From 427ef4e35f16af0509f8217bed07eba745e83a9f Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 17 Nov 2009 22:39:08 +0000
Subject: [PATCH] Remove dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89156 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Analysis/DebugInfo.h | 24 -------------
 lib/Analysis/DebugInfo.cpp        | 56 +------------------------------
 2 files changed, 1 insertion(+), 79 deletions(-)

diff --git a/include/llvm/Analysis/DebugInfo.h b/include/llvm/Analysis/DebugInfo.h
index 4321278903e..3c40d65a485 100644
--- a/include/llvm/Analysis/DebugInfo.h
+++ b/include/llvm/Analysis/DebugInfo.h
@@ -468,15 +468,8 @@ namespace llvm {
     Module &M;
     LLVMContext& VMContext;
 
-    // Cached values for uniquing and faster lookups.
     const Type *EmptyStructPtr; // "{}*".
-    Function *StopPointFn;   // llvm.dbg.stoppoint
-    Function *FuncStartFn;   // llvm.dbg.func.start
-    Function *RegionStartFn; // llvm.dbg.region.start
-    Function *RegionEndFn;   // llvm.dbg.region.end
     Function *DeclareFn;     // llvm.dbg.declare
-    StringMap<Constant*> StringCache;
-    DenseMap<Constant*, DIDescriptor> SimpleConstantCache;
 
     DIFactory(const DIFactory &);     // DO NOT IMPLEMENT
     void operator=(const DIFactory&); // DO NOT IMPLEMENT
@@ -605,23 +598,6 @@ namespace llvm {
     DILocation CreateLocation(unsigned LineNo, unsigned ColumnNo,
                               DIScope S, DILocation OrigLoc);
 
-    /// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation,
-    /// inserting it at the end of the specified basic block.
-    void InsertStopPoint(DICompileUnit CU, unsigned LineNo, unsigned ColNo,
-                         BasicBlock *BB);
-
-    /// InsertSubprogramStart - Create a new llvm.dbg.func.start intrinsic to
-    /// mark the start of the specified subprogram.
-    void InsertSubprogramStart(DISubprogram SP, BasicBlock *BB);
-
-    /// InsertRegionStart - Insert a new llvm.dbg.region.start intrinsic call to
-    /// mark the start of a region for the specified scoping descriptor.
-    void InsertRegionStart(DIDescriptor D, BasicBlock *BB);
-
-    /// InsertRegionEnd - Insert a new llvm.dbg.region.end intrinsic call to
-    /// mark the end of a region for the specified scoping descriptor.
-    void InsertRegionEnd(DIDescriptor D, BasicBlock *BB);
-
     /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
     Instruction *InsertDeclare(llvm::Value *Storage, DIVariable D,
                                BasicBlock *InsertAtEnd);
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 1b58b5ed57f..8f62245296f 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -606,9 +606,7 @@ void DIVariable::dump() const {
 //===----------------------------------------------------------------------===//
 
 DIFactory::DIFactory(Module &m)
-  : M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0),
-    RegionStartFn(0), RegionEndFn(0),
-    DeclareFn(0) {
+  : M(m), VMContext(M.getContext()), DeclareFn(0) {
   EmptyStructPtr = PointerType::getUnqual(StructType::get(VMContext));
 }
 
@@ -983,58 +981,6 @@ DILocation DIFactory::CreateLocation(unsigned LineNo, unsigned ColumnNo,
 // DIFactory: Routines for inserting code into a function
 //===----------------------------------------------------------------------===//
 
-/// InsertStopPoint - Create a new llvm.dbg.stoppoint intrinsic invocation,
-/// inserting it at the end of the specified basic block.
-void DIFactory::InsertStopPoint(DICompileUnit CU, unsigned LineNo,
-                                unsigned ColNo, BasicBlock *BB) {
-
-  // Lazily construct llvm.dbg.stoppoint function.
-  if (!StopPointFn)
-    StopPointFn = llvm::Intrinsic::getDeclaration(&M,
-                                              llvm::Intrinsic::dbg_stoppoint);
-
-  // Invoke llvm.dbg.stoppoint
-  Value *Args[] = {
-    ConstantInt::get(llvm::Type::getInt32Ty(VMContext), LineNo),
-    ConstantInt::get(llvm::Type::getInt32Ty(VMContext), ColNo),
-    CU.getNode()
-  };
-  CallInst::Create(StopPointFn, Args, Args+3, "", BB);
-}
-
-/// InsertSubprogramStart - Create a new llvm.dbg.func.start intrinsic to
-/// mark the start of the specified subprogram.
-void DIFactory::InsertSubprogramStart(DISubprogram SP, BasicBlock *BB) {
-  // Lazily construct llvm.dbg.func.start.
-  if (!FuncStartFn)
-    FuncStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_func_start);
-
-  // Call llvm.dbg.func.start which also implicitly sets a stoppoint.
-  CallInst::Create(FuncStartFn, SP.getNode(), "", BB);
-}
-
-/// InsertRegionStart - Insert a new llvm.dbg.region.start intrinsic call to
-/// mark the start of a region for the specified scoping descriptor.
-void DIFactory::InsertRegionStart(DIDescriptor D, BasicBlock *BB) {
-  // Lazily construct llvm.dbg.region.start function.
-  if (!RegionStartFn)
-    RegionStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_start);
-
-  // Call llvm.dbg.func.start.
-  CallInst::Create(RegionStartFn, D.getNode(), "", BB);
-}
-
-/// InsertRegionEnd - Insert a new llvm.dbg.region.end intrinsic call to
-/// mark the end of a region for the specified scoping descriptor.
-void DIFactory::InsertRegionEnd(DIDescriptor D, BasicBlock *BB) {
-  // Lazily construct llvm.dbg.region.end function.
-  if (!RegionEndFn)
-    RegionEndFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_end);
-
-  // Call llvm.dbg.region.end.
-  CallInst::Create(RegionEndFn, D.getNode(), "", BB);
-}
-
 /// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
 Instruction *DIFactory::InsertDeclare(Value *Storage, DIVariable D,
                               Instruction *InsertBefore) {