[TargetLowering] Use Type* instead of EVT in shouldSignExtendTypeInLibCall. (#118587)

I want to use this function for GISel too so Type * is a better common
interface. All of the callers already convert EVT to Type * as needed
by calling lowering anyway.

Author: topperc

llvm/include/llvm/CodeGen/TargetLowering.h

@@ -2292,7 +2292,7 @@ class TargetLoweringBase {
   virtual void emitAtomicCmpXchgNoStoreLLBalance(IRBuilderBase &Builder) const {}
 
   /// Returns true if arguments should be sign-extended in lib calls.
-  virtual bool shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const {
+  virtual bool shouldSignExtendTypeInLibCall(Type *Ty, bool IsSigned) const {
     return IsSigned;
   }
 

llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp

@@ -2104,7 +2104,7 @@ std::pair<SDValue, SDValue> SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall L
     InChain = TCChain;
 
   TargetLowering::CallLoweringInfo CLI(DAG);
-  bool signExtend = TLI.shouldSignExtendTypeInLibCall(RetVT, isSigned);
+  bool signExtend = TLI.shouldSignExtendTypeInLibCall(RetTy, isSigned);
   CLI.setDebugLoc(SDLoc(Node))
       .setChain(InChain)
       .setLibCallee(TLI.getLibcallCallingConv(LC), RetTy, Callee,
@@ -2135,7 +2135,7 @@ std::pair<SDValue, SDValue> SelectionDAGLegalize::ExpandLibCall(RTLIB::Libcall L
     Type *ArgTy = ArgVT.getTypeForEVT(*DAG.getContext());
     Entry.Node = Op;
     Entry.Ty = ArgTy;
-    Entry.IsSExt = TLI.shouldSignExtendTypeInLibCall(ArgVT, isSigned);
+    Entry.IsSExt = TLI.shouldSignExtendTypeInLibCall(ArgTy, isSigned);
     Entry.IsZExt = !Entry.IsSExt;
     Args.push_back(Entry);
   }

llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -159,8 +159,8 @@ TargetLowering::makeLibCall(SelectionDAG &DAG, RTLIB::Libcall LC, EVT RetVT,
     SDValue NewOp = Ops[i];
     Entry.Node = NewOp;
     Entry.Ty = Entry.Node.getValueType().getTypeForEVT(*DAG.getContext());
-    Entry.IsSExt = shouldSignExtendTypeInLibCall(NewOp.getValueType(),
-                                                 CallOptions.IsSigned);
+    Entry.IsSExt =
+        shouldSignExtendTypeInLibCall(Entry.Ty, CallOptions.IsSigned);
     Entry.IsZExt = !Entry.IsSExt;
 
     if (CallOptions.IsSoften &&
@@ -177,7 +177,7 @@ TargetLowering::makeLibCall(SelectionDAG &DAG, RTLIB::Libcall LC, EVT RetVT,
 
   Type *RetTy = RetVT.getTypeForEVT(*DAG.getContext());
   TargetLowering::CallLoweringInfo CLI(DAG);
-  bool signExtend = shouldSignExtendTypeInLibCall(RetVT, CallOptions.IsSigned);
+  bool signExtend = shouldSignExtendTypeInLibCall(RetTy, CallOptions.IsSigned);
   bool zeroExtend = !signExtend;
 
   if (CallOptions.IsSoften &&

llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp

@@ -6404,8 +6404,8 @@ ISD::NodeType LoongArchTargetLowering::getExtendForAtomicCmpSwapArg() const {
 }
 
 bool LoongArchTargetLowering::shouldSignExtendTypeInLibCall(
-    EVT Type, bool IsSigned) const {
-  if (Subtarget.is64Bit() && Type == MVT::i32)
+    Type *Ty, bool IsSigned) const {
+  if (Subtarget.is64Bit() && Ty->isIntegerTy(32))
     return true;
 
   return IsSigned;

llvm/lib/Target/LoongArch/LoongArchISelLowering.h

@@ -273,7 +273,7 @@ class LoongArchTargetLowering : public TargetLowering {
     return false;
   }
   bool shouldConsiderGEPOffsetSplit() const override { return true; }
-  bool shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const override;
+  bool shouldSignExtendTypeInLibCall(Type *Ty, bool IsSigned) const override;
   bool shouldExtendTypeInLibCall(EVT Type) const override;
 
   bool shouldAlignPointerArgs(CallInst *CI, unsigned &MinSize,

llvm/lib/Target/Mips/MipsISelLowering.cpp

@@ -3871,10 +3871,10 @@ MipsTargetLowering::CanLowerReturn(CallingConv::ID CallConv,
   return CCInfo.CheckReturn(Outs, RetCC_Mips);
 }
 
-bool MipsTargetLowering::shouldSignExtendTypeInLibCall(EVT Type,
+bool MipsTargetLowering::shouldSignExtendTypeInLibCall(Type *Ty,
                                                        bool IsSigned) const {
-  if ((ABI.IsN32() || ABI.IsN64()) && Type == MVT::i32)
-      return true;
+  if ((ABI.IsN32() || ABI.IsN64()) && Ty->isIntegerTy(32))
+    return true;
 
   return IsSigned;
 }

llvm/lib/Target/Mips/MipsISelLowering.h

@@ -623,7 +623,7 @@ class TargetRegisterClass;
     SDValue LowerInterruptReturn(SmallVectorImpl<SDValue> &RetOps,
                                  const SDLoc &DL, SelectionDAG &DAG) const;
 
-    bool shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const override;
+    bool shouldSignExtendTypeInLibCall(Type *Ty, bool IsSigned) const override;
 
     // Inline asm support
     ConstraintType getConstraintType(StringRef Constraint) const override;

llvm/lib/Target/PowerPC/PPCISelLowering.cpp

@@ -18828,15 +18828,15 @@ SDValue PPCTargetLowering::lowerToLibCall(const char *LibCallName, SDValue Op,
   Type *RetTy = RetVT.getTypeForEVT(*DAG.getContext());
   SDValue Callee =
       DAG.getExternalSymbol(LibCallName, TLI.getPointerTy(DAG.getDataLayout()));
-  bool SignExtend = TLI.shouldSignExtendTypeInLibCall(RetVT, false);
+  bool SignExtend = TLI.shouldSignExtendTypeInLibCall(RetTy, false);
   TargetLowering::ArgListTy Args;
   TargetLowering::ArgListEntry Entry;
   for (const SDValue &N : Op->op_values()) {
     EVT ArgVT = N.getValueType();
     Type *ArgTy = ArgVT.getTypeForEVT(*DAG.getContext());
     Entry.Node = N;
     Entry.Ty = ArgTy;
-    Entry.IsSExt = TLI.shouldSignExtendTypeInLibCall(ArgVT, SignExtend);
+    Entry.IsSExt = TLI.shouldSignExtendTypeInLibCall(ArgTy, SignExtend);
     Entry.IsZExt = !Entry.IsSExt;
     Args.push_back(Entry);
   }

llvm/lib/Target/RISCV/RISCVISelLowering.cpp

@@ -21299,8 +21299,9 @@ bool RISCVTargetLowering::shouldExtendTypeInLibCall(EVT Type) const {
   return true;
 }
 
-bool RISCVTargetLowering::shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const {
-  if (Subtarget.is64Bit() && Type == MVT::i32)
+bool RISCVTargetLowering::shouldSignExtendTypeInLibCall(Type *Ty,
+                                                        bool IsSigned) const {
+  if (Subtarget.is64Bit() && Ty->isIntegerTy(32))
     return true;
 
   return IsSigned;

llvm/lib/Target/RISCV/RISCVISelLowering.h

@@ -746,7 +746,7 @@ class RISCVTargetLowering : public TargetLowering {
   getExceptionSelectorRegister(const Constant *PersonalityFn) const override;
 
   bool shouldExtendTypeInLibCall(EVT Type) const override;
-  bool shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const override;
+  bool shouldSignExtendTypeInLibCall(Type *Ty, bool IsSigned) const override;
 
   /// Returns the register with the specified architectural or ABI name. This
   /// method is necessary to lower the llvm.read_register.* and