Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8

105 files changed, 518 insertions, 20 deletions

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 1f0053d8cf..50080592a3 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -638,6 +638,32 @@ DIArray DICompileUnit::getGlobalVariables() const {
 }
 
 //===----------------------------------------------------------------------===//
+// DIDescriptor: vtable anchors for all descriptors.
+//===----------------------------------------------------------------------===//
+
+void DIScope::anchor() { }
+
+void DICompileUnit::anchor() { }
+
+void DIFile::anchor() { }
+
+void DIType::anchor() { }
+
+void DIBasicType::anchor() { }
+
+void DIDerivedType::anchor() { }
+
+void DICompositeType::anchor() { }
+
+void DISubprogram::anchor() { }
+
+void DILexicalBlock::anchor() { }
+
+void DINameSpace::anchor() { }
+
+void DILexicalBlockFile::anchor() { }
+
+//===----------------------------------------------------------------------===//
 // DIDescriptor: dump routines for all descriptors.
 //===----------------------------------------------------------------------===//
 
diff --git a/lib/Analysis/DominanceFrontier.cpp b/lib/Analysis/DominanceFrontier.cpp
index 6de4e1e1d7..1604576ec4 100644
--- a/lib/Analysis/DominanceFrontier.cpp
+++ b/lib/Analysis/DominanceFrontier.cpp
@@ -35,6 +35,8 @@ namespace {
   };
 }
 
+void DominanceFrontier::anchor() { }
+
 const DominanceFrontier::DomSetType &
 DominanceFrontier::calculate(const DominatorTree &DT,
                              const DomTreeNode *Node) {
diff --git a/lib/CodeGen/AsmPrinter/DIE.cpp b/lib/CodeGen/AsmPrinter/DIE.cpp
index 4f2d3e5b79..64e89e666e 100644
--- a/lib/CodeGen/AsmPrinter/DIE.cpp
+++ b/lib/CodeGen/AsmPrinter/DIE.cpp
@@ -174,6 +174,7 @@ void DIE::dump() {
 }
 #endif
 
+void DIEValue::anchor() { }
 
 #ifndef NDEBUG
 void DIEValue::dump() {
diff --git a/lib/CodeGen/AsmPrinter/DIE.h b/lib/CodeGen/AsmPrinter/DIE.h
index 265446cf23..b4996250c1 100644
--- a/lib/CodeGen/AsmPrinter/DIE.h
+++ b/lib/CodeGen/AsmPrinter/DIE.h
@@ -195,6 +195,7 @@ namespace llvm {
   /// DIEValue - A debug information entry value.
   ///
   class DIEValue {
+    virtual void anchor();
   public:
     enum {
       isInteger,
diff --git a/lib/CodeGen/JITCodeEmitter.cpp b/lib/CodeGen/JITCodeEmitter.cpp
new file mode 100644
index 0000000000..96a53892f6
--- /dev/null
+++ b/lib/CodeGen/JITCodeEmitter.cpp
@@ -0,0 +1,14 @@
+//===-- llvm/CodeGen/JITCodeEmitter.cpp - Code emission --------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/JITCodeEmitter.h"
+
+using namespace llvm;
+
+void JITCodeEmitter::anchor() { }
diff --git a/lib/CodeGen/LexicalScopes.cpp b/lib/CodeGen/LexicalScopes.cpp
index a12e1a36d1..f1abcbb1dd 100644
--- a/lib/CodeGen/LexicalScopes.cpp
+++ b/lib/CodeGen/LexicalScopes.cpp
@@ -311,6 +311,8 @@ bool LexicalScopes::dominates(DebugLoc DL, MachineBasicBlock *MBB) {
   return Result;
 }
 
+void LexicalScope::anchor() { }
+
 /// dump - Print data structures.
 void LexicalScope::dump() const {
 #ifndef NDEBUG
diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index a470877e12..08ad0855ef 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -29,6 +29,8 @@ STATISTIC(NumDCEDeleted,     "Number of instructions deleted by DCE");
 STATISTIC(NumDCEFoldedLoads, "Number of single use loads folded after DCE");
 STATISTIC(NumFracRanges,     "Number of live ranges fractured by DCE");
 
+void LiveRangeEdit::Delegate::anchor() { }
+
 LiveInterval &LiveRangeEdit::createFrom(unsigned OldReg,
                                         LiveIntervals &LIS,
                                         VirtRegMap &VRM) {
diff --git a/lib/CodeGen/LiveRangeEdit.h b/lib/CodeGen/LiveRangeEdit.h
index 057d9bb68c..29361ac76a 100644
--- a/lib/CodeGen/LiveRangeEdit.h
+++ b/lib/CodeGen/LiveRangeEdit.h
@@ -33,7 +33,9 @@ class VirtRegMap;
 class LiveRangeEdit {
 public:
   /// Callback methods for LiveRangeEdit owners.
-  struct Delegate {
+  class Delegate {
+    virtual void anchor();
+  public:
     /// Called immediately before erasing a dead machine instruction.
     virtual void LRE_WillEraseInstruction(MachineInstr *MI) {}
 
diff --git a/lib/CodeGen/MachineBranchProbabilityInfo.cpp b/lib/CodeGen/MachineBranchProbabilityInfo.cpp
index e3cfa9ea5a..dc45e46bb6 100644
--- a/lib/CodeGen/MachineBranchProbabilityInfo.cpp
+++ b/lib/CodeGen/MachineBranchProbabilityInfo.cpp
@@ -26,6 +26,8 @@ INITIALIZE_PASS_END(MachineBranchProbabilityInfo, "machine-branch-prob",
 
 char MachineBranchProbabilityInfo::ID = 0;
 
+void MachineBranchProbabilityInfo::anchor() { }
+
 uint32_t MachineBranchProbabilityInfo::
 getSumForBlock(MachineBasicBlock *MBB, uint32_t &Scale) const {
   // First we compute the sum with 64-bits of precision, ensuring that cannot
diff --git a/lib/CodeGen/MachineCodeEmitter.cpp b/lib/CodeGen/MachineCodeEmitter.cpp
new file mode 100644
index 0000000000..81b49784c0
--- /dev/null
+++ b/lib/CodeGen/MachineCodeEmitter.cpp
@@ -0,0 +1,14 @@
+//===-- llvm/CodeGen/MachineCodeEmitter.cpp - Code emission -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachineCodeEmitter.h"
+
+using namespace llvm;
+
+void MachineCodeEmitter::anchor() { }
diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp
index 0c89a57fd5..0f9f970b35 100644
--- a/lib/CodeGen/MachineFunction.cpp
+++ b/lib/CodeGen/MachineFunction.cpp
@@ -619,6 +619,8 @@ void MachineJumpTableInfo::dump() const { print(dbgs()); }
 //  MachineConstantPool implementati