From 40b52bb8f2b4f63f6d99e347af0c48945f9cb4d2 Mon Sep 17 00:00:00 2001
From: Andrew Trick <atrick@apple.com>
Date: Wed, 4 Sep 2013 21:00:02 +0000
Subject: mi-sched: bypass heuristic checks when regpressure tracking is
 disabled.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189988 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/ScheduleDAGInstrs.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')

diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index 33cdea6f19..d940dbcf9f 100644
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -185,9 +185,6 @@ void ScheduleDAGInstrs::enterRegion(MachineBasicBlock *bb,
   RegionBegin = begin;
   RegionEnd = end;
   NumRegionInstrs = regioninstrs;
-  MISUnitMap.clear();
-
-  ScheduleDAG::clearDAG();
 }
 
 /// Close the current scheduling region. Don't clear any state in case the
@@ -703,6 +700,9 @@ void ScheduleDAGInstrs::buildSchedGraph(AliasAnalysis *AA,
                                                        : ST.useAA();
   AliasAnalysis *AAForDep = UseAA ? AA : 0;
 
+  MISUnitMap.clear();
+  ScheduleDAG::clearDAG();
+
   // Create an SUnit for each real instruction.
   initSUnits();
 
-- 
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