Fix uninitialized pointer members in CodeGen

This change initializes the members TSI, LI, DT, PSI, and ORE pointer feilds of the SelectOptimize class to nullptr.

Reviewed By: LuoYuanke

Differential Revision: https://reviews.llvm.org/D148303

1 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index bd00c9f..62253e6 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -298,16 +298,16 @@ class TypePromotionTransaction;
 
 class CodeGenPrepare : public FunctionPass {
   const TargetMachine *TM = nullptr;
-  const TargetSubtargetInfo *SubtargetInfo;
+  const TargetSubtargetInfo *SubtargetInfo = nullptr;
   const TargetLowering *TLI = nullptr;
-  const TargetRegisterInfo *TRI;
+  const TargetRegisterInfo *TRI = nullptr;
   const TargetTransformInfo *TTI = nullptr;
   const BasicBlockSectionsProfileReader *BBSectionsProfileReader = nullptr;
-  const TargetLibraryInfo *TLInfo;
-  const LoopInfo *LI;
+  const TargetLibraryInfo *TLInfo = nullptr;
+  const LoopInfo *LI = nullptr;
   std::unique_ptr<BlockFrequencyInfo> BFI;
   std::unique_ptr<BranchProbabilityInfo> BPI;
-  ProfileSummaryInfo *PSI;
+  ProfileSummaryInfo *PSI = nullptr;
 
   /// As we scan instructions optimizing them, this is the next instruction
   /// to optimize. Transforms that can invalidate this should update it.