[llvm] [RFC][RISCV] Support the large code model. (PR #70308)

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``````````bash
git-clang-format --diff ec6da0652282d29569faa628d2180909fa588906 c30d948788ae8aeaa246e6effb7b17b454f0d691 -- llvm/lib/Target/RISCV/RISCVConstantPoolValue.cpp llvm/lib/Target/RISCV/RISCVConstantPoolValue.h llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp llvm/lib/Target/RISCV/RISCVISelLowering.cpp llvm/lib/Target/RISCV/RISCVTargetObjectFile.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp b/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
index 26e5e63db3..157703c5ed 100644
--- a/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
+++ b/llvm/lib/Target/RISCV/RISCVAsmPrinter.cpp
@@ -1002,8 +1002,8 @@ void RISCVAsmPrinter::emitMachineConstantPoolValue(
     MCSym = GetExternalSymbolSymbol(Sym);
   }
 
-  const MCExpr *Expr = MCSymbolRefExpr::create(
-      MCSym, MCSymbolRefExpr::VK_None, OutContext);
+  const MCExpr *Expr =
+      MCSymbolRefExpr::create(MCSym, MCSymbolRefExpr::VK_None, OutContext);
   uint64_t Size = getDataLayout().getTypeAllocSize(RCPV->getType());
   OutStreamer->emitValue(Expr, Size);
 }
diff --git a/llvm/lib/Target/RISCV/RISCVConstantPoolValue.cpp b/llvm/lib/Target/RISCV/RISCVConstantPoolValue.cpp
index c47ad35d18..e548e88fff 100644
--- a/llvm/lib/Target/RISCV/RISCVConstantPoolValue.cpp
+++ b/llvm/lib/Target/RISCV/RISCVConstantPoolValue.cpp
@@ -21,12 +21,12 @@
 
 using namespace llvm;
 
-RISCVConstantPoolValue::RISCVConstantPoolValue(
-    LLVMContext &C, RISCVCP::RISCVCPKind Kind)
+RISCVConstantPoolValue::RISCVConstantPoolValue(LLVMContext &C,
+                                               RISCVCP::RISCVCPKind Kind)
     : MachineConstantPoolValue((Type *)Type::getInt64Ty(C)), Kind(Kind) {}
 
-RISCVConstantPoolValue::RISCVConstantPoolValue(
-    Type *Ty, RISCVCP::RISCVCPKind Kind)
+RISCVConstantPoolValue::RISCVConstantPoolValue(Type *Ty,
+                                               RISCVCP::RISCVCPKind Kind)
     : MachineConstantPoolValue(Ty), Kind(Kind) {}
 
 int RISCVConstantPoolValue::getExistingMachineCPValue(MachineConstantPool *CP,
@@ -73,12 +73,11 @@ const BlockAddress *RISCVConstantPoolConstant::getBlockAddress() const {
   return dyn_cast_or_null<BlockAddress>(CVal);
 }
 
-RISCVConstantPoolSymbol::RISCVConstantPoolSymbol(
-    LLVMContext &C, StringRef s)
+RISCVConstantPoolSymbol::RISCVConstantPoolSymbol(LLVMContext &C, StringRef s)
     : RISCVConstantPoolValue(C, RISCVCP::ExtSymbol), S(s) {}
 
-RISCVConstantPoolSymbol *
-RISCVConstantPoolSymbol::Create(LLVMContext &C, StringRef s) {
+RISCVConstantPoolSymbol *RISCVConstantPoolSymbol::Create(LLVMContext &C,
+                                                         StringRef s) {
   return new RISCVConstantPoolSymbol(C, s);
 }
 
@@ -91,6 +90,4 @@ void RISCVConstantPoolSymbol::addSelectionDAGCSEId(FoldingSetNodeID &ID) {
   ID.AddString(S);
 }
 
-void RISCVConstantPoolSymbol::print(raw_ostream &O) const {
-  O << S;
-}
+void RISCVConstantPoolSymbol::print(raw_ostream &O) const { O << S; }
diff --git a/llvm/lib/Target/RISCV/RISCVConstantPoolValue.h b/llvm/lib/Target/RISCV/RISCVConstantPoolValue.h
index 901e09bee2..ca6c714e32 100644
--- a/llvm/lib/Target/RISCV/RISCVConstantPoolValue.h
+++ b/llvm/lib/Target/RISCV/RISCVConstantPoolValue.h
@@ -115,9 +115,7 @@ public:
 
   void print(raw_ostream &O) const override;
 
-  bool equals(const RISCVConstantPoolSymbol *A) const {
-    return S == A->S;
-  }
+  bool equals(const RISCVConstantPoolSymbol *A) const { return S == A->S; }
   static bool classof(const RISCVConstantPoolValue *RCPV) {
     return RCPV->isExtSymbol();
   }
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 95d42ed792..0572dea571 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -6456,8 +6456,8 @@ static SDValue getLargeAddr(NodeTy *N, SDLoc DL, EVT Ty, SelectionDAG &DAG) {
         Ty, DL, DAG.getEntryNode(), LC,
         MachinePointerInfo::getConstantPool(DAG.getMachineFunction()));
   } else if (ExternalSymbolSDNode *S = dyn_cast<ExternalSymbolSDNode>(N)) {
-    RISCVConstantPoolSymbol *CPV = RISCVConstantPoolSymbol::Create(
-        *DAG.getContext(), S->getSymbol());
+    RISCVConstantPoolSymbol *CPV =
+        RISCVConstantPoolSymbol::Create(*DAG.getContext(), S->getSymbol());
     SDValue CPAddr = DAG.getTargetConstantPool(CPV, Ty, Align(8));
     SDValue LC = DAG.getNode(RISCVISD::LLA, DL, Ty, CPAddr);
     return DAG.getLoad(

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https://github.com/llvm/llvm-project/pull/70308