From 28247fa37eb77af1a65d4af0805d81465d04e426 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Fri, 5 Apr 2013 00:31:31 +0000
Subject: [PATCH] Disable DFSResult for ConvergingScheduler.

For now, just save the compile time since the ConvergingScheduler
heuristics don't use this analysis. We'll probably enable it later
after compile-time investigation.

llvm-svn: 178822
---
 lib/CodeGen/MachineScheduler.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index c621ca96bf5..ed6b9861dcf 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -1243,8 +1243,6 @@ void ConvergingScheduler::initialize(ScheduleDAGMI *dag) {
   Top.init(DAG, SchedModel, &Rem);
   Bot.init(DAG, SchedModel, &Rem);
 
-  DAG->computeDFSResult();
-
   // Initialize resource counts.
 
   // Initialize the HazardRecognizers. If itineraries don't exist, are empty, or