AMDGPU: Fix broken condition in hazard recognizer

Fixes bug 32248.

llvm-svn: 298125
diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
index 9980847..5680c3d 100644
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
@@ -34,6 +34,7 @@
   std::list<MachineInstr*> EmittedInstrs;
   const MachineFunction &MF;
   const SISubtarget &ST;
+  const SIInstrInfo &TII;
 
   int getWaitStatesSince(function_ref<bool(MachineInstr *)> IsHazard);
   int getWaitStatesSinceDef(unsigned Reg,