Make references to HexagonTargetMachine "const".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181233 91177308-0d34-0410-b5e6-96231b3b80d8

6 files changed, 26 insertions, 25 deletions

diff --git a/lib/Target/Hexagon/Hexagon.h b/lib/Target/Hexagon/Hexagon.h
index 3a3978d93c..a9b00a22ac 100644
--- a/lib/Target/Hexagon/Hexagon.h
+++ b/lib/Target/Hexagon/Hexagon.h
@@ -29,26 +29,25 @@ namespace llvm {
   class HexagonTargetMachine;
   class raw_ostream;
 
-  FunctionPass *createHexagonISelDag(HexagonTargetMachine &TM,
+  FunctionPass *createHexagonISelDag(const HexagonTargetMachine &TM,
                                      CodeGenOpt::Level OptLevel);
-  FunctionPass *createHexagonDelaySlotFillerPass(TargetMachine &TM);
-  FunctionPass *createHexagonFPMoverPass(TargetMachine &TM);
-  FunctionPass *createHexagonRemoveExtendArgs(HexagonTargetMachine &TM);
-  FunctionPass *createHexagonCFGOptimizer(HexagonTargetMachine &TM);
-
-  FunctionPass *createHexagonSplitTFRCondSets(HexagonTargetMachine &TM);
-  FunctionPass *createHexagonExpandPredSpillCode(HexagonTargetMachine &TM);
+  FunctionPass *createHexagonDelaySlotFillerPass(const TargetMachine &TM);
+  FunctionPass *createHexagonFPMoverPass(const TargetMachine &TM);
+  FunctionPass *createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM);
+  FunctionPass *createHexagonCFGOptimizer(const HexagonTargetMachine &TM);
 
+  FunctionPass *createHexagonSplitTFRCondSets(const HexagonTargetMachine &TM);
+  FunctionPass *createHexagonExpandPredSpillCode(
+                      const HexagonTargetMachine &TM);
   FunctionPass *createHexagonHardwareLoops();
   FunctionPass *createHexagonPeephole();
   FunctionPass *createHexagonFixupHwLoops();
   FunctionPass *createHexagonPacketizer();
   FunctionPass *createHexagonNewValueJump();
 
-
 /* TODO: object output.
   MCCodeEmitter *createHexagonMCCodeEmitter(const Target &,
-                                            TargetMachine &TM,
+                                            const TargetMachine &TM,
                                             MCContext &Ctx);
 */
 /* TODO: assembler input.
diff --git a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
index b6022ca7d7..7c50596b9a 100644
--- a/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
+++ b/lib/Target/Hexagon/HexagonCFGOptimizer.cpp
@@ -31,16 +31,15 @@ namespace {
 class HexagonCFGOptimizer : public MachineFunctionPass {
 
 private:
-  HexagonTargetMachine& QTM;
+  const HexagonTargetMachine& QTM;
   const HexagonSubtarget &QST;
 
   void InvertAndChangeJumpTarget(MachineInstr*, MachineBasicBlock*);
 
  public:
   static char ID;
-  HexagonCFGOptimizer(HexagonTargetMachine& TM) : MachineFunctionPass(ID),
-                                                  QTM(TM),
-                                                  QST(*TM.getSubtargetImpl()) {}
+  HexagonCFGOptimizer(const HexagonTargetMachine& TM)
+    : MachineFunctionPass(ID), QTM(TM), QST(*TM.getSubtargetImpl()) {}
 
   const char *getPassName() const {
     return "Hexagon CFG Optimizer";
@@ -231,6 +230,6 @@ bool HexagonCFGOptimizer::runOnMachineFunction(MachineFunction &Fn) {
 //                         Public Constructor Functions
 //===----------------------------------------------------------------------===//
 
-FunctionPass *llvm::createHexagonCFGOptimizer(HexagonTargetMachine &TM) {
+FunctionPass *llvm::createHexagonCFGOptimizer(const HexagonTargetMachine &TM) {
   return new HexagonCFGOptimizer(TM);
 }
diff --git a/lib/Target/Hexagon/HexagonExpandPredSpillCode.cpp b/lib/Target/Hexagon/HexagonExpandPredSpillCode.cpp
index 08144217fd..40dba7afe6 100644
--- a/lib/Target/Hexagon/HexagonExpandPredSpillCode.cpp
+++ b/lib/Target/Hexagon/HexagonExpandPredSpillCode.cpp
@@ -44,12 +44,12 @@ using namespace llvm;
 namespace {
 
 class HexagonExpandPredSpillCode : public MachineFunctionPass {
-    HexagonTargetMachine& QTM;
+    const HexagonTargetMachine& QTM;
     const HexagonSubtarget &QST;
 
  public:
     static char ID;
-    HexagonExpandPredSpillCode(HexagonTargetMachine& TM) :
+    HexagonExpandPredSpillCode(const HexagonTargetMachine& TM) :
       MachineFunctionPass(ID), QTM(TM), QST(*TM.getSubtargetImpl()) {}
 
     const char *getPassName() const {
@@ -175,6 +175,7 @@ bool HexagonExpandPredSpillCode::runOnMachineFunction(MachineFunction &Fn) {
 //                         Public Constructor Functions
 //===----------------------------------------------------------------------===//
 
-FunctionPass *llvm::createHexagonExpandPredSpillCode(HexagonTargetMachine &TM) {
+FunctionPass*
+llvm::createHexagonExpandPredSpillCode(const HexagonTargetMachine &TM) {
   return new HexagonExpandPredSpillCode(TM);
 }
diff --git a/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp b/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
index ba6c10035f..54ca2c97ea 100644
--- a/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
+++ b/lib/Target/Hexagon/HexagonISelDAGToDAG.cpp
@@ -49,11 +49,11 @@ class HexagonDAGToDAGISel : public SelectionDAGISel {
   const HexagonSubtarget &Subtarget;
 
   // Keep a reference to HexagonTargetMachine.
-  HexagonTargetMachine& TM;
+  const HexagonTargetMachine& TM;
   const HexagonInstrInfo *TII;
   DenseMap<const GlobalValue *, unsigned> GlobalAddressUseCountMap;
 public:
-  explicit HexagonDAGToDAGISel(HexagonTargetMachine &targetmachine,
+  explicit HexagonDAGToDAGISel(const HexagonTargetMachine &targetmachine,
                                CodeGenOpt::Level OptLevel)
     : SelectionDAGISel(targetmachine, OptLevel),
       Subtarget(targetmachine.getSubtarget<HexagonSubtarget>()),
@@ -180,7 +180,7 @@ inline SDValue XformUToUM1Imm(unsigned Imm) {
 /// createHexagonISelDag - This pass converts a legalized DAG into a
 /// Hexagon-specific DAG, ready for instruction scheduling.
 ///
-FunctionPass *llvm::createHexagonISelDag(HexagonTargetMachine &TM,
+FunctionPass *llvm::createHexagonISelDag(const HexagonTargetMachine &TM,
                                          CodeGenOpt::Level OptLevel) {
   return new HexagonDAGToDAGISel(TM, OptLevel);
 }
diff --git a/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp b/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
index f3c480929d..bfec79d95f 100644
--- a/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
+++ b/lib/Target/Hexagon/HexagonRemoveSZExtArgs.cpp
@@ -78,6 +78,7 @@ bool HexagonRemoveExtendArgs::runOnFunction(Function &F) {
 
 
 
-FunctionPass *llvm::createHexagonRemoveExtendArgs(HexagonTargetMachine &TM) {
+FunctionPass*
+llvm::createHexagonRemoveExtendArgs(const HexagonTargetMachine &TM) {
   return new HexagonRemoveExtendArgs();
 }
diff --git a/lib/Target/Hexagon/HexagonSplitTFRCondSets.cpp b/lib/Target/Hexagon/HexagonSplitTFRCondSets.cpp
index 814249fa68..df290da016 100644
--- a/lib/Target/Hexagon/HexagonSplitTFRCondSets.cpp
+++ b/lib/Target/Hexagon/HexagonSplitTFRCondSets.cpp
@@ -52,12 +52,12 @@ using namespace llvm;
 namespace {
 
 class HexagonSplitTFRCondSets : public MachineFunctionPass {
-    HexagonTargetMachine& QTM;
+    const HexagonTargetMachine &QTM;
     const HexagonSubtarget &QST;
 
  public:
     static char ID;
-    HexagonSplitTFRCondSets(HexagonTargetMachine& TM) :
+    HexagonSplitTFRCondSets(const HexagonTargetMachine& TM) :
       MachineFunctionPass(ID), QTM(TM), QST(*TM.getSubtargetImpl()) {}
 
     const char *getPassName() const {
@@ -211,6 +211,7 @@ bool HexagonSplitTFRCondSets::runOnMachineFunction(MachineFunction &Fn) {
 //                         Public Constructor Functions
 //===----------------------------------------------------------------------===//
 
-FunctionPass *llvm::createHexagonSplitTFRCondSets(HexagonTargetMachine &TM) {
+FunctionPass*
+llvm::createHexagonSplitTFRCondSets(const HexagonTargetMachine &TM) {
   return new HexagonSplitTFRCondSets(TM);
 }