From: Dan Gohman <gohman@apple.com>
Date: Thu, 20 Oct 2011 21:45:36 +0000 (+0000)
Subject: Disable the PPC hazard recognizer. It currently only supports
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5bdab4a63cab2ed2f96a3490fa2349550da7c7f9;p=oota-llvm.git

Disable the PPC hazard recognizer. It currently only supports
top-down scheduling and top-down scheduling is going away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142621 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp
index 649a45a0852..95174177cd1 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -57,10 +57,16 @@ ScheduleHazardRecognizer *PPCInstrInfo::CreateTargetHazardRecognizer(
   unsigned Directive = TM->getSubtarget<PPCSubtarget>().getDarwinDirective();
   if (Directive == PPC::DIR_440) {
     const InstrItineraryData *II = TM->getInstrItineraryData();
-    return new PPCHazardRecognizer440(II, DAG);
+    // Disable the hazard recognizer for now, as it doesn't support
+    // bottom-up scheduling.
+    //return new PPCHazardRecognizer440(II, DAG);
+    return new ScheduleHazardRecognizer();
   }
   else {
-    return new PPCHazardRecognizer970(*TII);
+    // Disable the hazard recognizer for now, as it doesn't support
+    // bottom-up scheduling.
+    //return new PPCHazardRecognizer970(*TII);
+    return new ScheduleHazardRecognizer();
   }
 }