IRGen: Address llvm::InsertPosition ctor deprecation

See llvm/llvm-project#102608.

Author: AnthonyLatsis

lib/IRGen/GenDecl.cpp

@@ -5933,9 +5933,8 @@ void IRGenModule::emitExtension(ExtensionDecl *ext) {
 Address IRGenFunction::createAlloca(llvm::Type *type,
                                     Alignment alignment,
                                     const llvm::Twine &name) {
-  llvm::AllocaInst *alloca =
-      new llvm::AllocaInst(type, IGM.DataLayout.getAllocaAddrSpace(), name,
-                           AllocaIP);
+  llvm::AllocaInst *alloca = new llvm::AllocaInst(
+      type, IGM.DataLayout.getAllocaAddrSpace(), name, AllocaIP->getIterator());
   alloca->setAlignment(llvm::MaybeAlign(alignment.getValue()).valueOrOne());
   return Address(alloca, type, alignment);
 }
@@ -5945,9 +5944,10 @@ Address IRGenFunction::createAlloca(llvm::Type *type,
                                     llvm::Value *ArraySize,
                                     Alignment alignment,
                                     const llvm::Twine &name) {
-  llvm::AllocaInst *alloca = new llvm::AllocaInst(
-      type, IGM.DataLayout.getAllocaAddrSpace(), ArraySize,
-      llvm::MaybeAlign(alignment.getValue()).valueOrOne(), name, AllocaIP);
+  llvm::AllocaInst *alloca =
+      new llvm::AllocaInst(type, IGM.DataLayout.getAllocaAddrSpace(), ArraySize,
+                           llvm::MaybeAlign(alignment.getValue()).valueOrOne(),
+                           name, AllocaIP->getIterator());
   return Address(alloca, type, alignment);
 }
 

lib/IRGen/IRGenDebugInfo.cpp

@@ -3706,10 +3706,11 @@ struct DbgIntrinsicEmitter {
                           const llvm::DILocation *DL,
                           llvm::Instruction *InsertBefore) {
     if (ForceDbgDeclare == AddrDbgInstrKind::DbgDeclare)
-      return DIBuilder.insertDeclare(Addr, VarInfo, Expr, DL, InsertBefore);
+      return DIBuilder.insertDeclare(Addr, VarInfo, Expr, DL,
+                                     InsertBefore->getIterator());
     Expr = llvm::DIExpression::append(Expr, llvm::dwarf::DW_OP_deref);
     return DIBuilder.insertDbgValueIntrinsic(Addr, VarInfo, Expr, DL,
-                                            InsertBefore);
+                                             InsertBefore->getIterator());
   }
 
   llvm::DbgInstPtr insert(llvm::Value *Addr, llvm::DILocalVariable *VarInfo,

lib/IRGen/IRGenSIL.cpp

@@ -823,7 +823,7 @@ class IRGenSILFunction :
           if (DVI->getParent() == BB)
             IGM.DebugInfo->getBuilder().insertDbgValueIntrinsic(
                 DVI->getValue(), DVI->getVariable(), DVI->getExpression(),
-                DVI->getDebugLoc(), &*CurBB->getFirstInsertionPt());
+                DVI->getDebugLoc(), CurBB->getFirstInsertionPt());
       }
     }
   }

lib/LLVMPasses/LLVMMergeFunctions.cpp

@@ -1046,8 +1046,9 @@ void SwiftMergeFunctions::replaceCallWithAddedPtrAuth(CallInst *origCall,
     copiedArgs.push_back(op);
   }
 
-  auto *newCall = CallInst::Create(origCall->getFunctionType(),
-    newCallee, copiedArgs, bundles, origCall->getName(), origCall);
+  auto *newCall =
+      CallInst::Create(origCall->getFunctionType(), newCallee, copiedArgs,
+                       bundles, origCall->getName(), origCall->getIterator());
   newCall->setAttributes(origCall->getAttributes());
   newCall->setTailCallKind(origCall->getTailCallKind());
   newCall->setCallingConv(origCall->getCallingConv());