From c5f6f15fe50ab2ead490f21671c2c407b1c41dcd Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Thu, 22 May 2014 01:53:26 +0000
Subject: 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
---
 lib/Target/X86/X86ISelDAGToDAG.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'lib/Target/X86/X86ISelDAGToDAG.cpp')

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 03c9620db4..74386d3399 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;
-- 
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