Use const qualifiers with TargetLowering. This eliminates several
const_casts, and it reinforces the design of the Target classes being
immutable.
SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.
And PIC16's AsmPrinter no longer uses TargetLowering.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101635 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
index 7867849..71965cb 100644
--- a/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
+++ b/lib/Target/CellSPU/SPUISelDAGToDAG.cpp
@@ -14,7 +14,6 @@
#include "SPU.h"
#include "SPUTargetMachine.h"
-#include "SPUISelLowering.h"
#include "SPUHazardRecognizers.h"
#include "SPUFrameInfo.h"
#include "SPURegisterNames.h"
@@ -239,8 +238,8 @@
class SPUDAGToDAGISel :
public SelectionDAGISel
{
- SPUTargetMachine &TM;
- SPUTargetLowering &SPUtli;
+ const SPUTargetMachine &TM;
+ const SPUTargetLowering &SPUtli;
unsigned GlobalBaseReg;
public:
@@ -310,8 +309,7 @@
SDValue CPIdx = CurDAG->getConstantPool(CP, SPUtli.getPointerTy());
unsigned Alignment = cast<ConstantPoolSDNode>(CPIdx)->getAlignment();
SDValue CGPoolOffset =
- SPU::LowerConstantPool(CPIdx, *CurDAG,
- SPUtli.getSPUTargetMachine());
+ SPU::LowerConstantPool(CPIdx, *CurDAG, TM);
HandleSDNode Dummy(CurDAG->getLoad(vecVT, dl,
CurDAG->getEntryNode(), CGPoolOffset,
diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp
index 67e6cdb..022b71a 100644
--- a/lib/Target/CellSPU/SPUISelLowering.cpp
+++ b/lib/Target/CellSPU/SPUISelLowering.cpp
@@ -89,7 +89,7 @@
SDValue
ExpandLibCall(RTLIB::Libcall LC, SDValue Op, SelectionDAG &DAG,
- bool isSigned, SDValue &Hi, SPUTargetLowering &TLI) {
+ bool isSigned, SDValue &Hi, const SPUTargetLowering &TLI) {
// The input chain to this libcall is the entry node of the function.
// Legalizing the call will automatically add the previous call to the
// dependence.
@@ -1005,7 +1005,8 @@
const SmallVectorImpl<ISD::InputArg>
&Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals)
+ const {
MachineFunction &MF = DAG.getMachineFunction();
MachineFrameInfo *MFI = MF.getFrameInfo();
@@ -1136,7 +1137,7 @@
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) {
+ SmallVectorImpl<SDValue> &InVals) const {
// CellSPU target does not yet support tail call optimization.
isTailCall = false;
@@ -1364,7 +1365,7 @@
SPUTargetLowering::LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG) {
+ DebugLoc dl, SelectionDAG &DAG) const {
SmallVector<CCValAssign, 16> RVLocs;
CCState CCInfo(CallConv, isVarArg, getTargetMachine(),
@@ -2354,7 +2355,7 @@
All conversions to i64 are expanded to a libcall.
*/
static SDValue LowerFP_TO_INT(SDValue Op, SelectionDAG &DAG,
- SPUTargetLowering &TLI) {
+ const SPUTargetLowering &TLI) {
EVT OpVT = Op.getValueType();
SDValue Op0 = Op.getOperand(0);
EVT Op0VT = Op0.getValueType();
@@ -2380,7 +2381,7 @@
All conversions from i64 are expanded to a libcall.
*/
static SDValue LowerINT_TO_FP(SDValue Op, SelectionDAG &DAG,
- SPUTargetLowering &TLI) {
+ const SPUTargetLowering &TLI) {
EVT OpVT = Op.getValueType();
SDValue Op0 = Op.getOperand(0);
EVT Op0VT = Op0.getValueType();
@@ -2656,7 +2657,7 @@
lowering of nodes.
*/
SDValue
-SPUTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG)
+SPUTargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const
{
unsigned Opc = (unsigned) Op.getOpcode();
EVT VT = Op.getValueType();
@@ -2752,7 +2753,7 @@
void SPUTargetLowering::ReplaceNodeResults(SDNode *N,
SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG)
+ SelectionDAG &DAG) const
{
#if 0
unsigned Opc = (unsigned) N->getOpcode();
diff --git a/lib/Target/CellSPU/SPUISelLowering.h b/lib/Target/CellSPU/SPUISelLowering.h
index 3c51177..9ebd442 100644
--- a/lib/Target/CellSPU/SPUISelLowering.h
+++ b/lib/Target/CellSPU/SPUISelLowering.h
@@ -109,11 +109,11 @@
virtual MVT::SimpleValueType getSetCCResultType(EVT VT) const;
//! Custom lowering hooks
- virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG);
+ virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
//! Custom lowering hook for nodes with illegal result types.
virtual void ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue>&Results,
- SelectionDAG &DAG);
+ SelectionDAG &DAG) const;
virtual SDValue PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI) const;
@@ -153,7 +153,7 @@
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals);
+ SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerCall(SDValue Chain, SDValue Callee,
@@ -162,13 +162,13 @@
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<ISD::InputArg> &Ins,
DebugLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals);
+ SmallVectorImpl<SDValue> &InVals) const;
virtual SDValue
LowerReturn(SDValue Chain,
CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
- DebugLoc dl, SelectionDAG &DAG);
+ DebugLoc dl, SelectionDAG &DAG) const;
};
}
diff --git a/lib/Target/CellSPU/SPUTargetMachine.h b/lib/Target/CellSPU/SPUTargetMachine.h
index 9fdcfe9..37e7cd2 100644
--- a/lib/Target/CellSPU/SPUTargetMachine.h
+++ b/lib/Target/CellSPU/SPUTargetMachine.h
@@ -57,8 +57,8 @@
return NULL;
}
- virtual SPUTargetLowering *getTargetLowering() const {
- return const_cast<SPUTargetLowering*>(&TLInfo);
+ virtual const SPUTargetLowering *getTargetLowering() const {
+ return &TLInfo;
}
virtual const SPURegisterInfo *getRegisterInfo() const {