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-rw-r--r--contrib/llvm-project/clang/lib/CodeGen/CGObjC.cpp100
1 files changed, 49 insertions, 51 deletions
diff --git a/contrib/llvm-project/clang/lib/CodeGen/CGObjC.cpp b/contrib/llvm-project/clang/lib/CodeGen/CGObjC.cpp
index 937a0e8a3b69..ac26f0d4232c 100644
--- a/contrib/llvm-project/clang/lib/CodeGen/CGObjC.cpp
+++ b/contrib/llvm-project/clang/lib/CodeGen/CGObjC.cpp
@@ -1555,6 +1555,12 @@ CodeGenFunction::generateObjCSetterBody(const ObjCImplementationDecl *classImpl,
argCK = CK_AnyPointerToBlockPointerCast;
} else if (ivarRef.getType()->isPointerType()) {
argCK = CK_BitCast;
+ } else if (argLoad.getType()->isAtomicType() &&
+ !ivarRef.getType()->isAtomicType()) {
+ argCK = CK_AtomicToNonAtomic;
+ } else if (!argLoad.getType()->isAtomicType() &&
+ ivarRef.getType()->isAtomicType()) {
+ argCK = CK_NonAtomicToAtomic;
}
ImplicitCastExpr argCast(ImplicitCastExpr::OnStack, ivarRef.getType(), argCK,
&argLoad, VK_PRValue, FPOptionsOverride());
@@ -2108,6 +2114,13 @@ static void setARCRuntimeFunctionLinkage(CodeGenModule &CGM,
setARCRuntimeFunctionLinkage(CGM, RTF.getCallee());
}
+static llvm::Function *getARCIntrinsic(llvm::Intrinsic::ID IntID,
+ CodeGenModule &CGM) {
+ llvm::Function *fn = CGM.getIntrinsic(IntID);
+ setARCRuntimeFunctionLinkage(CGM, fn);
+ return fn;
+}
+
/// Perform an operation having the signature
/// i8* (i8*)
/// where a null input causes a no-op and returns null.
@@ -2118,10 +2131,8 @@ static llvm::Value *emitARCValueOperation(
if (isa<llvm::ConstantPointerNull>(value))
return value;
- if (!fn) {
- fn = CGF.CGM.getIntrinsic(IntID);
- setARCRuntimeFunctionLinkage(CGF.CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(IntID, CGF.CGM);
// Cast the argument to 'id'.
llvm::Type *origType = returnType ? returnType : value->getType();
@@ -2140,10 +2151,8 @@ static llvm::Value *emitARCValueOperation(
static llvm::Value *emitARCLoadOperation(CodeGenFunction &CGF, Address addr,
llvm::Function *&fn,
llvm::Intrinsic::ID IntID) {
- if (!fn) {
- fn = CGF.CGM.getIntrinsic(IntID);
- setARCRuntimeFunctionLinkage(CGF.CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(IntID, CGF.CGM);
// Cast the argument to 'id*'.
llvm::Type *origType = addr.getElementType();
@@ -2168,10 +2177,8 @@ static llvm::Value *emitARCStoreOperation(CodeGenFunction &CGF, Address addr,
bool ignored) {
assert(addr.getElementType() == value->getType());
- if (!fn) {
- fn = CGF.CGM.getIntrinsic(IntID);
- setARCRuntimeFunctionLinkage(CGF.CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(IntID, CGF.CGM);
llvm::Type *origType = value->getType();
@@ -2193,10 +2200,8 @@ static void emitARCCopyOperation(CodeGenFunction &CGF, Address dst, Address src,
llvm::Intrinsic::ID IntID) {
assert(dst.getType() == src.getType());
- if (!fn) {
- fn = CGF.CGM.getIntrinsic(IntID);
- setARCRuntimeFunctionLinkage(CGF.CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(IntID, CGF.CGM);
llvm::Value *args[] = {
CGF.Builder.CreateBitCast(dst.getPointer(), CGF.Int8PtrPtrTy),
@@ -2340,13 +2345,22 @@ static llvm::Value *emitOptimizedARCReturnCall(llvm::Value *value,
// retainRV or claimRV calls in the IR. We currently do this only when the
// optimization level isn't -O0 since global-isel, which is currently run at
// -O0, doesn't know about the operand bundle.
+ ObjCEntrypoints &EPs = CGF.CGM.getObjCEntrypoints();
+ llvm::Function *&EP = IsRetainRV
+ ? EPs.objc_retainAutoreleasedReturnValue
+ : EPs.objc_unsafeClaimAutoreleasedReturnValue;
+ llvm::Intrinsic::ID IID =
+ IsRetainRV ? llvm::Intrinsic::objc_retainAutoreleasedReturnValue
+ : llvm::Intrinsic::objc_unsafeClaimAutoreleasedReturnValue;
+ EP = getARCIntrinsic(IID, CGF.CGM);
- // FIXME: Do this when the target isn't aarch64.
+ llvm::Triple::ArchType Arch = CGF.CGM.getTriple().getArch();
+
+ // FIXME: Do this on all targets and at -O0 too. This can be enabled only if
+ // the target backend knows how to handle the operand bundle.
if (CGF.CGM.getCodeGenOpts().OptimizationLevel > 0 &&
- CGF.CGM.getTarget().getTriple().isAArch64()) {
- llvm::Value *bundleArgs[] = {llvm::ConstantInt::get(
- CGF.Int64Ty,
- llvm::objcarc::getAttachedCallOperandBundleEnum(IsRetainRV))};
+ (Arch == llvm::Triple::aarch64 || Arch == llvm::Triple::x86_64)) {
+ llvm::Value *bundleArgs[] = {EP};
llvm::OperandBundleDef OB("clang.arc.attachedcall", bundleArgs);
auto *oldCall = cast<llvm::CallBase>(value);
llvm::CallBase *newCall = llvm::CallBase::addOperandBundle(
@@ -2362,13 +2376,6 @@ static llvm::Value *emitOptimizedARCReturnCall(llvm::Value *value,
CGF.CGM.getTargetCodeGenInfo().markARCOptimizedReturnCallsAsNoTail();
llvm::CallInst::TailCallKind tailKind =
isNoTail ? llvm::CallInst::TCK_NoTail : llvm::CallInst::TCK_None;
- ObjCEntrypoints &EPs = CGF.CGM.getObjCEntrypoints();
- llvm::Function *&EP = IsRetainRV
- ? EPs.objc_retainAutoreleasedReturnValue
- : EPs.objc_unsafeClaimAutoreleasedReturnValue;
- llvm::Intrinsic::ID IID =
- IsRetainRV ? llvm::Intrinsic::objc_retainAutoreleasedReturnValue
- : llvm::Intrinsic::objc_unsafeClaimAutoreleasedReturnValue;
return emitARCValueOperation(CGF, value, nullptr, EP, IID, tailKind);
}
@@ -2401,10 +2408,8 @@ void CodeGenFunction::EmitARCRelease(llvm::Value *value,
if (isa<llvm::ConstantPointerNull>(value)) return;
llvm::Function *&fn = CGM.getObjCEntrypoints().objc_release;
- if (!fn) {
- fn = CGM.getIntrinsic(llvm::Intrinsic::objc_release);
- setARCRuntimeFunctionLinkage(CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(llvm::Intrinsic::objc_release, CGM);
// Cast the argument to 'id'.
value = Builder.CreateBitCast(value, Int8PtrTy);
@@ -2447,10 +2452,8 @@ llvm::Value *CodeGenFunction::EmitARCStoreStrongCall(Address addr,
assert(addr.getElementType() == value->getType());
llvm::Function *&fn = CGM.getObjCEntrypoints().objc_storeStrong;
- if (!fn) {
- fn = CGM.getIntrinsic(llvm::Intrinsic::objc_storeStrong);
- setARCRuntimeFunctionLinkage(CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(llvm::Intrinsic::objc_storeStrong, CGM);
llvm::Value *args[] = {
Builder.CreateBitCast(addr.getPointer(), Int8PtrPtrTy),
@@ -2603,10 +2606,8 @@ void CodeGenFunction::EmitARCInitWeak(Address addr, llvm::Value *value) {
/// Essentially objc_storeWeak(addr, nil).
void CodeGenFunction::EmitARCDestroyWeak(Address addr) {
llvm::Function *&fn = CGM.getObjCEntrypoints().objc_destroyWeak;
- if (!fn) {
- fn = CGM.getIntrinsic(llvm::Intrinsic::objc_destroyWeak);
- setARCRuntimeFunctionLinkage(CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(llvm::Intrinsic::objc_destroyWeak, CGM);
// Cast the argument to 'id*'.
addr = Builder.CreateBitCast(addr, Int8PtrPtrTy);
@@ -2651,10 +2652,8 @@ void CodeGenFunction::emitARCMoveAssignWeak(QualType Ty, Address DstAddr,
/// call i8* \@objc_autoreleasePoolPush(void)
llvm::Value *CodeGenFunction::EmitObjCAutoreleasePoolPush() {
llvm::Function *&fn = CGM.getObjCEntrypoints().objc_autoreleasePoolPush;
- if (!fn) {
- fn = CGM.getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPush);
- setARCRuntimeFunctionLinkage(CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPush, CGM);
return EmitNounwindRuntimeCall(fn);
}
@@ -2679,10 +2678,8 @@ void CodeGenFunction::EmitObjCAutoreleasePoolPop(llvm::Value *value) {
EmitRuntimeCallOrInvoke(fn, value);
} else {
llvm::FunctionCallee &fn = CGM.getObjCEntrypoints().objc_autoreleasePoolPop;
- if (!fn) {
- fn = CGM.getIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPop);
- setARCRuntimeFunctionLinkage(CGM, fn);
- }
+ if (!fn)
+ fn = getARCIntrinsic(llvm::Intrinsic::objc_autoreleasePoolPop, CGM);
EmitRuntimeCall(fn, value);
}
@@ -3344,7 +3341,8 @@ struct ARCRetainExprEmitter :
TryEmitResult result = visitExpr(e);
// Avoid the block-retain if this is a block literal that doesn't need to be
// copied to the heap.
- if (e->getBlockDecl()->canAvoidCopyToHeap())
+ if (CGF.CGM.getCodeGenOpts().ObjCAvoidHeapifyLocalBlocks &&
+ e->getBlockDecl()->canAvoidCopyToHeap())
result.setInt(true);
return result;
}
@@ -3697,7 +3695,7 @@ CodeGenFunction::GenerateObjCAtomicSetterCopyHelperFunction(
FunctionDecl *FD = FunctionDecl::Create(
C, C.getTranslationUnitDecl(), SourceLocation(), SourceLocation(), II,
- FunctionTy, nullptr, SC_Static, false, false);
+ FunctionTy, nullptr, SC_Static, false, false, false);
FunctionArgList args;
ParmVarDecl *Params[2];
@@ -3787,7 +3785,7 @@ CodeGenFunction::GenerateObjCAtomicGetterCopyHelperFunction(
FunctionDecl *FD = FunctionDecl::Create(
C, C.getTranslationUnitDecl(), SourceLocation(), SourceLocation(), II,
- FunctionTy, nullptr, SC_Static, false, false);
+ FunctionTy, nullptr, SC_Static, false, false, false);
FunctionArgList args;
ParmVarDecl *Params[2];
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-01 01:14:53 +0000