[X86] Remove unused code from X86 optimize LEAs. NFC.

This patch removes unused code which is no longer required because of changes
to the DIExpression::prepend function.

llvm-svn: 302219

1 files changed, 0 insertions, 8 deletions

diff --git a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
index 7be0a7fd406..aabbf67a16b 100644
--- a/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
+++ b/llvm/lib/Target/X86/X86OptimizeLEAs.cpp
@@ -223,8 +223,6 @@ public:
 
   StringRef getPassName() const override { return "X86 LEA Optimize"; }
 
-  bool doInitialization(Module &M) override;
-
   /// \brief Loop over all of the basic blocks, replacing address
   /// calculations in load and store instructions, if it's already
   /// been calculated by LEA. Also, remove redundant LEAs.
@@ -280,7 +278,6 @@ private:
   MachineRegisterInfo *MRI;
   const X86InstrInfo *TII;
   const X86RegisterInfo *TRI;
-  Module *TheModule;
 
   static char ID;
 };
@@ -649,11 +646,6 @@ bool OptimizeLEAPass::removeRedundantLEAs(MemOpMap &LEAs) {
   return Changed;
 }
 
-bool OptimizeLEAPass::doInitialization(Module &M) {
-  TheModule = &M;
-  return false;
-}
-
 bool OptimizeLEAPass::runOnMachineFunction(MachineFunction &MF) {
   bool Changed = false;