Fix null reference creation in ScheduleDAGInstrs constructor call.

[oota-llvm.git] / lib / Target / Hexagon / HexagonNewValueJump.cpp

diff --git a/lib/Target/Hexagon/HexagonNewValueJump.cpp b/lib/Target/Hexagon/HexagonNewValueJump.cpp
index d829dbc82a20a01026b331e91c100695dd28c917..782c979588f6f7ca03c8924710715a2b6842a8a2 100644 (file)
--- a/lib/Target/Hexagon/HexagonNewValueJump.cpp
+++ b/lib/Target/Hexagon/HexagonNewValueJump.cpp
@@ -75,16 +75,16 @@ namespace {
       initializeHexagonNewValueJumpPass(*PassRegistry::getPassRegistry());
     }
 
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.addRequired<MachineBranchProbabilityInfo>();
       MachineFunctionPass::getAnalysisUsage(AU);
     }
 
-    const char *getPassName() const {
+    const char *getPassName() const override {
       return "Hexagon NewValueJump";
     }
 
-    virtual bool runOnMachineFunction(MachineFunction &Fn);
+    bool runOnMachineFunction(MachineFunction &Fn) override;
 
   private:
     /// \brief A handle to the branch probability pass.
@@ -362,9 +362,9 @@ bool HexagonNewValueJump::runOnMachineFunction(MachineFunction &MF) {
   LiveVariables &LVs = getAnalysis<LiveVariables>();
 #endif
 
-  QII = static_cast<const HexagonInstrInfo *>(MF.getTarget().getInstrInfo());
-  QRI =
-    static_cast<const HexagonRegisterInfo *>(MF.getTarget().getRegisterInfo());
+  QII = static_cast<const HexagonInstrInfo *>(MF.getSubtarget().getInstrInfo());
+  QRI = static_cast<const HexagonRegisterInfo *>(
+      MF.getSubtarget().getRegisterInfo());
   MBPI = &getAnalysis<MachineBranchProbabilityInfo>();
 
   if (!QRI->Subtarget.hasV4TOps() ||
@@ -394,8 +394,8 @@ bool HexagonNewValueJump::runOnMachineFunction(MachineFunction &MF) {
     bool MO2IsKill = false;
     MachineBasicBlock::iterator jmpPos;
     MachineBasicBlock::iterator cmpPos;
-    MachineInstr *cmpInstr = NULL, *jmpInstr = NULL;
-    MachineBasicBlock *jmpTarget = NULL;
+    MachineInstr *cmpInstr = nullptr, *jmpInstr = nullptr;
+    MachineBasicBlock *jmpTarget = nullptr;
     bool afterRA = false;
     bool isSecondOpReg = false;
     bool isSecondOpNewified = false;