Remove the "fast" form of the list-burr scheduler, and use the

dedicated "fast" scheduler in -fast mode instead, which is
faster. This speeds up llc -fast by a few percent on some
testcases -- the speedup only happens for code not handled by
fast-isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59700 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index e43b32535c..079e95f25b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -138,13 +138,13 @@ namespace llvm {
                                       bool Fast) {
     TargetLowering &TLI = IS->getTargetLowering();
     
-    if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency) {
+    if (Fast)
+      return createFastDAGScheduler(IS, DAG, TM, BB, Fast);
+    if (TLI.getSchedulingPreference() == TargetLowering::SchedulingForLatency)
       return createTDListDAGScheduler(IS, DAG, TM, BB, Fast);
-    } else {
-      assert(TLI.getSchedulingPreference() ==
-           TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
-      return createBURRListDAGScheduler(IS, DAG, TM, BB, Fast);
-    }
+    assert(TLI.getSchedulingPreference() ==
+         TargetLowering::SchedulingForRegPressure && "Unknown sched type!");
+    return createBURRListDAGScheduler(IS, DAG, TM, BB, Fast);
   }
 }