Fix uninitialized variable warning. NFCI.

RKSimon · RKSimon · commit 6ebc5089b2d3 · 2019-11-13T14:40:20.000Z
diff --git a/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.h b/llvm/lib/Target/NVPTX/NVPTXISelDAGToDAG.h
@@ -46,7 +46,7 @@ class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel {
     return "NVPTX DAG->DAG Pattern Instruction Selection";
   }
   bool runOnMachineFunction(MachineFunction &MF) override;
-  const NVPTXSubtarget *Subtarget;
+  const NVPTXSubtarget *Subtarget = nullptr;
 
   bool SelectInlineAsmMemoryOperand(const SDValue &Op,
                                     unsigned ConstraintID,

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ class LLVM_LIBRARY_VISIBILITY NVPTXDAGToDAGISel : public SelectionDAGISel {`
`46`	`46`	`return "NVPTX DAG->DAG Pattern Instruction Selection";`
`47`	`47`	`}`
`48`	`48`	`bool runOnMachineFunction(MachineFunction &MF) override;`
`49`		`- const NVPTXSubtarget *Subtarget;`
	`49`	`+ const NVPTXSubtarget *Subtarget = nullptr;`
`50`	`50`
`51`	`51`	`bool SelectInlineAsmMemoryOperand(const SDValue &Op,`
`52`	`52`	`unsigned ConstraintID,`