OPT_Wreturn_type, "control reaches end of non-void function");
+	      TREE_NO_WARNING (fun->decl) = 1;
+	      break;
+	    }
+	}
+    }
+  return 0;
+}
+
 } // anon namespace
 
 gimple_opt_pass *
@@ -8348,13 +8347,6 @@ do_warn_unused_result (gimple_seq seq)
     }
 }
 
-static unsigned int
-run_warn_unused_result (void)
-{
-  do_warn_unused_result (gimple_body (current_function_decl));
-  return 0;
-}
-
 namespace {
 
 const pass_data pass_data_warn_unused_result =
@@ -8380,7 +8372,11 @@ public:
 
   /* opt_pass methods: */
   virtual bool gate (function *) { return flag_warn_unused_result; }
-  unsigned int execute () { return run_warn_unused_result (); }
+  virtual unsigned int execute (function *)
+    {
+      do_warn_unused_result (gimple_body (current_function_decl));
+      return 0;
+    }
 
 }; // class pass_warn_unused_result
 
@@ -8522,7 +8518,7 @@ public:
 
   /* opt_pass methods: */
   opt_pass * clone () { return new pass_fixup_cfg (m_ctxt); }
-  unsigned int execute () { return execute_fixup_cfg (); }
+  virtual unsigned int execute (function *) { return execute_fixup_cfg (); }
 
 }; // class pass_fixup_cfg