Move RDF from Hexagon to Codegen

RDF is designed to be target agnostic. Therefore it would be useful to have it available for other targets, such as X86.

Based on a previous patch by Krzysztof Parzyszek

Differential Revision: https://reviews.llvm.org/D75932

Author: scottconstable

llvm/lib/Target/Hexagon/RDFGraph.h renamed to llvm/include/llvm/CodeGen/RDFGraph.h

@@ -114,6 +114,9 @@ add_llvm_component_library(LLVMCodeGen
   ProcessImplicitDefs.cpp
   PrologEpilogInserter.cpp
   PseudoSourceValue.cpp
+  RDFGraph.cpp
+  RDFLiveness.cpp
+  RDFRegisters.cpp
   ReachingDefAnalysis.cpp
   RegAllocBase.cpp
   RegAllocBasic.cpp

llvm/lib/Target/Hexagon/RDFLiveness.h renamed to llvm/include/llvm/CodeGen/RDFLiveness.h

@@ -8,8 +8,6 @@
 //
 // Target-independent, SSA-based data flow graph for register data flow (RDF).
 //
-#include "RDFGraph.h"
-#include "RDFRegisters.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SetVector.h"
@@ -20,6 +18,8 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
@@ -753,8 +753,10 @@ RegisterSet DataFlowGraph::getLandingPadLiveIns() const {
   const TargetLowering &TLI = *MF.getSubtarget().getTargetLowering();
   if (RegisterId R = TLI.getExceptionPointerRegister(PF))
     LR.insert(RegisterRef(R));
-  if (RegisterId R = TLI.getExceptionSelectorRegister(PF))
-    LR.insert(RegisterRef(R));
+  if (!isFuncletEHPersonality(classifyEHPersonality(PF))) {
+    if (RegisterId R = TLI.getExceptionSelectorRegister(PF))
+      LR.insert(RegisterRef(R));
+  }
   return LR;
 }
 

llvm/lib/Target/Hexagon/RDFRegisters.h renamed to llvm/include/llvm/CodeGen/RDFRegisters.h

@@ -22,9 +22,6 @@
 // and Embedded Architectures and Compilers", 8 (4),
 // <10.1145/2086696.2086706>. <hal-00647369>
 //
-#include "RDFLiveness.h"
-#include "RDFGraph.h"
-#include "RDFRegisters.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SetVector.h"
@@ -33,6 +30,9 @@
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/CodeGen/RDFLiveness.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/MC/LaneBitmask.h"
 #include "llvm/MC/MCRegisterInfo.h"

llvm/lib/CodeGen/CMakeLists.txt

@@ -6,11 +6,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "RDFRegisters.h"
 #include "llvm/ADT/BitVector.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/MC/LaneBitmask.h"
 #include "llvm/MC/MCRegisterInfo.h"

llvm/lib/Target/Hexagon/RDFGraph.cpp renamed to llvm/lib/CodeGen/RDFGraph.cpp

@@ -64,9 +64,6 @@ add_llvm_target(HexagonCodeGen
   HexagonVLIWPacketizer.cpp
   RDFCopy.cpp
   RDFDeadCode.cpp
-  RDFGraph.cpp
-  RDFLiveness.cpp
-  RDFRegisters.cpp
 )
 
 add_subdirectory(AsmParser)

llvm/lib/Target/Hexagon/RDFLiveness.cpp renamed to llvm/lib/CodeGen/RDFLiveness.cpp

@@ -12,9 +12,6 @@
 #include "HexagonInstrInfo.h"
 #include "HexagonSubtarget.h"
 #include "MCTargetDesc/HexagonBaseInfo.h"
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
-#include "RDFRegisters.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/StringRef.h"
@@ -27,6 +24,9 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/MC/MCInstrDesc.h"

llvm/lib/Target/Hexagon/RDFRegisters.cpp renamed to llvm/lib/CodeGen/RDFRegisters.cpp

@@ -11,9 +11,6 @@
 #include "MCTargetDesc/HexagonBaseInfo.h"
 #include "RDFCopy.h"
 #include "RDFDeadCode.h"
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
-#include "RDFRegisters.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SetVector.h"
@@ -24,6 +21,9 @@
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"

llvm/lib/Target/Hexagon/CMakeLists.txt

@@ -11,13 +11,13 @@
 //===----------------------------------------------------------------------===//
 
 #include "RDFCopy.h"
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
-#include "RDFRegisters.h"
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/MC/MCRegisterInfo.h"

llvm/lib/Target/Hexagon/HexagonOptAddrMode.cpp

@@ -9,9 +9,9 @@
 #ifndef LLVM_LIB_TARGET_HEXAGON_RDFCOPY_H
 #define LLVM_LIB_TARGET_HEXAGON_RDFCOPY_H
 
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
-#include "RDFRegisters.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
+#include "llvm/CodeGen/RDFRegisters.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include <map>
 #include <vector>

llvm/lib/Target/Hexagon/HexagonRDFOpt.cpp

@@ -9,13 +9,13 @@
 // RDF-based generic dead code elimination.
 
 #include "RDFDeadCode.h"
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
 
 #include "llvm/ADT/SetVector.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
 #include "llvm/Support/Debug.h"
 
 #include <queue>

llvm/lib/Target/Hexagon/RDFCopy.cpp

@@ -23,8 +23,8 @@
 #ifndef RDF_DEADCODE_H
 #define RDF_DEADCODE_H
 
-#include "RDFGraph.h"
-#include "RDFLiveness.h"
+#include "llvm/CodeGen/RDFGraph.h"
+#include "llvm/CodeGen/RDFLiveness.h"
 #include "llvm/ADT/SetVector.h"
 
 namespace llvm {