Override runOnMachineFunction for ARMISelDAGToDAG so that we can

reset the subtarget on each function.

llvm-svn: 209386

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp
index 8577c8af47d..08d598d7c5a 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";
   }