Merge llvm-project main llvmorg-14-init-13186-g0c553cc1af2e

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvmorg-14-init-13186-g0c553cc1af2e.

PR:		261742
MFC after:	2 weeks

(cherry picked from commit 0eae32dcef82f6f06de6419a0d623d7def0cc8f6)

1 files changed, 19 insertions, 31 deletions

diff --git a/contrib/llvm-project/clang/lib/CodeGen/CGClass.cpp b/contrib/llvm-project/clang/lib/CodeGen/CGClass.cpp
index 0df64d4d5d26..8f99ff0d50ff 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/CGClass.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/CGClass.cpp
@@ -127,18 +127,18 @@ CodeGenModule::getDynamicOffsetAlignment(CharUnits actualBaseAlign,
 
 Address CodeGenFunction::LoadCXXThisAddress() {
   assert(CurFuncDecl && "loading 'this' without a func declaration?");
-  assert(isa<CXXMethodDecl>(CurFuncDecl));
+  auto *MD = cast<CXXMethodDecl>(CurFuncDecl);
 
   // Lazily compute CXXThisAlignment.
   if (CXXThisAlignment.isZero()) {
     // Just use the best known alignment for the parent.
     // TODO: if we're currently emitting a complete-object ctor/dtor,
     // we can always use the complete-object alignment.
-    auto RD = cast<CXXMethodDecl>(CurFuncDecl)->getParent();
-    CXXThisAlignment = CGM.getClassPointerAlignment(RD);
+    CXXThisAlignment = CGM.getClassPointerAlignment(MD->getParent());
   }
 
-  return Address(LoadCXXThis(), CXXThisAlignment);
+  llvm::Type *Ty = ConvertType(MD->getThisType()->getPointeeType());
+  return Address(LoadCXXThis(), Ty, CXXThisAlignment);
 }
 
 /// Emit the address of a field using a member data pointer.
@@ -286,7 +286,7 @@ ApplyNonVirtualAndVirtualOffset(CodeGenFunction &CGF, Address addr,
   }
   alignment = alignment.alignmentAtOffset(nonVirtualOffset);
 
-  return Address(ptr, alignment);
+  return Address(ptr, CGF.Int8Ty, alignment);
 }
 
 Address CodeGenFunction::GetAddressOfBaseClass(
@@ -326,9 +326,9 @@ Address CodeGenFunction::GetAddressOfBaseClass(
   }
 
   // Get the base pointer type.
+  llvm::Type *BaseValueTy = ConvertType((PathEnd[-1])->getType());
   llvm::Type *BasePtrTy =
-      ConvertType((PathEnd[-1])->getType())
-          ->getPointerTo(Value.getType()->getPointerAddressSpace());
+      BaseValueTy->getPointerTo(Value.getType()->getPointerAddressSpace());
 
   QualType DerivedTy = getContext().getRecordType(Derived);
   CharUnits DerivedAlign = CGM.getClassPointerAlignment(Derived);
@@ -342,7 +342,7 @@ Address CodeGenFunction::GetAddressOfBaseClass(
       EmitTypeCheck(TCK_Upcast, Loc, Value.getPointer(),
                     DerivedTy, DerivedAlign, SkippedChecks);
     }
-    return Builder.CreateBitCast(Value, BasePtrTy);
+    return Builder.CreateElementBitCast(Value, BaseValueTy);
   }
 
   llvm::BasicBlock *origBB = nullptr;
@@ -379,7 +379,7 @@ Address CodeGenFunction::GetAddressOfBaseClass(
                                           VirtualOffset, Derived, VBase);
 
   // Cast to the destination type.
-  Value = Builder.CreateBitCast(Value, BasePtrTy);
+  Value = Builder.CreateElementBitCast(Value, BaseValueTy);
 
   // Build a phi if we needed a null check.
   if (NullCheckValue) {
@@ -406,16 +406,16 @@ CodeGenFunction::GetAddressOfDerivedClass(Address BaseAddr,
 
   QualType DerivedTy =
     getContext().getCanonicalType(getContext().getTagDeclType(Derived));
-  unsigned AddrSpace =
-    BaseAddr.getPointer()->getType()->getPointerAddressSpace();
-  llvm::Type *DerivedPtrTy = ConvertType(DerivedTy)->getPointerTo(AddrSpace);
+  unsigned AddrSpace = BaseAddr.getAddressSpace();
+  llvm::Type *DerivedValueTy = ConvertType(DerivedTy);
+  llvm::Type *DerivedPtrTy = DerivedValueTy->getPointerTo(AddrSpace);
 
   llvm::Value *NonVirtualOffset =
     CGM.GetNonVirtualBaseClassOffset(Derived, PathBegin, PathEnd);
 
   if (!NonVirtualOffset) {
     // No offset, we can just cast back.
-    return Builder.CreateBitCast(BaseAddr, DerivedPtrTy);
+    return Builder.CreateElementBitCast(BaseAddr, DerivedValueTy);
   }
 
   llvm::BasicBlock *CastNull = nullptr;
@@ -453,7 +453,7 @@ CodeGenFunction::GetAddressOfDerivedClass(Address BaseAddr,
     Value = PHI;
   }
 
-  return Address(Value, CGM.getClassPointerAlignment(Derived));
+  return Address(Value, DerivedValueTy, CGM.getClassPointerAlignment(Derived));
 }
 
 llvm::Value *CodeGenFunction::GetVTTParameter(GlobalDecl GD,
@@ -996,16 +996,8 @@ namespace {
 
   private:
     void emitMemcpyIR(Address DestPtr, Address SrcPtr, CharUnits Size) {
-      llvm::PointerType *DPT = DestPtr.getType();
-      llvm::Type *DBP =
-        llvm::Type::getInt8PtrTy(CGF.getLLVMContext(), DPT->getAddressSpace());
-      DestPtr = CGF.Builder.CreateBitCast(DestPtr, DBP);
-
-      llvm::PointerType *SPT = SrcPtr.getType();
-      llvm::Type *SBP =
-        llvm::Type::getInt8PtrTy(CGF.getLLVMContext(), SPT->getAddressSpace());
-      SrcPtr = CGF.Builder.CreateBitCast(SrcPtr, SBP);
-
+      DestPtr = CGF.Builder.CreateElementBitCast(DestPtr, CGF.Int8Ty);
+      SrcPtr = CGF.Builder.CreateElementBitCast(SrcPtr, CGF.Int8Ty);
       CGF.Builder.CreateMemCpy(DestPtr, SrcPtr, Size.getQuantity());
     }
 
@@ -2068,8 +2060,8 @@ void CodeGenFunction::EmitCXXConstructorCall(const CXXConstructorDecl *D,
 
   if (SlotAS != ThisAS) {
     unsigned TargetThisAS = getContext().getTargetAddressSpace(ThisAS);
-    llvm::Type *NewType =
-        ThisPtr->getType()->getPointerElementType()->getPointerTo(TargetThisAS);
+    llvm::Type *NewType = llvm::PointerType::getWithSamePointeeType(
+        This.getType(), TargetThisAS);
     ThisPtr = getTargetHooks().performAddrSpaceCast(*this, This.getPointer(),
                                                     ThisAS, SlotAS, NewType);
   }
@@ -2507,9 +2499,6 @@ void CodeGenFunction::InitializeVTablePointer(const VPtr &Vptr) {
 
   // Apply the offsets.
   Address VTableField = LoadCXXThisAddress();
-  unsigned ThisAddrSpace =
-      VTableField.getPointer()->getType()->getPointerAddressSpace();
-
   if (!NonVirtualOffset.isZero() || VirtualOffset)
     VTableField = ApplyNonVirtualAndVirtualOffset(
         *this, VTableField, NonVirtualOffset, VirtualOffset, Vptr.VTableClass,
@@ -2525,8 +2514,7 @@ void CodeGenFunction::InitializeVTablePointer(const VPtr &Vptr) {
           ->getPointerTo(GlobalsAS);
   // vtable field is is derived from `this` pointer, therefore they should be in
   // the same addr space. Note that this might not be LLVM address space 0.
-  VTableField = Builder.CreateBitCast(VTableField,
-                                      VTablePtrTy->getPointerTo(ThisAddrSpace));
+  VTableField = Builder.CreateElementBitCast(VTableField, VTablePtrTy);
   VTableAddressPoint = Builder.CreateBitCast(VTableAddressPoint, VTablePtrTy);
 
   llvm::StoreInst *Store = Builder.CreateStore(VTableAddressPoint, VTableField);