Reset some of the target options which affect code generation.

This doesn't reset all of the target options within the TargetOptions
object. This is because some of those are ABI-specific and must be determined if
it's okay to change those on the fly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176986 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -362,6 +362,7 @@ bool SelectionDAGISel::runOnMachineFunction(MachineFunction &mf) {
   TargetSubtargetInfo &ST =
     const_cast<TargetSubtargetInfo&>(TM.getSubtarget<TargetSubtargetInfo>());
   ST.resetSubtargetFeatures(MF);
+  TM.resetTargetOptions(MF);
 
   DEBUG(dbgs() << "\n\n\n=== " << Fn.getName() << "\n");