From: Eric Christopher <echristo@gmail.com>
Date: Thu, 22 May 2014 01:53:26 +0000 (+0000)
Subject: Override runOnMachineFunction for X86ISelDAGToDAG so that we can
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c5f6f15fe50ab2ead490f21671c2c407b1c41dcd;p=oota-llvm.git

Override runOnMachineFunction for X86ISelDAGToDAG so that we can
reset the subtarget on each function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209384 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 03c9620db4a..74386d33990 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -162,6 +162,13 @@ namespace {
       return "X86 DAG->DAG Instruction Selection";
     }
 
+    bool runOnMachineFunction(MachineFunction &MF) override {
+      // Reset the subtarget each time through.
+      Subtarget = &TM.getSubtarget<X86Subtarget>();
+      SelectionDAGISel::runOnMachineFunction(MF);
+      return true;
+    }
+
     void EmitFunctionEntryCode() override;
 
     bool IsProfitableToFold(SDValue N, SDNode *U, SDNode *Root) const override;