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[CGBuilder] Remove CreateBitCast() method 

Use CreateElementBitCast() instead, or don't work on Address
where not necessary.
This commit is contained in:
Nikita Popov 2022-02-14 14:18:04 +01:00
parent 76032b0e3f
commit f208644ed3
14 changed files with 106 additions and 125 deletions
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30
clang/lib/CodeGen/CGBlocks.cpp
View File

@ -1265,8 +1265,7 @@ Address CodeGenFunction::GetAddrOfBlockDecl(const VarDecl *variable) {
auto &byrefInfo = getBlockByrefInfo(variable);
addr = Address(Builder.CreateLoad(addr), byrefInfo.ByrefAlignment);
auto byrefPointerType = llvm::PointerType::get(byrefInfo.Type, 0);
addr = Builder.CreateBitCast(addr, byrefPointerType, "byref.addr");
addr = Builder.CreateElementBitCast(addr, byrefInfo.Type, "byref.addr");
addr = emitBlockByrefAddress(addr, byrefInfo, /*follow*/ true,
variable->getName());
@ -1940,15 +1939,15 @@ CodeGenFunction::GenerateCopyHelperFunction(const CGBlockInfo &blockInfo) {
StartFunction(GlobalDecl(), ReturnTy, Fn, FI, args);
auto AL = ApplyDebugLocation::CreateArtificial(*this);
llvm::Type *structPtrTy = blockInfo.StructureType->getPointerTo();
Address src = GetAddrOfLocalVar(&SrcDecl);
src = Address(Builder.CreateLoad(src), blockInfo.BlockAlign);
src = Builder.CreateBitCast(src, structPtrTy, "block.source");
src = Builder.CreateElementBitCast(src, blockInfo.StructureType,
"block.source");
Address dst = GetAddrOfLocalVar(&DstDecl);
dst = Address(Builder.CreateLoad(dst), blockInfo.BlockAlign);
dst = Builder.CreateBitCast(dst, structPtrTy, "block.dest");
dst =
Builder.CreateElementBitCast(dst, blockInfo.StructureType, "block.dest");
for (auto &capture : blockInfo.SortedCaptures) {
if (capture.isConstantOrTrivial())
@ -2130,11 +2129,9 @@ CodeGenFunction::GenerateDestroyHelperFunction(const CGBlockInfo &blockInfo) {
auto AL = ApplyDebugLocation::CreateArtificial(*this);
llvm::Type *structPtrTy = blockInfo.StructureType->getPointerTo();
Address src = GetAddrOfLocalVar(&SrcDecl);
src = Address(Builder.CreateLoad(src), blockInfo.BlockAlign);
src = Builder.CreateBitCast(src, structPtrTy, "block");
src = Builder.CreateElementBitCast(src, blockInfo.StructureType, "block");
CodeGenFunction::RunCleanupsScope cleanups(*this);
@ -2171,9 +2168,9 @@ public:
void emitCopy(CodeGenFunction &CGF, Address destField,
Address srcField) override {
destField = CGF.Builder.CreateBitCast(destField, CGF.VoidPtrTy);
destField = CGF.Builder.CreateElementBitCast(destField, CGF.Int8Ty);
srcField = CGF.Builder.CreateBitCast(srcField, CGF.VoidPtrPtrTy);
srcField = CGF.Builder.CreateElementBitCast(srcField, CGF.Int8PtrTy);
llvm::Value *srcValue = CGF.Builder.CreateLoad(srcField);
unsigned flags = (Flags | BLOCK_BYREF_CALLER).getBitMask();
@ -2186,7 +2183,7 @@ public:
}
void emitDispose(CodeGenFunction &CGF, Address field) override {
field = CGF.Builder.CreateBitCast(field, CGF.Int8PtrTy->getPointerTo(0));
field = CGF.Builder.CreateElementBitCast(field, CGF.Int8PtrTy);
llvm::Value *value = CGF.Builder.CreateLoad(field);
CGF.BuildBlockRelease(value, Flags | BLOCK_BYREF_CALLER, false);
@ -2376,13 +2373,11 @@ generateByrefCopyHelper(CodeGenFunction &CGF, const BlockByrefInfo &byrefInfo,
auto AL = ApplyDebugLocation::CreateArtificial(CGF);
if (generator.needsCopy()) {
llvm::Type *byrefPtrType = byrefInfo.Type->getPointerTo(0);
// dst->x
Address destField = CGF.GetAddrOfLocalVar(&Dst);
destField = Address(CGF.Builder.CreateLoad(destField),
byrefInfo.ByrefAlignment);
destField = CGF.Builder.CreateBitCast(destField, byrefPtrType);
destField = CGF.Builder.CreateElementBitCast(destField, byrefInfo.Type);
destField = CGF.emitBlockByrefAddress(destField, byrefInfo, false,
"dest-object");
@ -2390,7 +2385,7 @@ generateByrefCopyHelper(CodeGenFunction &CGF, const BlockByrefInfo &byrefInfo,
Address srcField = CGF.GetAddrOfLocalVar(&Src);
srcField = Address(CGF.Builder.CreateLoad(srcField),
byrefInfo.ByrefAlignment);
srcField = CGF.Builder.CreateBitCast(srcField, byrefPtrType);
srcField = CGF.Builder.CreateElementBitCast(srcField, byrefInfo.Type);
srcField = CGF.emitBlockByrefAddress(srcField, byrefInfo, false,
"src-object");
@ -2447,8 +2442,7 @@ generateByrefDisposeHelper(CodeGenFunction &CGF,
if (generator.needsDispose()) {
Address addr = CGF.GetAddrOfLocalVar(&Src);
addr = Address(CGF.Builder.CreateLoad(addr), byrefInfo.ByrefAlignment);
auto byrefPtrType = byrefInfo.Type->getPointerTo(0);
addr = CGF.Builder.CreateBitCast(addr, byrefPtrType);
addr = CGF.Builder.CreateElementBitCast(addr, byrefInfo.Type);
addr = CGF.emitBlockByrefAddress(addr, byrefInfo, false, "object");
generator.emitDispose(CGF, addr);

7
clang/lib/CodeGen/CGBuilder.h
View File

@ -151,13 +151,6 @@ public:
Ordering, SSID);
}
using CGBuilderBaseTy::CreateBitCast;
Address CreateBitCast(Address Addr, llvm::Type *Ty,
const llvm::Twine &Name = "") {
return Address(CreateBitCast(Addr.getPointer(), Ty, Name),
Addr.getAlignment());
}
using CGBuilderBaseTy::CreateAddrSpaceCast;
Address CreateAddrSpaceCast(Address Addr, llvm::Type *Ty,
const llvm::Twine &Name = "") {

20
clang/lib/CodeGen/CGBuiltin.cpp
View File

@ -1800,8 +1800,8 @@ llvm::Function *CodeGenFunction::generateBuiltinOSLogHelperFunction(
Address Arg = GetAddrOfLocalVar(Args[I]);
Address Addr = Builder.CreateConstByteGEP(BufAddr, Offset, "argData");
Addr = Builder.CreateBitCast(Addr, Arg.getPointer()->getType(),
"argDataCast");
Addr =
Builder.CreateElementBitCast(Addr, Arg.getElementType(), "argDataCast");
Builder.CreateStore(Builder.CreateLoad(Arg), Addr);
Offset += Size;
++I;
@ -3838,7 +3838,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
// Call LLVM's EH setjmp, which is lightweight.
Function *F = CGM.getIntrinsic(Intrinsic::eh_sjlj_setjmp);
Buf = Builder.CreateBitCast(Buf, Int8PtrTy);
Buf = Builder.CreateElementBitCast(Buf, Int8Ty);
return RValue::get(Builder.CreateCall(F, Buf.getPointer()));
}
case Builtin::BI__builtin_longjmp: {
@ -4149,8 +4149,7 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID,
PtrTy->castAs<PointerType>()->getPointeeType().isVolatileQualified();
Address Ptr = EmitPointerWithAlignment(E->getArg(0));
unsigned AddrSpace = Ptr.getPointer()->getType()->getPointerAddressSpace();
Ptr = Builder.CreateBitCast(Ptr, Int8Ty->getPointerTo(AddrSpace));
Ptr = Builder.CreateElementBitCast(Ptr, Int8Ty);
Value *NewVal = Builder.getInt8(0);
Value *Order = EmitScalarExpr(E->getArg(1));
if (isa<llvm::ConstantInt>(Order)) {
@ -6919,8 +6918,7 @@ Value *CodeGenFunction::EmitCommonNeonBuiltinExpr(
case NEON::BI__builtin_neon_vld1_dup_v:
case NEON::BI__builtin_neon_vld1q_dup_v: {
Value *V = UndefValue::get(Ty);
Ty = llvm::PointerType::getUnqual(VTy->getElementType());
PtrOp0 = Builder.CreateBitCast(PtrOp0, Ty);
PtrOp0 = Builder.CreateElementBitCast(PtrOp0, VTy->getElementType());
LoadInst *Ld = Builder.CreateLoad(PtrOp0);
llvm::Constant *CI = ConstantInt::get(SizeTy, 0);
Ops[0] = Builder.CreateInsertElement(V, Ld, CI);
@ -7728,7 +7726,7 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
Value *Val = EmitScalarExpr(E->getArg(0));
Builder.CreateStore(Val, Tmp);
Address LdPtr = Builder.CreateBitCast(Tmp,llvm::PointerType::getUnqual(STy));
Address LdPtr = Builder.CreateElementBitCast(Tmp, STy);
Val = Builder.CreateLoad(LdPtr);
Value *Arg0 = Builder.CreateExtractValue(Val, 0);
@ -8149,8 +8147,8 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID,
case NEON::BI__builtin_neon_vst1_lane_v: {
Ops[1] = Builder.CreateBitCast(Ops[1], Ty);
Ops[1] = Builder.CreateExtractElement(Ops[1], Ops[2]);
Ty = llvm::PointerType::getUnqual(Ops[1]->getType());
auto St = Builder.CreateStore(Ops[1], Builder.CreateBitCast(PtrOp0, Ty));
auto St = Builder.CreateStore(
Ops[1], Builder.CreateElementBitCast(PtrOp0, Ops[1]->getType()));
return St;
}
case NEON::BI__builtin_neon_vtbl1_v:
@ -9711,7 +9709,7 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID,
Address Tmp = CreateMemTemp(E->getArg(0)->getType());
EmitAnyExprToMem(E->getArg(0), Tmp, Qualifiers(), /*init*/ true);
Tmp = Builder.CreateBitCast(Tmp, llvm::PointerType::getUnqual(STy));
Tmp = Builder.CreateElementBitCast(Tmp, STy);
llvm::Value *Val = Builder.CreateLoad(Tmp);
Value *Arg0 = Builder.CreateExtractValue(Val, 0);

5
clang/lib/CodeGen/CGCall.cpp
View File

@ -4839,13 +4839,10 @@ RValue CodeGenFunction::EmitCall(const CGFunctionInfo &CallInfo,
// Store the RValue into the argument struct.
Address Addr =
Builder.CreateStructGEP(ArgMemory, ArgInfo.getInAllocaFieldIndex());
unsigned AS = Addr.getType()->getPointerAddressSpace();
llvm::Type *MemType = ConvertTypeForMem(I->Ty)->getPointerTo(AS);
// There are some cases where a trivial bitcast is not avoidable. The
// definition of a type later in a translation unit may change it's type
// from {}* to (%struct.foo*)*.
if (Addr.getType() != MemType)
Addr = Builder.CreateBitCast(Addr, MemType);
Addr = Builder.CreateElementBitCast(Addr, ConvertTypeForMem(I->Ty));
I->copyInto(*this, Addr);
}
break;

4
clang/lib/CodeGen/CGClass.cpp
View File

@ -2332,8 +2332,8 @@ CodeGenFunction::EmitSynthesizedCXXCopyCtorCall(const CXXConstructorDecl *D,
// Push the src ptr.
QualType QT = *(FPT->param_type_begin());
llvm::Type *t = CGM.getTypes().ConvertType(QT);
Src = Builder.CreateBitCast(Src, t);
Args.add(RValue::get(Src.getPointer()), QT);
llvm::Value *SrcVal = Builder.CreateBitCast(Src.getPointer(), t);
Args.add(RValue::get(SrcVal), QT);
// Skip over first argument (Src).
EmitCallArgs(Args, FPT, drop_begin(E->arguments(), 1), E->getConstructor(),

21
clang/lib/CodeGen/CGDecl.cpp
View File

@ -1155,11 +1155,7 @@ static Address createUnnamedGlobalForMemcpyFrom(CodeGenModule &CGM,
llvm::Constant *Constant,
CharUnits Align) {
Address SrcPtr = CGM.createUnnamedGlobalFrom(D, Constant, Align);
llvm::Type *BP = llvm::PointerType::getInt8PtrTy(CGM.getLLVMContext(),
SrcPtr.getAddressSpace());
if (SrcPtr.getType() != BP)
SrcPtr = Builder.CreateBitCast(SrcPtr, BP);
return SrcPtr;
return Builder.CreateElementBitCast(SrcPtr, CGM.Int8Ty);
}
static void emitStoresForConstant(CodeGenModule &CGM, const VarDecl &D,
@ -1908,10 +1904,9 @@ void CodeGenFunction::EmitAutoVarInit(const AutoVarEmission &emission) {
return EmitStoreThroughLValue(RValue::get(constant), lv, true);
}
llvm::Type *BP = CGM.Int8Ty->getPointerTo(Loc.getAddressSpace());
emitStoresForConstant(
CGM, D, (Loc.getType() == BP) ? Loc : Builder.CreateBitCast(Loc, BP),
type.isVolatileQualified(), Builder, constant, /*IsAutoInit=*/false);
emitStoresForConstant(CGM, D, Builder.CreateElementBitCast(Loc, CGM.Int8Ty),
type.isVolatileQualified(), Builder, constant,
/*IsAutoInit=*/false);
}
/// Emit an expression as an initializer for an object (variable, field, etc.)
@ -2462,12 +2457,10 @@ void CodeGenFunction::EmitParmDecl(const VarDecl &D, ParamValue Arg,
bool IsScalar = hasScalarEvaluationKind(Ty);
// If we already have a pointer to the argument, reuse the input pointer.
if (Arg.isIndirect()) {
DeclPtr = Arg.getIndirectAddress();
// If we have a prettier pointer type at this point, bitcast to that.
unsigned AS = DeclPtr.getType()->getAddressSpace();
llvm::Type *IRTy = ConvertTypeForMem(Ty)->getPointerTo(AS);
if (DeclPtr.getType() != IRTy)
DeclPtr = Builder.CreateBitCast(DeclPtr, IRTy, D.getName());
DeclPtr = Arg.getIndirectAddress();
DeclPtr = Builder.CreateElementBitCast(DeclPtr, ConvertTypeForMem(Ty),
D.getName());
// Indirect argument is in alloca address space, which may be different
// from the default address space.
auto AllocaAS = CGM.getASTAllocaAddressSpace();

4
clang/lib/CodeGen/CGExpr.cpp
View File

@ -3814,7 +3814,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E,
// interfaces, so we can't rely on GEP to do this scaling
// correctly, so we need to cast to i8*. FIXME: is this actually
// true? A lot of other things in the fragile ABI would break...
llvm::Type *OrigBaseTy = Addr.getType();
llvm::Type *OrigBaseElemTy = Addr.getElementType();
Addr = Builder.CreateElementBitCast(Addr, Int8Ty);
// Do the GEP.
@ -3826,7 +3826,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E,
Addr = Address(EltPtr, Addr.getElementType(), EltAlign);
// Cast back.
Addr = Builder.CreateBitCast(Addr, OrigBaseTy);
Addr = Builder.CreateElementBitCast(Addr, OrigBaseElemTy);
} else if (const Expr *Array = isSimpleArrayDecayOperand(E->getBase())) {
// If this is A[i] where A is an array, the frontend will have decayed the
// base to be a ArrayToPointerDecay implicit cast. While correct, it is

6
clang/lib/CodeGen/CGExprCXX.cpp
View File

@ -1736,13 +1736,14 @@ llvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) {
EmitNewInitializer(*this, E, allocType, elementTy, result, numElements,
allocSizeWithoutCookie);
llvm::Value *resultPtr = result.getPointer();
if (E->isArray()) {
// NewPtr is a pointer to the base element type. If we're
// allocating an array of arrays, we'll need to cast back to the
// array pointer type.
llvm::Type *resultType = ConvertTypeForMem(E->getType());
if (result.getType() != resultType)
result = Builder.CreateBitCast(result, resultType);
if (resultPtr->getType() != resultType)
resultPtr = Builder.CreateBitCast(resultPtr, resultType);
}
// Deactivate the 'operator delete' cleanup if we finished
@ -1752,7 +1753,6 @@ llvm::Value *CodeGenFunction::EmitCXXNewExpr(const CXXNewExpr *E) {
cleanupDominator->eraseFromParent();
}
llvm::Value *resultPtr = result.getPointer();
if (nullCheck) {
conditional.end(*this);

30
clang/lib/CodeGen/CGObjC.cpp
View File

@ -92,8 +92,9 @@ CodeGenFunction::EmitObjCBoxedExpr(const ObjCBoxedExpr *E) {
// and cast value to correct type
Address Temporary = CreateMemTemp(SubExpr->getType());
EmitAnyExprToMem(SubExpr, Temporary, Qualifiers(), /*isInit*/ true);
Address BitCast = Builder.CreateBitCast(Temporary, ConvertType(ArgQT));
Args.add(RValue::get(BitCast.getPointer()), ArgQT);
llvm::Value *BitCast =
Builder.CreateBitCast(Temporary.getPointer(), ConvertType(ArgQT));
Args.add(RValue::get(BitCast), ArgQT);
// Create char array to store type encoding
std::string Str;
@ -816,19 +817,20 @@ static void emitStructGetterCall(CodeGenFunction &CGF, ObjCIvarDecl *ivar,
bool isAtomic, bool hasStrong) {
ASTContext &Context = CGF.getContext();
Address src =
llvm::Value *src =
CGF.EmitLValueForIvar(CGF.TypeOfSelfObject(), CGF.LoadObjCSelf(), ivar, 0)
.getAddress(CGF);
.getPointer(CGF);
// objc_copyStruct (ReturnValue, &structIvar,
// sizeof (Type of Ivar), isAtomic, false);
CallArgList args;
Address dest = CGF.Builder.CreateBitCast(CGF.ReturnValue, CGF.VoidPtrTy);
args.add(RValue::get(dest.getPointer()), Context.VoidPtrTy);
llvm::Value *dest =
CGF.Builder.CreateBitCast(CGF.ReturnValue.getPointer(), CGF.VoidPtrTy);
args.add(RValue::get(dest), Context.VoidPtrTy);
src = CGF.Builder.CreateBitCast(src, CGF.VoidPtrTy);
args.add(RValue::get(src.getPointer()), Context.VoidPtrTy);
args.add(RValue::get(src), Context.VoidPtrTy);
CharUnits size = CGF.getContext().getTypeSizeInChars(ivar->getType());
args.add(RValue::get(CGF.CGM.getSize(size)), Context.getSizeType());
@ -1149,11 +1151,10 @@ CodeGenFunction::generateObjCGetterBody(const ObjCImplementationDecl *classImpl,
// types, so there's no point in trying to pick a prettier type.
uint64_t ivarSize = getContext().toBits(strategy.getIvarSize());
llvm::Type *bitcastType = llvm::Type::getIntNTy(getLLVMContext(), ivarSize);
bitcastType = bitcastType->getPointerTo(); // addrspace 0 okay
// Perform an atomic load. This does not impose ordering constraints.
Address ivarAddr = LV.getAddress(*this);
ivarAddr = Builder.CreateBitCast(ivarAddr, bitcastType);
ivarAddr = Builder.CreateElementBitCast(ivarAddr, bitcastType);
llvm::LoadInst *load = Builder.CreateLoad(ivarAddr, "load");
load->setAtomic(llvm::AtomicOrdering::Unordered);
@ -1164,12 +1165,11 @@ CodeGenFunction::generateObjCGetterBody(const ObjCImplementationDecl *classImpl,
uint64_t retTySize = CGM.getDataLayout().getTypeSizeInBits(retTy);
llvm::Value *ivarVal = load;
if (ivarSize > retTySize) {
llvm::Type *newTy = llvm::Type::getIntNTy(getLLVMContext(), retTySize);
ivarVal = Builder.CreateTrunc(load, newTy);
bitcastType = newTy->getPointerTo();
bitcastType = llvm::Type::getIntNTy(getLLVMContext(), retTySize);
ivarVal = Builder.CreateTrunc(load, bitcastType);
}
Builder.CreateStore(ivarVal,
Builder.CreateBitCast(ReturnValue, bitcastType));
Builder.CreateElementBitCast(ReturnValue, bitcastType));
// Make sure we don't do an autorelease.
AutoreleaseResult = false;
@ -2156,7 +2156,7 @@ static llvm::Value *emitARCLoadOperation(CodeGenFunction &CGF, Address addr,
// Cast the argument to 'id*'.
llvm::Type *origType = addr.getElementType();
addr = CGF.Builder.CreateBitCast(addr, CGF.Int8PtrPtrTy);
addr = CGF.Builder.CreateElementBitCast(addr, CGF.Int8PtrTy);
// Call the function.
llvm::Value *result = CGF.EmitNounwindRuntimeCall(fn, addr.getPointer());
@ -2610,7 +2610,7 @@ void CodeGenFunction::EmitARCDestroyWeak(Address addr) {
fn = getARCIntrinsic(llvm::Intrinsic::objc_destroyWeak, CGM);
// Cast the argument to 'id*'.
addr = Builder.CreateBitCast(addr, Int8PtrPtrTy);
addr = Builder.CreateElementBitCast(addr, Int8PtrTy);
EmitNounwindRuntimeCall(fn, addr.getPointer());
}

5
clang/lib/CodeGen/CGObjCGNU.cpp
View File

@ -318,8 +318,9 @@ protected:
return B.CreateBitCast(V, Ty);
}
Address EnforceType(CGBuilderTy &B, Address V, llvm::Type *Ty) {
if (V.getType() == Ty) return V;
return B.CreateBitCast(V, Ty);
if (V.getType() == Ty)
return V;
return B.CreateElementBitCast(V, Ty->getPointerElementType());
}
// Some zeros used for GEPs in lots of places.

59
clang/lib/CodeGen/CGObjCMac.cpp
View File

@ -4915,11 +4915,11 @@ void CGObjCMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
llvm::Value * CGObjCMac::EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF,
Address AddrWeakObj) {
llvm::Type* DestTy = AddrWeakObj.getElementType();
AddrWeakObj = CGF.Builder.CreateBitCast(AddrWeakObj,
ObjCTypes.PtrObjectPtrTy);
llvm::Value *AddrWeakObjVal = CGF.Builder.CreateBitCast(
AddrWeakObj.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *read_weak =
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcReadWeakFn(),
AddrWeakObj.getPointer(), "weakread");
AddrWeakObjVal, "weakread");
read_weak = CGF.Builder.CreateBitCast(read_weak, DestTy);
return read_weak;
}
@ -4938,8 +4938,9 @@ void CGObjCMac::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dstVal };
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignWeakFn(),
args, "weakassign");
}
@ -4959,8 +4960,9 @@ void CGObjCMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal};
if (!threadlocal)
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignGlobalFn(),
args, "globalassign");
@ -4985,8 +4987,9 @@ void CGObjCMac::EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer(), ivarOffset };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal, ivarOffset};
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignIvarFn(), args);
}
@ -5004,8 +5007,9 @@ void CGObjCMac::EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal};
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignStrongCastFn(),
args, "strongassign");
}
@ -5014,8 +5018,8 @@ void CGObjCMac::EmitGCMemmoveCollectable(CodeGen::CodeGenFunction &CGF,
Address DestPtr,
Address SrcPtr,
llvm::Value *size) {
SrcPtr = CGF.Builder.CreateBitCast(SrcPtr, ObjCTypes.Int8PtrTy);
DestPtr = CGF.Builder.CreateBitCast(DestPtr, ObjCTypes.Int8PtrTy);
SrcPtr = CGF.Builder.CreateElementBitCast(SrcPtr, CGF.Int8Ty);
DestPtr = CGF.Builder.CreateElementBitCast(DestPtr, CGF.Int8Ty);
llvm::Value *args[] = { DestPtr.getPointer(), SrcPtr.getPointer(), size };
CGF.EmitNounwindRuntimeCall(ObjCTypes.GcMemmoveCollectableFn(), args);
}
@ -7658,8 +7662,9 @@ void CGObjCNonFragileABIMac::EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer(), ivarOffset };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal, ivarOffset};
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignIvarFn(), args);
}
@ -7678,8 +7683,9 @@ void CGObjCNonFragileABIMac::EmitObjCStrongCastAssign(
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal};
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignStrongCastFn(),
args, "weakassign");
}
@ -7689,8 +7695,8 @@ void CGObjCNonFragileABIMac::EmitGCMemmoveCollectable(
Address DestPtr,
Address SrcPtr,
llvm::Value *Size) {
SrcPtr = CGF.Builder.CreateBitCast(SrcPtr, ObjCTypes.Int8PtrTy);
DestPtr = CGF.Builder.CreateBitCast(DestPtr, ObjCTypes.Int8PtrTy);
SrcPtr = CGF.Builder.CreateElementBitCast(SrcPtr, CGF.Int8Ty);
DestPtr = CGF.Builder.CreateElementBitCast(DestPtr, CGF.Int8Ty);
llvm::Value *args[] = { DestPtr.getPointer(), SrcPtr.getPointer(), Size };
CGF.EmitNounwindRuntimeCall(ObjCTypes.GcMemmoveCollectableFn(), args);
}
@ -7702,10 +7708,11 @@ llvm::Value * CGObjCNonFragileABIMac::EmitObjCWeakRead(
CodeGen::CodeGenFunction &CGF,
Address AddrWeakObj) {
llvm::Type *DestTy = AddrWeakObj.getElementType();
AddrWeakObj = CGF.Builder.CreateBitCast(AddrWeakObj, ObjCTypes.PtrObjectPtrTy);
llvm::Value *AddrWeakObjVal = CGF.Builder.CreateBitCast(
AddrWeakObj.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *read_weak =
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcReadWeakFn(),
AddrWeakObj.getPointer(), "weakread");
AddrWeakObjVal, "weakread");
read_weak = CGF.Builder.CreateBitCast(read_weak, DestTy);
return read_weak;
}
@ -7724,8 +7731,9 @@ void CGObjCNonFragileABIMac::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal};
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignWeakFn(),
args, "weakassign");
}
@ -7745,8 +7753,9 @@ void CGObjCNonFragileABIMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
src = CGF.Builder.CreateIntToPtr(src, ObjCTypes.Int8PtrTy);
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = { src, dst.getPointer() };
llvm::Value *dstVal =
CGF.Builder.CreateBitCast(dst.getPointer(), ObjCTypes.PtrObjectPtrTy);
llvm::Value *args[] = {src, dstVal};
if (!threadlocal)
CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignGlobalFn(),
args, "globalassign");

9
clang/lib/CodeGen/CGStmt.cpp
View File

@ -2121,10 +2121,9 @@ std::pair<llvm::Value*, llvm::Type *> CodeGenFunction::EmitAsmInputLValue(
if ((Size <= 64 && llvm::isPowerOf2_64(Size)) ||
getTargetHooks().isScalarizableAsmOperand(*this, Ty)) {
Ty = llvm::IntegerType::get(getLLVMContext(), Size);
Ty = llvm::PointerType::getUnqual(Ty);
return {Builder.CreateLoad(
Builder.CreateBitCast(InputValue.getAddress(*this), Ty)),
return {Builder.CreateLoad(Builder.CreateElementBitCast(
InputValue.getAddress(*this), Ty)),
nullptr};
}
}
@ -2713,8 +2712,8 @@ void CodeGenFunction::EmitAsmStmt(const AsmStmt &S) {
// ResultTypeRequiresCast.size() elements of RegResults.
if ((i < ResultTypeRequiresCast.size()) && ResultTypeRequiresCast[i]) {
unsigned Size = getContext().getTypeSize(ResultRegQualTys[i]);
Address A = Builder.CreateBitCast(Dest.getAddress(*this),
ResultRegTypes[i]->getPointerTo());
Address A = Builder.CreateElementBitCast(Dest.getAddress(*this),
ResultRegTypes[i]);
if (getTargetHooks().isScalarizableAsmOperand(*this, TruncTy)) {
Builder.CreateStore(Tmp, A);
continue;

8
clang/lib/CodeGen/CGStmtOpenMP.cpp
View File

@ -6817,10 +6817,10 @@ void CodeGenFunction::EmitOMPUseDevicePtrClause(
// because it is always a void *. References are materialized in the
// privatization scope, so the initialization here disregards the fact
// the original variable is a reference.
QualType AddrQTy = getContext().getPointerType(
OrigVD->getType().getNonReferenceType());
llvm::Type *AddrTy = ConvertTypeForMem(AddrQTy);
Address InitAddr = Builder.CreateBitCast(InitAddrIt->second, AddrTy);
llvm::Type *Ty =
ConvertTypeForMem(OrigVD->getType().getNonReferenceType());
Address InitAddr =
Builder.CreateElementBitCast(InitAddrIt->second, Ty);
setAddrOfLocalVar(InitVD, InitAddr);
// Emit private declaration, it will be initialized by the value we

23
clang/lib/CodeGen/TargetInfo.cpp
View File

@ -1352,8 +1352,8 @@ void X86_32TargetCodeGenInfo::addReturnRegisterOutputs(
ResultTruncRegTypes.push_back(CoerceTy);
// Coerce the integer by bitcasting the return slot pointer.
ReturnSlot.setAddress(CGF.Builder.CreateBitCast(ReturnSlot.getAddress(CGF),
CoerceTy->getPointerTo()));
ReturnSlot.setAddress(
CGF.Builder.CreateElementBitCast(ReturnSlot.getAddress(CGF), CoerceTy));
ResultRegDests.push_back(ReturnSlot);
rewriteInputConstraintReferences(NumOutputs, 1, AsmString);
@ -8600,9 +8600,8 @@ Address HexagonABIInfo::EmitVAArgFromMemory(CodeGenFunction &CGF,
// Get the type of the argument from memory and bitcast
// overflow area pointer to the argument type.
llvm::Type *PTy = CGF.ConvertTypeForMem(Ty);
Address AddrTyped = CGF.Builder.CreateBitCast(
Address(__overflow_area_pointer, CharUnits::fromQuantity(Align)),
llvm::PointerType::getUnqual(PTy));
Address AddrTyped = CGF.Builder.CreateElementBitCast(
Address(__overflow_area_pointer, CharUnits::fromQuantity(Align)), PTy);
// Round up to the minimum stack alignment for varargs which is 4 bytes.
uint64_t Offset = llvm::alignTo(CGF.getContext().getTypeSize(Ty) / 8, 4);
@ -8621,9 +8620,8 @@ Address HexagonABIInfo::EmitVAArgForHexagon(CodeGenFunction &CGF,
QualType Ty) const {
// FIXME: Need to handle alignment
llvm::Type *BP = CGF.Int8PtrTy;
llvm::Type *BPP = CGF.Int8PtrPtrTy;
CGBuilderTy &Builder = CGF.Builder;
Address VAListAddrAsBPP = Builder.CreateBitCast(VAListAddr, BPP, "ap");
Address VAListAddrAsBPP = Builder.CreateElementBitCast(VAListAddr, BP, "ap");
llvm::Value *Addr = Builder.CreateLoad(VAListAddrAsBPP, "ap.cur");
// Handle address alignment for type alignment > 32 bits
uint64_t TyAlign = CGF.getContext().getTypeAlign(Ty) / 8;
@ -8634,9 +8632,8 @@ Address HexagonABIInfo::EmitVAArgForHexagon(CodeGenFunction &CGF,
AddrAsInt = Builder.CreateAnd(AddrAsInt, Builder.getInt32(~(TyAlign - 1)));
Addr = Builder.CreateIntToPtr(AddrAsInt, BP);
}
llvm::Type *PTy = llvm::PointerType::getUnqual(CGF.ConvertType(Ty));
Address AddrTyped = Builder.CreateBitCast(
Address(Addr, CharUnits::fromQuantity(TyAlign)), PTy);
Address AddrTyped = Builder.CreateElementBitCast(
Address(Addr, CharUnits::fromQuantity(TyAlign)), CGF.ConvertType(Ty));
uint64_t Offset = llvm::alignTo(CGF.getContext().getTypeSize(Ty) / 8, 4);
llvm::Value *NextAddr = Builder.CreateGEP(
@ -9750,7 +9747,7 @@ Address SparcV9ABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
Address NextPtr = Builder.CreateConstInBoundsByteGEP(Addr, Stride, "ap.next");
Builder.CreateStore(NextPtr.getPointer(), VAListAddr);
return Builder.CreateBitCast(ArgAddr, ArgPtrTy, "arg.addr");
return Builder.CreateElementBitCast(ArgAddr, ArgTy, "arg.addr");
}
void SparcV9ABIInfo::computeInfo(CGFunctionInfo &FI) const {
@ -10107,9 +10104,9 @@ Address XCoreABIInfo::EmitVAArg(CodeGenFunction &CGF, Address VAListAddr,
break;
case ABIArgInfo::Extend:
case ABIArgInfo::Direct:
Val = Builder.CreateBitCast(AP, ArgPtrTy);
Val = Builder.CreateElementBitCast(AP, ArgTy);
ArgSize = CharUnits::fromQuantity(
getDataLayout().getTypeAllocSize(AI.getCoerceToType()));
getDataLayout().getTypeAllocSize(AI.getCoerceToType()));
ArgSize = ArgSize.alignTo(SlotSize);
break;
case ABIArgInfo::Indirect: