From 0e6e7cf385ca3f269e40a482a625a44290a0a2e4 Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Thu, 22 May 2014 02:00:27 +0000
Subject: [PATCH] Override runOnMachineFunction for ARMISelDAGToDAG so that we
 can reset the subtarget on each function.

llvm-svn: 209386
---
 llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 8577c8a..08d598d 100644
--- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
+++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
@@ -73,6 +73,13 @@ public:
       Subtarget(&TM.getSubtarget<ARMSubtarget>()) {
   }
 
+  bool runOnMachineFunction(MachineFunction &MF) override {
+    // Reset the subtarget each time through.
+    Subtarget = &TM.getSubtarget<ARMSubtarget>();
+    SelectionDAGISel::runOnMachineFunction(MF);
+    return true;
+  }
+
   const char *getPassName() const override {
     return "ARM Instruction Selection";
   }
-- 
2.7.4