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[gimple-classes,committed,1/6] tree-ssa-sink.c: Use gassign

Message ID 1415373690-26193-2-git-send-email-dmalcolm@redhat.com
State New
Headers show

Commit Message

David Malcolm Nov. 7, 2014, 3:21 p.m. UTC 
gcc/ChangeLog.gimple-classes:
	* tree-ssa-sink.c (statement_sink_location): Rename param "stmt"
	to "gs", reintroducing "stmt" as a local gassign * via a dyn_cast
	for typesafety.
---
 gcc/ChangeLog.gimple-classes | 6 ++++++
 gcc/tree-ssa-sink.c          | 9 +++++----
 2 files changed, 11 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/gcc/ChangeLog.gimple-classes b/gcc/ChangeLog.gimple-classes
index 382bd3d..2c78ce0 100644
--- a/gcc/ChangeLog.gimple-classes
+++ b/gcc/ChangeLog.gimple-classes
@@ -1,5 +1,11 @@ 
 2014-11-06  David Malcolm  <dmalcolm@redhat.com>
 
+	* tree-ssa-sink.c (statement_sink_location): Rename param "stmt"
+	to "gs", reintroducing "stmt" as a local gassign * via a dyn_cast
+	for typesafety.
+
+2014-11-06  David Malcolm  <dmalcolm@redhat.com>
+
 	* tree-ssa-propagate.c
 	(substitute_and_fold_dom_walker::before_dom_children): Add checked
 	cast.  Replace is_gimple_assign with a dyn_cast, introducing local
diff --git a/gcc/tree-ssa-sink.c b/gcc/tree-ssa-sink.c
index c6d8712..968ab27 100644
--- a/gcc/tree-ssa-sink.c
+++ b/gcc/tree-ssa-sink.c
@@ -256,13 +256,13 @@  select_best_block (basic_block early_bb,
   return early_bb;
 }
 
-/* Given a statement (STMT) and the basic block it is currently in (FROMBB),
+/* Given a statement (GS) and the basic block it is currently in (FROMBB),
    determine the location to sink the statement to, if any.
    Returns true if there is such location; in that case, TOGSI points to the
-   statement before that STMT should be moved.  */
+   statement before that GS should be moved.  */
 
 static bool
-statement_sink_location (gimple stmt, basic_block frombb,
+statement_sink_location (gimple gs, basic_block frombb,
 			 gimple_stmt_iterator *togsi)
 {
   gimple use;
@@ -274,7 +274,8 @@  statement_sink_location (gimple stmt, basic_block frombb,
   imm_use_iterator imm_iter;
 
   /* We only can sink assignments.  */
-  if (!is_gimple_assign (stmt))
+  gassign *stmt = dyn_cast <gassign *> (gs);
+  if (!stmt)
     return false;
 
   /* We only can sink stmts with a single definition.  */