Const-qualify getPreIndexedAddressParts and friends.

llvm-svn: 62259

5 files changed, 17 insertions, 16 deletions

diff --git a/llvm/include/llvm/Target/TargetLowering.h b/llvm/include/llvm/Target/TargetLowering.h
index dc7c6eecddd..4808cd48d54 100644
--- a/llvm/include/llvm/Target/TargetLowering.h
+++ b/llvm/include/llvm/Target/TargetLowering.h
@@ -676,7 +676,7 @@ public:
   virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base,
                                          SDValue &Offset,
                                          ISD::MemIndexedMode &AM,
-                                         SelectionDAG &DAG) {
+                                         SelectionDAG &DAG) const {
     return false;
   }
   
@@ -686,7 +686,7 @@ public:
   virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op,
                                           SDValue &Base, SDValue &Offset,
                                           ISD::MemIndexedMode &AM,
-                                          SelectionDAG &DAG) {
+                                          SelectionDAG &DAG) const {
     return false;
   }
   
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index 02a0ed624dc..7bef576057d 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -1726,7 +1726,7 @@ bool
 ARMTargetLowering::getPreIndexedAddressParts(SDNode *N, SDValue &Base,
                                              SDValue &Offset,
                                              ISD::MemIndexedMode &AM,
-                                             SelectionDAG &DAG) {
+                                             SelectionDAG &DAG) const {
   if (Subtarget->isThumb())
     return false;
 
@@ -1760,7 +1760,7 @@ bool ARMTargetLowering::getPostIndexedAddressParts(SDNode *N, SDNode *Op,
                                                    SDValue &Base,
                                                    SDValue &Offset,
                                                    ISD::MemIndexedMode &AM,
-                                                   SelectionDAG &DAG) {
+                                                   SelectionDAG &DAG) const {
   if (Subtarget->isThumb())
     return false;
 
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
index 3f664fcd123..ab459ef3549 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -100,7 +100,7 @@ namespace llvm {
     virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base,
                                            SDValue &Offset,
                                            ISD::MemIndexedMode &AM,
-                                           SelectionDAG &DAG);
+                                           SelectionDAG &DAG) const;
 
     /// getPostIndexedAddressParts - returns true by value, base pointer and
     /// offset pointer and addressing mode by reference if this node can be
@@ -108,7 +108,7 @@ namespace llvm {
     virtual bool getPostIndexedAddressParts(SDNode *N, SDNode *Op,
                                             SDValue &Base, SDValue &Offset,
                                             ISD::MemIndexedMode &AM,
-                                            SelectionDAG &DAG);
+                                            SelectionDAG &DAG) const;
 
     virtual void computeMaskedBitsForTargetNode(const SDValue Op,
                                                 const APInt &Mask,
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 9170f61f0fe..c31daccbd55 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -766,7 +766,7 @@ static bool isIntS16Immediate(SDValue Op, short &Imm) {
 /// can be more efficiently represented with [r+imm].
 bool PPCTargetLowering::SelectAddressRegReg(SDValue N, SDValue &Base,
                                             SDValue &Index,
-                                            SelectionDAG &DAG) {
+                                            SelectionDAG &DAG) const {
   short imm = 0;
   if (N.getOpcode() == ISD::ADD) {
     if (isIntS16Immediate(N.getOperand(1), imm))
@@ -813,7 +813,8 @@ bool PPCTargetLowering::SelectAddressRegReg(SDValue N, SDValue &Base,
 /// a signed 16-bit displacement [r+imm], and if it is not better
 /// represented as reg+reg.
 bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
-                                            SDValue &Base, SelectionDAG &DAG){
+                                            SDValue &Base,
+                                            SelectionDAG &DAG) const {
   // If this can be more profitably realized as r+r, fail.
   if (SelectAddressRegReg(N, Disp, Base, DAG))
     return false;
@@ -898,7 +899,7 @@ bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
 /// represented as an indexed [r+r] operation.
 bool PPCTargetLowering::SelectAddressRegRegOnly(SDValue N, SDValue &Base,
                                                 SDValue &Index,
-                                                SelectionDAG &DAG) {
+                                                SelectionDAG &DAG) const {
   // Check to see if we can easily represent this as an [r+r] address.  This
   // will fail if it thinks that the address is more profitably represented as
   // reg+imm, e.g. where imm = 0.
@@ -925,7 +926,7 @@ bool PPCTargetLowering::SelectAddressRegRegOnly(SDValue N, SDValue &Base,
 /// [r+imm*4].  Suitable for use by STD and friends.
 bool PPCTargetLowering::SelectAddressRegImmShift(SDValue N, SDValue &Disp,
                                                  SDValue &Base,
-                                                 SelectionDAG &DAG) {
+                                                 SelectionDAG &DAG) const {
   // If this can be more profitably realized as r+r, fail.
   if (SelectAddressRegReg(N, Disp, Base, DAG))
     return false;
@@ -1013,7 +1014,7 @@ bool PPCTargetLowering::SelectAddressRegImmShift(SDValue N, SDValue &Disp,
 bool PPCTargetLowering::getPreIndexedAddressParts(SDNode *N, SDValue &Base,
                                                   SDValue &Offset,
                                                   ISD::MemIndexedMode &AM,
-                                                  SelectionDAG &DAG) {
+                                                  SelectionDAG &DAG) const {
   // Disabled by default for now.
   if (!EnablePPCPreinc) return false;
   
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 75dd758abe8..56421df36f6 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -239,30 +239,30 @@ namespace llvm {
     virtual bool getPreIndexedAddressParts(SDNode *N, SDValue &Base,
                                            SDValue &Offset,
                                            ISD::MemIndexedMode &AM,
-                                           SelectionDAG &DAG);
+                                           SelectionDAG &DAG) const;
     
     /// SelectAddressRegReg - Given the specified addressed, check to see if it
     /// can be represented as an indexed [r+r] operation.  Returns false if it
     /// can be more efficiently represented with [r+imm].
     bool SelectAddressRegReg(SDValue N, SDValue &Base, SDValue &Index,
-                             SelectionDAG &DAG);
+                             SelectionDAG &DAG) const;
     
     /// SelectAddressRegImm - Returns true if the address N can be represented
     /// by a base register plus a signed 16-bit displacement [r+imm], and if it
     /// is not better represented as reg+reg.
     bool SelectAddressRegImm(SDValue N, SDValue &Disp, SDValue &Base,
-                             SelectionDAG &DAG);
+                             SelectionDAG &DAG) const;
     
     /// SelectAddressRegRegOnly - Given the specified addressed, force it to be
     /// represented as an indexed [r+r] operation.
     bool SelectAddressRegRegOnly(SDValue N, SDValue &Base, SDValue &Index,
-                                 SelectionDAG &DAG);
+                                 SelectionDAG &DAG) const;
 
     /// SelectAddressRegImmShift - Returns true if the address N can be
     /// represented by a base register plus a signed 14-bit displacement
     /// [r+imm*4].  Suitable for use by STD and friends.
     bool SelectAddressRegImmShift(SDValue N, SDValue &Disp, SDValue &Base,
-                                  SelectionDAG &DAG);
+                                  SelectionDAG &DAG) const;
 
     
     /// LowerOperation - Provide custom lowering hooks for some operations.