[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8

12 files changed, 44 insertions, 4 deletions

diff --git a/lib/Target/R600/AMDGPUInstrInfo.cpp b/lib/Target/R600/AMDGPUInstrInfo.cpp
index 1b2e131fb9..4f7084b920 100644
--- a/lib/Target/R600/AMDGPUInstrInfo.cpp
+++ b/lib/Target/R600/AMDGPUInstrInfo.cpp
@@ -20,13 +20,17 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 
-#define GET_INSTRINFO_CTOR
+#define GET_INSTRINFO_CTOR_DTOR
 #define GET_INSTRINFO_NAMED_OPS
 #define GET_INSTRMAP_INFO
 #include "AMDGPUGenInstrInfo.inc"
 
 using namespace llvm;
 
+
+// Pin the vtable to this file.
+void AMDGPUInstrInfo::anchor() {}
+
 AMDGPUInstrInfo::AMDGPUInstrInfo(TargetMachine &tm)
   : AMDGPUGenInstrInfo(-1,-1), RI(tm), TM(tm) { }
 
diff --git a/lib/Target/R600/AMDGPUInstrInfo.h b/lib/Target/R600/AMDGPUInstrInfo.h
index 6378fdd1eb..ce5b58c692 100644
--- a/lib/Target/R600/AMDGPUInstrInfo.h
+++ b/lib/Target/R600/AMDGPUInstrInfo.h
@@ -43,6 +43,7 @@ private:
   const AMDGPURegisterInfo RI;
   bool getNextBranchInstr(MachineBasicBlock::iterator &iter,
                           MachineBasicBlock &MBB) const;
+  virtual void anchor();
 protected:
   TargetMachine &TM;
 public:
diff --git a/lib/Target/R600/AMDGPUMachineFunction.cpp b/lib/Target/R600/AMDGPUMachineFunction.cpp
index f2342b0e88..14171f4602 100644
--- a/lib/Target/R600/AMDGPUMachineFunction.cpp
+++ b/lib/Target/R600/AMDGPUMachineFunction.cpp
@@ -6,6 +6,9 @@ using namespace llvm;
 
 static const char *const ShaderTypeAttribute = "ShaderType";
 
+// Pin the vtable to this file.
+void AMDGPUMachineFunction::anchor() {}
+
 AMDGPUMachineFunction::AMDGPUMachineFunction(const MachineFunction &MF) :
     MachineFunctionInfo() {
   ShaderType = ShaderType::COMPUTE;
diff --git a/lib/Target/R600/AMDGPUMachineFunction.h b/lib/Target/R600/AMDGPUMachineFunction.h
index fe80ce3f01..fea0b39e91 100644
--- a/lib/Target/R600/AMDGPUMachineFunction.h
+++ b/lib/Target/R600/AMDGPUMachineFunction.h
@@ -19,6 +19,7 @@
 namespace llvm {
 
 class AMDGPUMachineFunction : public MachineFunctionInfo {
+  virtual void anchor();
 public:
   AMDGPUMachineFunction(const MachineFunction &MF);
   unsigned ShaderType;
diff --git a/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.cpp b/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
new file mode 100644
index 0000000000..521b3b39bb
--- /dev/null
+++ b/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.cpp
@@ -0,0 +1,21 @@
+//===-- AMDGPUCodeEmitter.cpp - AMDGPU Code Emitter interface -------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+/// \file
+/// \brief CodeEmitter interface for R600 and SI codegen.
+//
+//===----------------------------------------------------------------------===//
+
+#include "AMDGPUMCCodeEmitter.h"
+
+using namespace llvm;
+
+// pin vtable to this file
+void AMDGPUMCCodeEmitter::anchor() {}
+
diff --git a/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.h b/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.h
index cd3a7ce65a..d8cf64adb9 100644
--- a/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.h
+++ b/lib/Target/R600/MCTargetDesc/AMDGPUMCCodeEmitter.h
@@ -24,6 +24,7 @@ class MCInst;
 class MCOperand;
 
 class AMDGPUMCCodeEmitter : public MCCodeEmitter {
+  virtual void anchor();
 public:
 
   uint64_t getBinaryCodeForInstr(const MCInst &MI,
diff --git a/lib/Target/R600/MCTargetDesc/CMakeLists.txt b/lib/Target/R600/MCTargetDesc/CMakeLists.txt
index 3ccdf42060..98f6925d9f 100644
--- a/lib/Target/R600/MCTargetDesc/CMakeLists.txt
+++ b/lib/Target/R600/MCTargetDesc/CMakeLists.txt
@@ -2,6 +2,7 @@
 add_llvm_library(LLVMR600Desc
   AMDGPUAsmBackend.cpp
   AMDGPUELFObjectWriter.cpp
+  AMDGPUMCCodeEmitter.cpp
   AMDGPUMCTargetDesc.cpp
   AMDGPUMCAsmInfo.cpp
   R600MCCodeEmitter.cpp
diff --git a/lib/Target/R600/R600InstrInfo.cpp b/lib/Target/R600/R600InstrInfo.cpp
index 6381c38919..1f4741634e 100644
--- a/lib/Target/R600/R600InstrInfo.cpp
+++ b/lib/Target/R600/R600InstrInfo.cpp
@@ -23,7 +23,7 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 
-#define GET_INSTRINFO_CTOR
+#define GET_INSTRINFO_CTOR_DTOR
 #include "AMDGPUGenDFAPacketizer.inc"
 
 using namespace llvm;
diff --git a/lib/Target/R600/R600MachineFunctionInfo.cpp b/lib/Target/R600/R600MachineFunctionInfo.cpp
index 018b403633..01105c614c 100644
--- a/lib/Target/R600/R600MachineFunctionInfo.cpp
+++ b/lib/Target/R600/R600MachineFunctionInfo.cpp
@@ -12,7 +12,9 @@
 
 using namespace llvm;
 
-R600MachineFunctionInfo::R600MachineFunctionInfo(const MachineFunction &MF)
-  : AMDGPUMachineFunction(MF) { }
 
+// Pin the vtable to this file.
+void R600MachineFunctionInfo::anchor() {}
 
+R600MachineFunctionInfo::R600MachineFunctionInfo(const MachineFunction &MF)
+  : AMDGPUMachineFunction(MF) { }
diff --git a/lib/Target/R600/R600MachineFunctionInfo.h b/lib/Target/R600/R600MachineFunctionInfo.h
index f23d9b78b3..c1bec0aae7 100644
--- a/lib/Target/R600/R600MachineFunctionInfo.h
+++ b/lib/Target/R600/R600MachineFunctionInfo.h
@@ -21,6 +21,7 @@
 namespace llvm {
 
 class R600MachineFunctionInfo : public AMDGPUMachineFunction {
+  virtual void anchor();
 public:
   R600MachineFunctionInfo(const MachineFunction &MF);
   SmallVector<unsigned, 4> LiveOuts;
diff --git a/lib/Target/R600/SIMachineFunctionInfo.cpp b/lib/Target/R600/SIMachineFunctionInfo.cpp
index ee0e30755f..071f9fa43a 100644
--- a/lib/Target/R600/SIMachineFunctionInfo.cpp
+++ b/lib/Target/R600/SIMachineFunctionInfo.cpp
@@ -13,6 +13,10 @@
 
 using namespace llvm;
 
+
+// Pin the vtable to this file.
+void SIMachineFunctionInfo::anchor() {}
+
 SIMachineFunctionInfo::SIMachineFunctionInfo(const MachineFunction &MF)
   : AMDGPUMachineFunction(MF),
     PSInputAddr(0) { }
diff --git a/lib/Target/R600/SIMachineFunctionInfo.h b/lib/Target/R600/SIMachineFunctionInfo.h
index 6da9f7f9a1..2f1961cafd 100644
--- a/lib/Target/R600/SIMachineFunctionInfo.h
+++ b/lib/Target/R600/SIMachineFunctionInfo.h
@@ -22,6 +22,7 @@ namespace llvm {
 /// This class keeps track of the SPI_SP_INPUT_ADDR config register, which
 /// tells the hardware which interpolation parameters to load.
 class SIMachineFunctionInfo : public AMDGPUMachineFunction {
+  virtual void anchor();
 public:
   SIMachineFunctionInfo(const MachineFunction &MF);
   unsigned PSInputAddr;