summaryrefslogtreecommitdiff
path: root/contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp')
-rw-r--r--contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp687
1 files changed, 397 insertions, 290 deletions
diff --git a/contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp b/contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp
index 2203f0182800..6274e1bfe395 100644
--- a/contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/contrib/llvm/tools/clang/lib/CodeGen/CGObjCMac.cpp
@@ -12,12 +12,11 @@
//===----------------------------------------------------------------------===//
#include "CGObjCRuntime.h"
-
-#include "CGRecordLayout.h"
-#include "CodeGenModule.h"
-#include "CodeGenFunction.h"
#include "CGBlocks.h"
#include "CGCleanup.h"
+#include "CGRecordLayout.h"
+#include "CodeGenFunction.h"
+#include "CodeGenModule.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
@@ -25,18 +24,17 @@
#include "clang/AST/StmtObjC.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Frontend/CodeGenOptions.h"
-
-#include "llvm/InlineAsm.h"
-#include "llvm/IntrinsicInst.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SetVector.h"
-#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/IR/DataLayout.h"
+#include "llvm/IR/InlineAsm.h"
+#include "llvm/IR/IntrinsicInst.h"
+#include "llvm/IR/LLVMContext.h"
+#include "llvm/IR/Module.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/DataLayout.h"
#include <cstdio>
using namespace clang;
@@ -63,11 +61,13 @@ private:
// Add the non-lazy-bind attribute, since objc_msgSend is likely to
// be called a lot.
llvm::Type *params[] = { ObjectPtrTy, SelectorPtrTy };
- return CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
- params, true),
- "objc_msgSend",
- llvm::Attributes::get(CGM.getLLVMContext(),
- llvm::Attributes::NonLazyBind));
+ return
+ CGM.CreateRuntimeFunction(llvm::FunctionType::get(ObjectPtrTy,
+ params, true),
+ "objc_msgSend",
+ llvm::AttributeSet::get(CGM.getLLVMContext(),
+ llvm::AttributeSet::FunctionIndex,
+ llvm::Attribute::NonLazyBind));
}
/// void objc_msgSend_stret (id, SEL, ...)
@@ -581,11 +581,13 @@ public:
llvm::Constant *getSetJmpFn() {
// This is specifically the prototype for x86.
llvm::Type *params[] = { CGM.Int32Ty->getPointerTo() };
- return CGM.CreateRuntimeFunction(llvm::FunctionType::get(CGM.Int32Ty,
- params, false),
- "_setjmp",
- llvm::Attributes::get(CGM.getLLVMContext(),
- llvm::Attributes::NonLazyBind));
+ return
+ CGM.CreateRuntimeFunction(llvm::FunctionType::get(CGM.Int32Ty,
+ params, false),
+ "_setjmp",
+ llvm::AttributeSet::get(CGM.getLLVMContext(),
+ llvm::AttributeSet::FunctionIndex,
+ llvm::Attribute::NonLazyBind));
}
public:
@@ -881,16 +883,16 @@ protected:
llvm::DenseSet<IdentifierInfo*> DefinedProtocols;
/// DefinedClasses - List of defined classes.
- llvm::SmallVector<llvm::GlobalValue*, 16> DefinedClasses;
+ SmallVector<llvm::GlobalValue*, 16> DefinedClasses;
/// DefinedNonLazyClasses - List of defined "non-lazy" classes.
- llvm::SmallVector<llvm::GlobalValue*, 16> DefinedNonLazyClasses;
+ SmallVector<llvm::GlobalValue*, 16> DefinedNonLazyClasses;
/// DefinedCategories - List of defined categories.
- llvm::SmallVector<llvm::GlobalValue*, 16> DefinedCategories;
+ SmallVector<llvm::GlobalValue*, 16> DefinedCategories;
/// DefinedNonLazyCategories - List of defined "non-lazy" categories.
- llvm::SmallVector<llvm::GlobalValue*, 16> DefinedNonLazyCategories;
+ SmallVector<llvm::GlobalValue*, 16> DefinedNonLazyCategories;
/// GetNameForMethod - Return a name for the given method.
/// \param[out] NameOut - The return value.
@@ -943,7 +945,7 @@ protected:
unsigned int BytePos, bool ForStrongLayout,
bool &HasUnion);
- Qualifiers::ObjCLifetime getBlockCaptureLifetime(QualType QT);
+ Qualifiers::ObjCLifetime getBlockCaptureLifetime(QualType QT, bool ByrefLayout);
void UpdateRunSkipBlockVars(bool IsByref,
Qualifiers::ObjCLifetime LifeTime,
@@ -951,15 +953,19 @@ protected:
CharUnits FieldSize);
void BuildRCBlockVarRecordLayout(const RecordType *RT,
- CharUnits BytePos, bool &HasUnion);
+ CharUnits BytePos, bool &HasUnion,
+ bool ByrefLayout=false);
void BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
const RecordDecl *RD,
ArrayRef<const FieldDecl*> RecFields,
- CharUnits BytePos, bool &HasUnion);
+ CharUnits BytePos, bool &HasUnion,
+ bool ByrefLayout);
uint64_t InlineLayoutInstruction(SmallVectorImpl<unsigned char> &Layout);
+ llvm::Constant *getBitmapBlockLayout(bool ComputeByrefLayout);
+
/// GetIvarLayoutName - Returns a unique constant for the given
/// ivar layout bitmap.
@@ -982,7 +988,7 @@ protected:
/// PushProtocolProperties - Push protocol's property on the input stack.
void PushProtocolProperties(
llvm::SmallPtrSet<const IdentifierInfo*, 16> &PropertySet,
- llvm::SmallVectorImpl<llvm::Constant*> &Properties,
+ SmallVectorImpl<llvm::Constant*> &Properties,
const Decl *Container,
const ObjCProtocolDecl *PROTO,
const ObjCCommonTypesHelper &ObjCTypes);
@@ -1053,6 +1059,8 @@ public:
virtual llvm::Constant *BuildRCBlockLayout(CodeGen::CodeGenModule &CGM,
const CGBlockInfo &blockInfo);
+ virtual llvm::Constant *BuildByrefLayout(CodeGen::CodeGenModule &CGM,
+ QualType T);
};
class CGObjCMac : public CGObjCCommonMac {
@@ -1078,13 +1086,13 @@ private:
/// EmitClassRef - Return a Value*, of type ObjCTypes.ClassPtrTy,
/// for the given class.
- llvm::Value *EmitClassRef(CGBuilderTy &Builder,
+ llvm::Value *EmitClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
- llvm::Value *EmitClassRefFromId(CGBuilderTy &Builder,
+ llvm::Value *EmitClassRefFromId(CodeGenFunction &CGF,
IdentifierInfo *II);
- llvm::Value *EmitNSAutoreleasePoolClassRef(CGBuilderTy &Builder);
+ llvm::Value *EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF);
/// EmitSuperClassRef - Emits reference to class's main metadata class.
llvm::Value *EmitSuperClassRef(const ObjCInterfaceDecl *ID);
@@ -1162,7 +1170,7 @@ private:
/// EmitSelector - Return a Value*, of type ObjCTypes.SelectorPtrTy,
/// for the given selector.
- llvm::Value *EmitSelector(CGBuilderTy &Builder, Selector Sel,
+ llvm::Value *EmitSelector(CodeGenFunction &CGF, Selector Sel,
bool lval=false);
public:
@@ -1191,15 +1199,15 @@ public:
const CallArgList &CallArgs,
const ObjCMethodDecl *Method);
- virtual llvm::Value *GetClass(CGBuilderTy &Builder,
+ virtual llvm::Value *GetClass(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
- virtual llvm::Value *GetSelector(CGBuilderTy &Builder, Selector Sel,
+ virtual llvm::Value *GetSelector(CodeGenFunction &CGF, Selector Sel,
bool lval = false);
/// The NeXT/Apple runtimes do not support typed selectors; just emit an
/// untyped one.
- virtual llvm::Value *GetSelector(CGBuilderTy &Builder,
+ virtual llvm::Value *GetSelector(CodeGenFunction &CGF,
const ObjCMethodDecl *Method);
virtual llvm::Constant *GetEHType(QualType T);
@@ -1210,7 +1218,7 @@ public:
virtual void RegisterAlias(const ObjCCompatibleAliasDecl *OAD) {}
- virtual llvm::Value *GenerateProtocolRef(CGBuilderTy &Builder,
+ virtual llvm::Value *GenerateProtocolRef(CodeGenFunction &CGF,
const ObjCProtocolDecl *PD);
virtual llvm::Constant *GetPropertyGetFunction();
@@ -1219,7 +1227,8 @@ public:
bool copy);
virtual llvm::Constant *GetGetStructFunction();
virtual llvm::Constant *GetSetStructFunction();
- virtual llvm::Constant *GetCppAtomicObjectFunction();
+ virtual llvm::Constant *GetCppAtomicObjectGetFunction();
+ virtual llvm::Constant *GetCppAtomicObjectSetFunction();
virtual llvm::Constant *EnumerationMutationFunction();
virtual void EmitTryStmt(CodeGen::CodeGenFunction &CGF,
@@ -1228,7 +1237,8 @@ public:
const ObjCAtSynchronizedStmt &S);
void EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF, const Stmt &S);
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
- const ObjCAtThrowStmt &S);
+ const ObjCAtThrowStmt &S,
+ bool ClearInsertionPoint=true);
virtual llvm::Value * EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF,
llvm::Value *AddrWeakObj);
virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
@@ -1360,22 +1370,22 @@ private:
/// EmitClassRef - Return a Value*, of type ObjCTypes.ClassPtrTy,
/// for the given class reference.
- llvm::Value *EmitClassRef(CGBuilderTy &Builder,
+ llvm::Value *EmitClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
- llvm::Value *EmitClassRefFromId(CGBuilderTy &Builder,
+ llvm::Value *EmitClassRefFromId(CodeGenFunction &CGF,
IdentifierInfo *II);
- llvm::Value *EmitNSAutoreleasePoolClassRef(CGBuilderTy &Builder);
+ llvm::Value *EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF);
/// EmitSuperClassRef - Return a Value*, of type ObjCTypes.ClassPtrTy,
/// for the given super class reference.
- llvm::Value *EmitSuperClassRef(CGBuilderTy &Builder,
+ llvm::Value *EmitSuperClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
/// EmitMetaClassRef - Return a Value * of the address of _class_t
/// meta-data
- llvm::Value *EmitMetaClassRef(CGBuilderTy &Builder,
+ llvm::Value *EmitMetaClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
/// ObjCIvarOffsetVariable - Returns the ivar offset variable for
@@ -1387,7 +1397,7 @@ private:
/// EmitSelector - Return a Value*, of type ObjCTypes.SelectorPtrTy,
/// for the given selector.
- llvm::Value *EmitSelector(CGBuilderTy &Builder, Selector Sel,
+ llvm::Value *EmitSelector(CodeGenFunction &CGF, Selector Sel,
bool lval=false);
/// GetInterfaceEHType - Get the cached ehtype for the given Objective-C
@@ -1422,6 +1432,25 @@ private:
/// class implementation is "non-lazy".
bool ImplementationIsNonLazy(const ObjCImplDecl *OD) const;
+ bool IsIvarOffsetKnownIdempotent(const CodeGen::CodeGenFunction &CGF,
+ const ObjCInterfaceDecl *ID,
+ const ObjCIvarDecl *IV) {
+ // Annotate the load as an invariant load iff the object type is the type,
+ // or a derived type, of the class containing the ivar within an ObjC
+ // method. This check is needed because the ivar offset is a lazily
+ // initialised value that may depend on objc_msgSend to perform a fixup on
+ // the first message dispatch.
+ //
+ // An additional opportunity to mark the load as invariant arises when the
+ // base of the ivar access is a parameter to an Objective C method.
+ // However, because the parameters are not available in the current
+ // interface, we cannot perform this check.
+ if (CGF.CurFuncDecl && isa<ObjCMethodDecl>(CGF.CurFuncDecl))
+ if (IV->getContainingInterface()->isSuperClassOf(ID))
+ return true;
+ return false;
+ }
+
public:
CGObjCNonFragileABIMac(CodeGen::CodeGenModule &cgm);
// FIXME. All stubs for now!
@@ -1448,18 +1477,18 @@ public:
const CallArgList &CallArgs,
const ObjCMethodDecl *Method);
- virtual llvm::Value *GetClass(CGBuilderTy &Builder,
+ virtual llvm::Value *GetClass(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID);
- virtual llvm::Value *GetSelector(CGBuilderTy &Builder, Selector Sel,
+ virtual llvm::Value *GetSelector(CodeGenFunction &CGF, Selector Sel,
bool lvalue = false)
- { return EmitSelector(Builder, Sel, lvalue); }
+ { return EmitSelector(CGF, Sel, lvalue); }
/// The NeXT/Apple runtimes do not support typed selectors; just emit an
/// untyped one.
- virtual llvm::Value *GetSelector(CGBuilderTy &Builder,
+ virtual llvm::Value *GetSelector(CodeGenFunction &CGF,
const ObjCMethodDecl *Method)
- { return EmitSelector(Builder, Method->getSelector()); }
+ { return EmitSelector(CGF, Method->getSelector()); }
virtual void GenerateCategory(const ObjCCategoryImplDecl *CMD);
@@ -1467,7 +1496,7 @@ public:
virtual void RegisterAlias(const ObjCCompatibleAliasDecl *OAD) {}
- virtual llvm::Value *GenerateProtocolRef(CGBuilderTy &Builder,
+ virtual llvm::Value *GenerateProtocolRef(CodeGenFunction &CGF,
const ObjCProtocolDecl *PD);
virtual llvm::Constant *GetEHType(QualType T);
@@ -1490,7 +1519,10 @@ public:
virtual llvm::Constant *GetGetStructFunction() {
return ObjCTypes.getCopyStructFn();
}
- virtual llvm::Constant *GetCppAtomicObjectFunction() {
+ virtual llvm::Constant *GetCppAtomicObjectSetFunction() {
+ return ObjCTypes.getCppAtomicObjectFunction();
+ }
+ virtual llvm::Constant *GetCppAtomicObjectGetFunction() {
return ObjCTypes.getCppAtomicObjectFunction();
}
@@ -1503,7 +1535,8 @@ public:
virtual void EmitSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
const ObjCAtSynchronizedStmt &S);
virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
- const ObjCAtThrowStmt &S);
+ const ObjCAtThrowStmt &S,
+ bool ClearInsertionPoint=true);
virtual llvm::Value * EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF,
llvm::Value *AddrWeakObj);
virtual void EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
@@ -1533,16 +1566,18 @@ public:
/// value.
struct NullReturnState {
llvm::BasicBlock *NullBB;
- llvm::BasicBlock *callBB;
- NullReturnState() : NullBB(0), callBB(0) {}
+ NullReturnState() : NullBB(0) {}
+ /// Perform a null-check of the given receiver.
void init(CodeGenFunction &CGF, llvm::Value *receiver) {
- // Make blocks for the null-init and call edges.
- NullBB = CGF.createBasicBlock("msgSend.nullinit");
- callBB = CGF.createBasicBlock("msgSend.call");
+ // Make blocks for the null-receiver and call edges.
+ NullBB = CGF.createBasicBlock("msgSend.null-receiver");
+ llvm::BasicBlock *callBB = CGF.createBasicBlock("msgSend.call");
// Check for a null receiver and, if there is one, jump to the
- // null-init test.
+ // null-receiver block. There's no point in trying to avoid it:
+ // we're always going to put *something* there, because otherwise
+ // we shouldn't have done this null-check in the first place.
llvm::Value *isNull = CGF.Builder.CreateIsNull(receiver);
CGF.Builder.CreateCondBr(isNull, NullBB, callBB);
@@ -1550,25 +1585,29 @@ struct NullReturnState {
CGF.EmitBlock(callBB);
}
+ /// Complete the null-return operation. It is valid to call this
+ /// regardless of whether 'init' has been called.
RValue complete(CodeGenFunction &CGF, RValue result, QualType resultType,
const CallArgList &CallArgs,
const ObjCMethodDecl *Method) {
+ // If we never had to do a null-check, just use the raw result.
if (!NullBB) return result;
-
- llvm::Value *NullInitPtr = 0;
- if (result.isScalar() && !resultType->isVoidType()) {
- NullInitPtr = CGF.CreateTempAlloca(result.getScalarVal()->getType());
- CGF.Builder.CreateStore(result.getScalarVal(), NullInitPtr);
- }
+ // The continuation block. This will be left null if we don't have an
+ // IP, which can happen if the method we're calling is marked noreturn.
+ llvm::BasicBlock *contBB = 0;
+
// Finish the call path.
- llvm::BasicBlock *contBB = CGF.createBasicBlock("msgSend.cont");
- if (CGF.HaveInsertPoint()) CGF.Builder.CreateBr(contBB);
+ llvm::BasicBlock *callBB = CGF.Builder.GetInsertBlock();
+ if (callBB) {
+ contBB = CGF.createBasicBlock("msgSend.cont");
+ CGF.Builder.CreateBr(contBB);
+ }
- // Emit the null-init block and perform the null-initialization there.
+ // Okay, start emitting the null-receiver block.
CGF.EmitBlock(NullBB);
- // Release consumed arguments along the null-receiver path.
+ // Release any consumed arguments we've got.
if (Method) {
CallArgList::const_iterator I = CallArgs.begin();
for (ObjCMethodDecl::param_const_iterator i = Method->param_begin(),
@@ -1578,43 +1617,64 @@ struct NullReturnState {
RValue RV = I->RV;
assert(RV.isScalar() &&
"NullReturnState::complete - arg not on object");
- CGF.EmitARCRelease(RV.getScalarVal(), true);
+ CGF.EmitARCRelease(RV.getScalarVal(), ARCImpreciseLifetime);
}
}
}
-
+
+ // The phi code below assumes that we haven't needed any control flow yet.
+ assert(CGF.Builder.GetInsertBlock() == NullBB);
+
+ // If we've got a void return, just jump to the continuation block.
+ if (result.isScalar() && resultType->isVoidType()) {
+ // No jumps required if the message-send was noreturn.
+ if (contBB) CGF.EmitBlock(contBB);
+ return result;
+ }
+
+ // If we've got a scalar return, build a phi.
if (result.isScalar()) {
- if (NullInitPtr)
- CGF.EmitNullInitialization(NullInitPtr, resultType);
- // Jump to the continuation block.
+ // Derive the null-initialization value.
+ llvm::Constant *null = CGF.CGM.EmitNullConstant(resultType);
+
+ // If no join is necessary, just flow out.
+ if (!contBB) return RValue::get(null);
+
+ // Otherwise, build a phi.
CGF.EmitBlock(contBB);
- return NullInitPtr ? RValue::get(CGF.Builder.CreateLoad(NullInitPtr))
- : result;
+ llvm::PHINode *phi = CGF.Builder.CreatePHI(null->getType(), 2);
+ phi->addIncoming(result.getScalarVal(), callBB);
+ phi->addIncoming(null, NullBB);
+ return RValue::get(phi);
}
-
- if (!resultType->isAnyComplexType()) {
+
+ // If we've got an aggregate return, null the buffer out.
+ // FIXME: maybe we should be doing things differently for all the
+ // cases where the ABI has us returning (1) non-agg values in
+ // memory or (2) agg values in registers.
+ if (result.isAggregate()) {
assert(result.isAggregate() && "null init of non-aggregate result?");
CGF.EmitNullInitialization(result.getAggregateAddr(), resultType);
- // Jump to the continuation block.
- CGF.EmitBlock(contBB);
+ if (contBB) CGF.EmitBlock(contBB);
return result;
}
- // _Complex type
- // FIXME. Now easy to handle any other scalar type whose result is returned
- // in memory due to ABI limitations.
+ // Complex types.
CGF.EmitBlock(contBB);
- CodeGenFunction::ComplexPairTy CallCV = result.getComplexVal();
- llvm::Type *MemberType = CallCV.first->getType();
- llvm::Constant *ZeroCV = llvm::Constant::getNullValue(MemberType);
- // Create phi instruction for scalar complex value.
- llvm::PHINode *PHIReal = CGF.Builder.CreatePHI(MemberType, 2);
- PHIReal->addIncoming(ZeroCV, NullBB);
- PHIReal->addIncoming(CallCV.first, callBB);
- llvm::PHINode *PHIImag = CGF.Builder.CreatePHI(MemberType, 2);
- PHIImag->addIncoming(ZeroCV, NullBB);
- PHIImag->addIncoming(CallCV.second, callBB);
- return RValue::getComplex(PHIReal, PHIImag);
+ CodeGenFunction::ComplexPairTy callResult = result.getComplexVal();
+
+ // Find the scalar type and its zero value.
+ llvm::Type *scalarTy = callResult.first->getType();
+ llvm::Constant *scalarZero = llvm::Constant::getNullValue(scalarTy);
+
+ // Build phis for both coordinates.
+ llvm::PHINode *real = CGF.Builder.CreatePHI(scalarTy, 2);
+ real->addIncoming(callResult.first, callBB);
+ real->addIncoming(scalarZero, NullBB);
+ llvm::PHINode *imag = CGF.Builder.CreatePHI(scalarTy, 2);
+ imag->addIncoming(callResult.second, callBB);
+ imag->addIncoming(scalarZero, NullBB);
+ return RValue::getComplex(real, imag);
}
};
@@ -1655,19 +1715,19 @@ CGObjCMac::CGObjCMac(CodeGen::CodeGenModule &cgm) : CGObjCCommonMac(cgm),
/// GetClass - Return a reference to the class for the given interface
/// decl.
-llvm::Value *CGObjCMac::GetClass(CGBuilderTy &Builder,
+llvm::Value *CGObjCMac::GetClass(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
- return EmitClassRef(Builder, ID);
+ return EmitClassRef(CGF, ID);
}
/// GetSelector - Return the pointer to the unique'd string for this selector.
-llvm::Value *CGObjCMac::GetSelector(CGBuilderTy &Builder, Selector Sel,
+llvm::Value *CGObjCMac::GetSelector(CodeGenFunction &CGF, Selector Sel,
bool lval) {
- return EmitSelector(Builder, Sel, lval);
+ return EmitSelector(CGF, Sel, lval);
}
-llvm::Value *CGObjCMac::GetSelector(CGBuilderTy &Builder, const ObjCMethodDecl
+llvm::Value *CGObjCMac::GetSelector(CodeGenFunction &CGF, const ObjCMethodDecl
*Method) {
- return EmitSelector(Builder, Method->getSelector());
+ return EmitSelector(CGF, Method->getSelector());
}
llvm::Constant *CGObjCMac::GetEHType(QualType T) {
@@ -1750,7 +1810,7 @@ CGObjCMac::GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF,
// _metaclass_ for the current class, pointed at by
// the class's "isa" pointer. The following assumes that
// isa" is the first ivar in a class (which it must be).
- Target = EmitClassRef(CGF.Builder, Class->getSuperClass());
+ Target = EmitClassRef(CGF, Class->getSuperClass());
Target = CGF.Builder.CreateStructGEP(Target, 0);
Target = CGF.Builder.CreateLoad(Target);
} else {
@@ -1761,7 +1821,7 @@ CGObjCMac::GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF,
}
}
else if (isCategoryImpl)
- Target = EmitClassRef(CGF.Builder, Class->getSuperClass());
+ Target = EmitClassRef(CGF, Class->getSuperClass());
else {
llvm::Value *ClassPtr = EmitSuperClassRef(Class);
ClassPtr = CGF.Builder.CreateStructGEP(ClassPtr, 1);
@@ -1775,7 +1835,7 @@ CGObjCMac::GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF,
CGF.Builder.CreateStore(Target,
CGF.Builder.CreateStructGEP(ObjCSuper, 1));
return EmitMessageSend(CGF, Return, ResultType,
- EmitSelector(CGF.Builder, Sel),
+ EmitSelector(CGF, Sel),
ObjCSuper, ObjCTypes.SuperPtrCTy,
true, CallArgs, Method, ObjCTypes);
}
@@ -1790,7 +1850,7 @@ CodeGen::RValue CGObjCMac::GenerateMessageSend(CodeGen::CodeGenFunction &CGF,
const ObjCInterfaceDecl *Class,
const ObjCMethodDecl *Method) {
return EmitMessageSend(CGF, Return, ResultType,
- EmitSelector(CGF.Builder, Sel),
+ EmitSelector(CGF, Sel),
Receiver, CGF.getContext().getObjCIdType(),
false, CallArgs, Method, ObjCTypes);
}
@@ -1968,13 +2028,14 @@ llvm::Constant *CGObjCCommonMac::BuildGCBlockLayout(CodeGenModule &CGM,
/// getBlockCaptureLifetime - This routine returns life time of the captured
/// block variable for the purpose of block layout meta-data generation. FQT is
/// the type of the variable captured in the block.
-Qualifiers::ObjCLifetime CGObjCCommonMac::getBlockCaptureLifetime(QualType FQT) {
+Qualifiers::ObjCLifetime CGObjCCommonMac::getBlockCaptureLifetime(QualType FQT,
+ bool ByrefLayout) {
if (CGM.getLangOpts().ObjCAutoRefCount)
return FQT.getObjCLifetime();
// MRR.
if (FQT->isObjCObjectPointerType() || FQT->isBlockPointerType())
- return Qualifiers::OCL_ExplicitNone;
+ return ByrefLayout ? Qualifiers::OCL_ExplicitNone : Qualifiers::OCL_Strong;
return Qualifiers::OCL_None;
}
@@ -2005,7 +2066,8 @@ void CGObjCCommonMac::UpdateRunSkipBlockVars(bool IsByref,
void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
const RecordDecl *RD,
ArrayRef<const FieldDecl*> RecFields,
- CharUnits BytePos, bool &HasUnion) {
+ CharUnits BytePos, bool &HasUnion,
+ bool ByrefLayout) {
bool IsUnion = (RD && RD->isUnion());
CharUnits MaxUnionSize = CharUnits::Zero();
const FieldDecl *MaxField = 0;
@@ -2088,7 +2150,7 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
}
} else {
UpdateRunSkipBlockVars(false,
- getBlockCaptureLifetime(FQT),
+ getBlockCaptureLifetime(FQT, ByrefLayout),
BytePos + FieldOffset,
FieldSize);
}
@@ -2104,7 +2166,8 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
CharUnits Size = CharUnits::fromQuantity(UnsSize);
Size += LastBitfieldOrUnnamedOffset;
UpdateRunSkipBlockVars(false,
- getBlockCaptureLifetime(LastFieldBitfieldOrUnnamed->getType()),
+ getBlockCaptureLifetime(LastFieldBitfieldOrUnnamed->getType(),
+ ByrefLayout),
BytePos + LastBitfieldOrUnnamedOffset,
Size);
} else {
@@ -2113,7 +2176,8 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
CharUnits FieldSize
= CGM.getContext().getTypeSizeInChars(LastFieldBitfieldOrUnnamed->getType());
UpdateRunSkipBlockVars(false,
- getBlockCaptureLifetime(LastFieldBitfieldOrUnnamed->getType()),
+ getBlockCaptureLifetime(LastFieldBitfieldOrUnnamed->getType(),
+ ByrefLayout),
BytePos + LastBitfieldOrUnnamedOffset,
FieldSize);
}
@@ -2121,14 +2185,15 @@ void CGObjCCommonMac::BuildRCRecordLayout(const llvm::StructLayout *RecLayout,
if (MaxField)
UpdateRunSkipBlockVars(false,
- getBlockCaptureLifetime(MaxField->getType()),
+ getBlockCaptureLifetime(MaxField->getType(), ByrefLayout),
BytePos + MaxFieldOffset,
MaxUnionSize);
}
void CGObjCCommonMac::BuildRCBlockVarRecordLayout(const RecordType *RT,
CharUnits BytePos,
- bool &HasUnion) {
+ bool &HasUnion,
+ bool ByrefLayout) {
const RecordDecl *RD = RT->getDecl();
SmallVector<const FieldDecl*, 16> Fields;
for (RecordDecl::field_iterator i = RD->field_begin(),
@@ -2138,7 +2203,7 @@ void CGObjCCommonMac::BuildRCBlockVarRecordLayout(const RecordType *RT,
const llvm::StructLayout *RecLayout =
CGM.getDataLayout().getStructLayout(cast<llvm::StructType>(Ty));
- BuildRCRecordLayout(RecLayout, RD, Fields, BytePos, HasUnion);
+ BuildRCRecordLayout(RecLayout, RD, Fields, BytePos, HasUnion, ByrefLayout);
}
/// InlineLayoutInstruction - This routine produce an inline instruction for the
@@ -2247,64 +2312,19 @@ uint64_t CGObjCCommonMac::InlineLayoutInstruction(
return Result;
}
-llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
- const CGBlockInfo &blockInfo) {
- assert(CGM.getLangOpts().getGC() == LangOptions::NonGC);
-
+llvm::Constant *CGObjCCommonMac::getBitmapBlockLayout(bool ComputeByrefLayout) {
llvm::Constant *nullPtr = llvm::Constant::getNullValue(CGM.Int8PtrTy);
-
- RunSkipBlockVars.clear();
- bool hasUnion = false;
-
+ if (RunSkipBlockVars.empty())
+ return nullPtr;
unsigned WordSizeInBits = CGM.getContext().getTargetInfo().getPointerWidth(0);
unsigned ByteSizeInBits = CGM.getContext().getTargetInfo().getCharWidth();
unsigned WordSizeInBytes = WordSizeInBits/ByteSizeInBits;
- const BlockDecl *blockDecl = blockInfo.getBlockDecl();
-
- // Calculate the basic layout of the block structure.
- const llvm::StructLayout *layout =
- CGM.getDataLayout().getStructLayout(blockInfo.StructureType);
-
- // Ignore the optional 'this' capture: C++ objects are not assumed
- // to be GC'ed.
-
- // Walk the captured variables.
- for (BlockDecl::capture_const_iterator ci = blockDecl->capture_begin(),
- ce = blockDecl->capture_end(); ci != ce; ++ci) {
- const VarDecl *variable = ci->getVariable();
- QualType type = variable->getType();
-
- const CGBlockInfo::Capture &capture = blockInfo.getCapture(variable);
-
- // Ignore constant captures.
- if (capture.isConstant()) continue;
-
- CharUnits fieldOffset =
- CharUnits::fromQuantity(layout->getElementOffset(capture.getIndex()));
-
- assert(!type->isArrayType() && "array variable should not be caught");
- if (const RecordType *record = type->getAs<RecordType>()) {
- BuildRCBlockVarRecordLayout(record, fieldOffset, hasUnion);
- continue;
- }
- CharUnits fieldSize;
- if (ci->isByRef())
- fieldSize = CharUnits::fromQuantity(WordSizeInBytes);
- else
- fieldSize = CGM.getContext().getTypeSizeInChars(type);
- UpdateRunSkipBlockVars(ci->isByRef(), getBlockCaptureLifetime(type),
- fieldOffset, fieldSize);
- }
-
- if (RunSkipBlockVars.empty())
- return nullPtr;
-
// Sort on byte position; captures might not be allocated in order,
// and unions can do funny things.
llvm::array_pod_sort(RunSkipBlockVars.begin(), RunSkipBlockVars.end());
SmallVector<unsigned char, 16> Layout;
-
+
unsigned size = RunSkipBlockVars.size();
for (unsigned i = 0; i < size; i++) {
enum BLOCK_LAYOUT_OPCODE opcode = RunSkipBlockVars[i].opcode;
@@ -2320,11 +2340,11 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
break;
}
CharUnits size_in_bytes =
- end_byte_pos - start_byte_pos + RunSkipBlockVars[j-1].block_var_size;
+ end_byte_pos - start_byte_pos + RunSkipBlockVars[j-1].block_var_size;
if (j < size) {
CharUnits gap =
- RunSkipBlockVars[j].block_var_bytepos -
- RunSkipBlockVars[j-1].block_var_bytepos - RunSkipBlockVars[j-1].block_var_size;
+ RunSkipBlockVars[j].block_var_bytepos -
+ RunSkipBlockVars[j-1].block_var_bytepos - RunSkipBlockVars[j-1].block_var_size;
size_in_bytes += gap;
}
CharUnits residue_in_bytes = CharUnits::Zero();
@@ -2333,7 +2353,7 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
size_in_bytes -= residue_in_bytes;
opcode = BLOCK_LAYOUT_NON_OBJECT_WORDS;
}
-
+
unsigned size_in_words = size_in_bytes.getQuantity() / WordSizeInBytes;
while (size_in_words >= 16) {
// Note that value in imm. is one less that the actual
@@ -2350,7 +2370,7 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
}
if (residue_in_bytes > CharUnits::Zero()) {
unsigned char inst =
- (BLOCK_LAYOUT_NON_OBJECT_BYTES << 4) | (residue_in_bytes.getQuantity()-1);
+ (BLOCK_LAYOUT_NON_OBJECT_BYTES << 4) | (residue_in_bytes.getQuantity()-1);
Layout.push_back(inst);
}
}
@@ -2369,7 +2389,10 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
if (Result != 0) {
// Block variable layout instruction has been inlined.
if (CGM.getLangOpts().ObjCGCBitmapPrint) {
- printf("\n Inline instruction for block variable layout: ");
+ if (ComputeByrefLayout)
+ printf("\n Inline instruction for BYREF variable layout: ");
+ else
+ printf("\n Inline instruction for block variable layout: ");
printf("0x0%llx\n", (unsigned long long)Result);
}
if (WordSizeInBytes == 8) {
@@ -2389,7 +2412,10 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
BitMap += Layout[i];
if (CGM.getLangOpts().ObjCGCBitmapPrint) {
- printf("\n block variable layout: ");
+ if (ComputeByrefLayout)
+ printf("\n BYREF variable layout: ");
+ else
+ printf("\n block variable layout: ");
for (unsigned i = 0, e = BitMap.size(); i != e; i++) {
unsigned char inst = BitMap[i];
enum BLOCK_LAYOUT_OPCODE opcode = (enum BLOCK_LAYOUT_OPCODE) (inst >> 4);
@@ -2417,10 +2443,10 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
case BLOCK_LAYOUT_UNRETAINED:
printf("BL_UNRETAINED:");
break;
- }
+ }
// Actual value of word count is one more that what is in the imm.
// field of the instruction
- printf("%d", (inst & 0xf) + delta);
+ printf("%d", (inst & 0xf) + delta);
if (i < e-1)
printf(", ");
else
@@ -2429,13 +2455,84 @@ llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
}
llvm::GlobalVariable * Entry =
- CreateMetadataVar("\01L_OBJC_CLASS_NAME_",
+ CreateMetadataVar("\01L_OBJC_CLASS_NAME_",
llvm::ConstantDataArray::getString(VMContext, BitMap,false),
"__TEXT,__objc_classname,cstring_literals", 1, true);
return getConstantGEP(VMContext, Entry, 0, 0);
}
-llvm::Value *CGObjCMac::GenerateProtocolRef(CGBuilderTy &Builder,
+llvm::Constant *CGObjCCommonMac::BuildRCBlockLayout(CodeGenModule &CGM,
+ const CGBlockInfo &blockInfo) {
+ assert(CGM.getLangOpts().getGC() == LangOptions::NonGC);
+
+ RunSkipBlockVars.clear();
+ bool hasUnion = false;
+
+ unsigned WordSizeInBits = CGM.getContext().getTargetInfo().getPointerWidth(0);
+ unsigned ByteSizeInBits = CGM.getContext().getTargetInfo().getCharWidth();
+ unsigned WordSizeInBytes = WordSizeInBits/ByteSizeInBits;
+
+ const BlockDecl *blockDecl = blockInfo.getBlockDecl();
+
+ // Calculate the basic layout of the block structure.
+ const llvm::StructLayout *layout =
+ CGM.getDataLayout().getStructLayout(blockInfo.StructureType);
+
+ // Ignore the optional 'this' capture: C++ objects are not assumed
+ // to be GC'ed.
+ if (blockInfo.BlockHeaderForcedGapSize != CharUnits::Zero())
+ UpdateRunSkipBlockVars(false, Qualifiers::OCL_None,
+ blockInfo.BlockHeaderForcedGapOffset,
+ blockInfo.BlockHeaderForcedGapSize);
+ // Walk the captured variables.
+ for (BlockDecl::capture_const_iterator ci = blockDecl->capture_begin(),
+ ce = blockDecl->capture_end(); ci != ce; ++ci) {
+ const VarDecl *variable = ci->getVariable();
+ QualType type = variable->getType();
+
+ const CGBlockInfo::Capture &capture = blockInfo.getCapture(variable);
+
+ // Ignore constant captures.
+ if (capture.isConstant()) continue;
+
+ CharUnits fieldOffset =
+ CharUnits::fromQuantity(layout->getElementOffset(capture.getIndex()));
+
+ assert(!type->isArrayType() && "array variable should not be caught");
+ if (!ci->isByRef())
+ if (const RecordType *record = type->getAs<RecordType>()) {
+ BuildRCBlockVarRecordLayout(record, fieldOffset, hasUnion);
+ continue;
+ }
+ CharUnits fieldSize;
+ if (ci->isByRef())
+ fieldSize = CharUnits::fromQuantity(WordSizeInBytes);
+ else
+ fieldSize = CGM.getContext().getTypeSizeInChars(type);
+ UpdateRunSkipBlockVars(ci->isByRef(), getBlockCaptureLifetime(type, false),
+ fieldOffset, fieldSize);
+ }
+ return getBitmapBlockLayout(false);
+}
+
+
+llvm::Constant *CGObjCCommonMac::BuildByrefLayout(CodeGen::CodeGenModule &CGM,
+ QualType T) {
+ assert(CGM.getLangOpts().getGC() == LangOptions::NonGC);
+ assert(!T->isArrayType() && "__block array variable should not be caught");
+ CharUnits fieldOffset;
+ RunSkipBlockVars.clear();
+ bool hasUnion = false;
+ if (const RecordType *record = T->getAs<RecordType>()) {
+ BuildRCBlockVarRecordLayout(record, fieldOffset, hasUnion, true /*ByrefLayout */);
+ llvm::Constant *Result = getBitmapBlockLayout(true);
+ return Result;
+ }
+ llvm::Constant *nullPtr = llvm::Constant::getNullValue(CGM.Int8PtrTy);
+ return nullPtr;
+}
+
+llvm::Value *CGObjCMac::GenerateProtocolRef(CodeGenFunction &CGF,
const ObjCProtocolDecl *PD) {
// FIXME: I don't understand why gcc generates this, or where it is
// resolved. Investigate. Its also wasteful to look this up over and over.
@@ -2644,7 +2741,7 @@ llvm::Constant *
CGObjCMac::EmitProtocolList(Twine Name,
ObjCProtocolDecl::protocol_iterator begin,
ObjCProtocolDecl::protocol_iterator end) {
- llvm::SmallVector<llvm::Constant*, 16> ProtocolRefs;
+ SmallVector<llvm::Constant *, 16> ProtocolRefs;
for (; begin != end; ++begin)
ProtocolRefs.push_back(GetProtocolRef(*begin));
@@ -2675,7 +2772,7 @@ CGObjCMac::EmitProtocolList(Twine Name,
void CGObjCCommonMac::
PushProtocolProperties(llvm::SmallPtrSet<const IdentifierInfo*,16> &PropertySet,
- llvm::SmallVectorImpl<llvm::Constant*> &Properties,
+ SmallVectorImpl<llvm::Constant *> &Properties,
const Decl *Container,
const ObjCProtocolDecl *PROTO,
const ObjCCommonTypesHelper &ObjCTypes) {
@@ -2711,7 +2808,7 @@ llvm::Constant *CGObjCCommonMac::EmitPropertyList(Twine Name,
const Decl *Container,
const ObjCContainerDecl *OCD,
const ObjCCommonTypesHelper &ObjCTypes) {
- llvm::SmallVector<llvm::Constant*, 16> Properties;
+ SmallVector<llvm::Constant *, 16> Properties;
llvm::SmallPtrSet<const IdentifierInfo*, 16> PropertySet;
for (ObjCContainerDecl::prop_iterator I = OCD->prop_begin(),
E = OCD->prop_end(); I != E; ++I) {
@@ -2846,7 +2943,7 @@ void CGObjCMac::GenerateCategory(const ObjCCategoryImplDecl *OCD) {
llvm::raw_svector_ostream(ExtName) << Interface->getName() << '_'
<< OCD->getName();
- llvm::SmallVector<llvm::Constant*, 16> InstanceMethods, ClassMethods;
+ SmallVector<llvm::Constant *, 16> InstanceMethods, ClassMethods;
for (ObjCCategoryImplDecl::instmeth_iterator
i = OCD->instmeth_begin(), e = OCD->instmeth_end(); i != e; ++i) {
// Instance methods should always be defined.
@@ -2974,7 +3071,7 @@ void CGObjCMac::GenerateClass(const ObjCImplementationDecl *ID) {
if (ID->getClassInterface()->getVisibility() == HiddenVisibility)
Flags |= FragileABI_Class_Hidden;
- llvm::SmallVector<llvm::Constant*, 16> InstanceMethods, ClassMethods;
+ SmallVector<llvm::Constant *, 16> InstanceMethods, ClassMethods;
for (ObjCImplementationDecl::instmeth_iterator
i = ID->instmeth_begin(), e = ID->instmeth_end(); i != e; ++i) {
// Instance methods should always be defined.
@@ -3368,7 +3465,10 @@ llvm::Constant *CGObjCMac::GetSetStructFunction() {
return ObjCTypes.getCopyStructFn();
}
-llvm::Constant *CGObjCMac::GetCppAtomicObjectFunction() {
+llvm::Constant *CGObjCMac::GetCppAtomicObjectGetFunction() {
+ return ObjCTypes.getCppAtomicObjectFunction();
+}
+llvm::Constant *CGObjCMac::GetCppAtomicObjectSetFunction() {
return ObjCTypes.getCppAtomicObjectFunction();
}
@@ -3411,14 +3511,17 @@ namespace {
FinallyCallExit, FinallyNoCallExit);
CGF.EmitBlock(FinallyCallExit);
- CGF.Builder.CreateCall(ObjCTypes.getExceptionTryExitFn(), ExceptionData)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionTryExitFn(),
+ ExceptionData);
CGF.EmitBlock(FinallyNoCallExit);
if (isa<ObjCAtTryStmt>(S)) {
if (const ObjCAtFinallyStmt* FinallyStmt =
cast<ObjCAtTryStmt>(S).getFinallyStmt()) {
+ // Don't try to do the @finally if this is an EH cleanup.
+ if (flags.isForEHCleanup()) return;
+
// Save the current cleanup destination in case there's
// control flow inside the finally statement.
llvm::Value *CurCleanupDest =
@@ -3438,8 +3541,7 @@ namespace {
// Emit objc_sync_exit(expr); as finally's sole statement for
// @synchronized.
llvm::Value *SyncArg = CGF.Builder.CreateLoad(SyncArgSlot);
- CGF.Builder.CreateCall(ObjCTypes.getSyncExitFn(), SyncArg)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getSyncExitFn(), SyncArg);
}
}
};
@@ -3516,12 +3618,14 @@ FragileHazards::FragileHazards(CodeGenFunction &CGF) : CGF(CGF) {
void FragileHazards::emitWriteHazard() {
if (Locals.empty()) return;
- CGF.Builder.CreateCall(WriteHazard, Locals)->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(WriteHazard, Locals);
}
void FragileHazards::emitReadHazard(CGBuilderTy &Builder) {
assert(!Locals.empty());
- Builder.CreateCall(ReadHazard, Locals)->setDoesNotThrow();
+ llvm::CallInst *call = Builder.CreateCall(ReadHazard, Locals);
+ call->setDoesNotThrow();
+ call->setCallingConv(CGF.getRuntimeCC());
}
/// Emit read hazards in all the protected blocks, i.e. all the blocks
@@ -3726,8 +3830,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
llvm::Value *SyncArg =
CGF.EmitScalarExpr(cast<ObjCAtSynchronizedStmt>(S).getSynchExpr());
SyncArg = CGF.Builder.CreateBitCast(SyncArg, ObjCTypes.ObjectPtrTy);
- CGF.Builder.CreateCall(ObjCTypes.getSyncEnterFn(), SyncArg)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getSyncEnterFn(), SyncArg);
SyncArgSlot = CGF.CreateTempAlloca(SyncArg->getType(), "sync.arg");
CGF.Builder.CreateStore(SyncArg, SyncArgSlot);
@@ -3760,7 +3863,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
llvm::Value *PropagatingExnVar = 0;
// Push a normal cleanup to leave the try scope.
- CGF.EHStack.pushCleanup<PerformFragileFinally>(NormalCleanup, &S,
+ CGF.EHStack.pushCleanup<PerformFragileFinally>(NormalAndEHCleanup, &S,
SyncArgSlot,
CallTryExitVar,
ExceptionData,
@@ -3769,8 +3872,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Enter a try block:
// - Call objc_exception_try_enter to push ExceptionData on top of
// the EH stack.
- CGF.Builder.CreateCall(ObjCTypes.getExceptionTryEnterFn(), ExceptionData)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionTryEnterFn(), ExceptionData);
// - Call setjmp on the exception data buffer.
llvm::Constant *Zero = llvm::ConstantInt::get(CGF.Builder.getInt32Ty(), 0);
@@ -3778,8 +3880,7 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
llvm::Value *SetJmpBuffer =
CGF.Builder.CreateGEP(ExceptionData, GEPIndexes, "setjmp_buffer");
llvm::CallInst *SetJmpResult =
- CGF.Builder.CreateCall(ObjCTypes.getSetJmpFn(), SetJmpBuffer, "setjmp_result");
- SetJmpResult->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getSetJmpFn(), SetJmpBuffer, "setjmp_result");
SetJmpResult->setCanReturnTwice();
// If setjmp returned 0, enter the protected block; otherwise,
@@ -3816,9 +3917,8 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Retrieve the exception object. We may emit multiple blocks but
// nothing can cross this so the value is already in SSA form.
llvm::CallInst *Caught =
- CGF.Builder.CreateCall(ObjCTypes.getExceptionExtractFn(),
- ExceptionData, "caught");
- Caught->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionExtractFn(),
+ ExceptionData, "caught");
// Push the exception to rethrow onto the EH value stack for the
// benefit of any @throws in the handlers.
@@ -3839,13 +3939,12 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Enter a new exception try block (in case a @catch block
// throws an exception).
- CGF.Builder.CreateCall(ObjCTypes.getExceptionTryEnterFn(), ExceptionData)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionTryEnterFn(),
+ ExceptionData);
llvm::CallInst *SetJmpResult =
- CGF.Builder.CreateCall(ObjCTypes.getSetJmpFn(), SetJmpBuffer,
- "setjmp.result");
- SetJmpResult->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getSetJmpFn(),
+ SetJmpBuffer, "setjmp.result");
SetJmpResult->setCanReturnTwice();
llvm::Value *Threw =
@@ -3913,12 +4012,12 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
assert(IDecl && "Catch parameter must have Objective-C type!");
// Check if the @catch block matches the exception object.
- llvm::Value *Class = EmitClassRef(CGF.Builder, IDecl);
+ llvm::Value *Class = EmitClassRef(CGF, IDecl);
+ llvm::Value *matchArgs[] = { Class, Caught };
llvm::CallInst *Match =
- CGF.Builder.CreateCall2(ObjCTypes.getExceptionMatchFn(),
- Class, Caught, "match");
- Match->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionMatchFn(),
+ matchArgs, "match");
llvm::BasicBlock *MatchedBlock = CGF.createBasicBlock("match");
llvm::BasicBlock *NextCatchBlock = CGF.createBasicBlock("catch.next");
@@ -3975,9 +4074,8 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// propagating-exception slot.
assert(PropagatingExnVar);
llvm::CallInst *NewCaught =
- CGF.Builder.CreateCall(ObjCTypes.getExceptionExtractFn(),
- ExceptionData, "caught");
- NewCaught->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionExtractFn(),
+ ExceptionData, "caught");
CGF.Builder.CreateStore(NewCaught, PropagatingExnVar);
// Don't pop the catch handler; the throw already did.
@@ -4008,14 +4106,13 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
// Otherwise, just look in the buffer for the exception to throw.
} else {
llvm::CallInst *Caught =
- CGF.Builder.CreateCall(ObjCTypes.getExceptionExtractFn(),
- ExceptionData);
- Caught->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionExtractFn(),
+ ExceptionData);
PropagatingExn = Caught;
}
- CGF.Builder.CreateCall(ObjCTypes.getExceptionThrowFn(), PropagatingExn)
- ->setDoesNotThrow();
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getExceptionThrowFn(),
+ PropagatingExn);
CGF.Builder.CreateUnreachable();
}
@@ -4023,7 +4120,8 @@ void CGObjCMac::EmitTryOrSynchronizedStmt(CodeGen::CodeGenFunction &CGF,
}
void CGObjCMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
- const ObjCAtThrowStmt &S) {
+ const ObjCAtThrowStmt &S,
+ bool ClearInsertionPoint) {
llvm::Value *ExceptionAsObject;
if (const Expr *ThrowExpr = S.getThrowExpr()) {
@@ -4036,12 +4134,13 @@ void CGObjCMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
ExceptionAsObject = CGF.ObjCEHValueStack.back();
}
- CGF.Builder.CreateCall(ObjCTypes.getExceptionThrowFn(), ExceptionAsObject)
+ CGF.EmitRuntimeCall(ObjCTypes.getExceptionThrowFn(), ExceptionAsObject)
->setDoesNotReturn();
CGF.Builder.CreateUnreachable();
// Clear the insertion point to indicate we are in unreachable code.
- CGF.Builder.ClearInsertionPoint();
+ if (ClearInsertionPoint)
+ CGF.Builder.ClearInsertionPoint();
}
/// EmitObjCWeakRead - Code gen for loading value of a __weak
@@ -4053,8 +4152,9 @@ llvm::Value * CGObjCMac::EmitObjCWeakRead(CodeGen::CodeGenFunction &CGF,
cast<llvm::PointerType>(AddrWeakObj->getType())->getElementType();
AddrWeakObj = CGF.Builder.CreateBitCast(AddrWeakObj,
ObjCTypes.PtrObjectPtrTy);
- llvm::Value *read_weak = CGF.Builder.CreateCall(ObjCTypes.getGcReadWeakFn(),
- AddrWeakObj, "weakread");
+ llvm::Value *read_weak =
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcReadWeakFn(),
+ AddrWeakObj, "weakread");
read_weak = CGF.Builder.CreateBitCast(read_weak, DestTy);
return read_weak;
}
@@ -4074,8 +4174,9 @@ void CGObjCMac::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignWeakFn(),
- src, dst, "weakassign");
+ llvm::Value *args[] = { src, dst };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignWeakFn(),
+ args, "weakassign");
return;
}
@@ -4095,12 +4196,13 @@ void CGObjCMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ llvm::Value *args[] = { src, dst };
if (!threadlocal)
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignGlobalFn(),
- src, dst, "globalassign");
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignGlobalFn(),
+ args, "globalassign");
else
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignThreadLocalFn(),
- src, dst, "threadlocalassign");
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignThreadLocalFn(),
+ args, "threadlocalassign");
return;
}
@@ -4121,8 +4223,8 @@ void CGObjCMac::EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall3(ObjCTypes.getGcAssignIvarFn(),
- src, dst, ivarOffset);
+ llvm::Value *args[] = { src, dst, ivarOffset };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignIvarFn(), args);
return;
}
@@ -4141,8 +4243,9 @@ void CGObjCMac::EmitObjCStrongCastAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignStrongCastFn(),
- src, dst, "weakassign");
+ llvm::Value *args[] = { src, dst };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignStrongCastFn(),
+ args, "weakassign");
return;
}
@@ -4152,9 +4255,8 @@ void CGObjCMac::EmitGCMemmoveCollectable(CodeGen::CodeGenFunction &CGF,
llvm::Value *size) {
SrcPtr = CGF.Builder.CreateBitCast(SrcPtr, ObjCTypes.Int8PtrTy);
DestPtr = CGF.Builder.CreateBitCast(DestPtr, ObjCTypes.Int8PtrTy);
- CGF.Builder.CreateCall3(ObjCTypes.GcMemmoveCollectableFn(),
- DestPtr, SrcPtr, size);
- return;
+ llvm::Value *args[] = { DestPtr, SrcPtr, size };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.GcMemmoveCollectableFn(), args);
}
/// EmitObjCValueForIvar - Code Gen for ivar reference.
@@ -4318,8 +4420,8 @@ llvm::Constant *CGObjCMac::EmitModuleSymbols() {
return llvm::ConstantExpr::getBitCast(GV, ObjCTypes.SymtabPtrTy);
}
-llvm::Value *CGObjCMac::EmitClassRefFromId(CGBuilderTy &Builder,
- IdentifierInfo *II) {
+llvm::Value *CGObjCMac::EmitClassRefFromId(CodeGenFunction &CGF,
+ IdentifierInfo *II) {
LazySymbols.insert(II);
llvm::GlobalVariable *&Entry = ClassReferences[II];
@@ -4334,20 +4436,20 @@ llvm::Value *CGObjCMac::EmitClassRefFromId(CGBuilderTy &Builder,
4, true);
}
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
}
-llvm::Value *CGObjCMac::EmitClassRef(CGBuilderTy &Builder,
+llvm::Value *CGObjCMac::EmitClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
- return EmitClassRefFromId(Builder, ID->getIdentifier());
+ return EmitClassRefFromId(CGF, ID->getIdentifier());
}
-llvm::Value *CGObjCMac::EmitNSAutoreleasePoolClassRef(CGBuilderTy &Builder) {
+llvm::Value *CGObjCMac::EmitNSAutoreleasePoolClassRef(CodeGenFunction &CGF) {
IdentifierInfo *II = &CGM.getContext().Idents.get("NSAutoreleasePool");
- return EmitClassRefFromId(Builder, II);
+ return EmitClassRefFromId(CGF, II);
}
-llvm::Value *CGObjCMac::EmitSelector(CGBuilderTy &Builder, Selector Sel,
+llvm::Value *CGObjCMac::EmitSelector(CodeGenFunction &CGF, Selector Sel,
bool lvalue) {
llvm::GlobalVariable *&Entry = SelectorReferences[Sel];
@@ -4359,11 +4461,12 @@ llvm::Value *CGObjCMac::EmitSelector(CGBuilderTy &Builder, Selector Sel,
CreateMetadataVar("\01L_OBJC_SELECTOR_REFERENCES_", Casted,
"__OBJC,__message_refs,literal_pointers,no_dead_strip",
4, true);
+ Entry->setExternallyInitialized(true);
}
if (lvalue)
return Entry;
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
}
llvm::Constant *CGObjCCommonMac::GetClassName(IdentifierInfo *Ident) {
@@ -5825,7 +5928,7 @@ void CGObjCNonFragileABIMac::GenerateClass(const ObjCImplementationDecl *ID) {
/// It generates a weak reference to l_OBJC_PROTOCOL_REFERENCE_$_Proto1
/// which will hold address of the protocol meta-data.
///
-llvm::Value *CGObjCNonFragileABIMac::GenerateProtocolRef(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::GenerateProtocolRef(CodeGenFunction &CGF,
const ObjCProtocolDecl *PD) {
// This routine is called for @protocol only. So, we must build definition
@@ -5840,7 +5943,7 @@ llvm::Value *CGObjCNonFragileABIMac::GenerateProtocolRef(CGBuilderTy &Builder,
llvm::GlobalVariable *PTGV = CGM.getModule().getGlobalVariable(ProtocolName);
if (PTGV)
- return Builder.CreateLoad(PTGV);
+ return CGF.Builder.CreateLoad(PTGV);
PTGV = new llvm::GlobalVariable(
CGM.getModule(),
Init->getType(), false,
@@ -5850,7 +5953,7 @@ llvm::Value *CGObjCNonFragileABIMac::GenerateProtocolRef(CGBuilderTy &Builder,
PTGV->setSection("__DATA, __objc_protorefs, coalesced, no_dead_strip");
PTGV->setVisibility(llvm::GlobalValue::HiddenVisibility);
CGM.AddUsedGlobal(PTGV);
- return Builder.CreateLoad(PTGV);
+ return CGF.Builder.CreateLoad(PTGV);
}
/// GenerateCategory - Build metadata for a category implementation.
@@ -6288,7 +6391,7 @@ llvm::Constant *
CGObjCNonFragileABIMac::EmitProtocolList(Twine Name,
ObjCProtocolDecl::protocol_iterator begin,
ObjCProtocolDecl::protocol_iterator end) {
- llvm::SmallVector<llvm::Constant*, 16> ProtocolRefs;
+ SmallVector<llvm::Constant *, 16> ProtocolRefs;
// Just return null for empty protocol lists
if (begin == end)
@@ -6365,10 +6468,12 @@ LValue CGObjCNonFragileABIMac::EmitObjCValueForIvar(
unsigned CVRQualifiers) {
ObjCInterfaceDecl *ID = ObjectTy->getAs<ObjCObjectType>()->getInterface();
llvm::Value *Offset = EmitIvarOffset(CGF, ID, Ivar);
- if (llvm::LoadInst *LI = dyn_cast<llvm::LoadInst>(Offset))
- LI->setMetadata(CGM.getModule().getMDKindID("invariant.load"),
- llvm::MDNode::get(VMContext,
- ArrayRef<llvm::Value*>()));
+
+ if (IsIvarOffsetKnownIdempotent(CGF, ID, Ivar))
+ if (llvm::LoadInst *LI = cast<llvm::LoadInst>(Offset))
+ LI->setMetadata(CGM.getModule().getMDKindID("invariant.load"),
+ llvm::MDNode::get(VMContext, ArrayRef<llvm::Value*>()));
+
return EmitValueForIvarAtOffset(CGF, ID, BaseValue, Ivar, CVRQualifiers,
Offset);
}
@@ -6530,7 +6635,7 @@ CGObjCNonFragileABIMac::GenerateMessageSend(CodeGen::CodeGenFunction &CGF,
Receiver, CGF.getContext().getObjCIdType(),
false, CallArgs, Method)
: EmitMessageSend(CGF, Return, ResultType,
- EmitSelector(CGF.Builder, Sel),
+ EmitSelector(CGF, Sel),
Receiver, CGF.getContext().getObjCIdType(),
false, CallArgs, Method, ObjCTypes);
}
@@ -6548,7 +6653,7 @@ CGObjCNonFragileABIMac::GetClassGlobal(const std::string &Name) {
return GV;
}
-llvm::Value *CGObjCNonFragileABIMac::EmitClassRefFromId(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::EmitClassRefFromId(CodeGenFunction &CGF,
IdentifierInfo *II) {
llvm::GlobalVariable *&Entry = ClassReferences[II];
@@ -6567,22 +6672,22 @@ llvm::Value *CGObjCNonFragileABIMac::EmitClassRefFromId(CGBuilderTy &Builder,
CGM.AddUsedGlobal(Entry);
}
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
}
-llvm::Value *CGObjCNonFragileABIMac::EmitClassRef(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::EmitClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
- return EmitClassRefFromId(Builder, ID->getIdentifier());
+ return EmitClassRefFromId(CGF, ID->getIdentifier());
}
llvm::Value *CGObjCNonFragileABIMac::EmitNSAutoreleasePoolClassRef(
- CGBuilderTy &Builder) {
+ CodeGenFunction &CGF) {
IdentifierInfo *II = &CGM.getContext().Idents.get("NSAutoreleasePool");
- return EmitClassRefFromId(Builder, II);
+ return EmitClassRefFromId(CGF, II);
}
llvm::Value *
-CGObjCNonFragileABIMac::EmitSuperClassRef(CGBuilderTy &Builder,
+CGObjCNonFragileABIMac::EmitSuperClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
llvm::GlobalVariable *&Entry = SuperClassReferences[ID->getIdentifier()];
@@ -6601,17 +6706,17 @@ CGObjCNonFragileABIMac::EmitSuperClassRef(CGBuilderTy &Builder,
CGM.AddUsedGlobal(Entry);
}
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
}
/// EmitMetaClassRef - Return a Value * of the address of _class_t
/// meta-data
///
-llvm::Value *CGObjCNonFragileABIMac::EmitMetaClassRef(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::EmitMetaClassRef(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
llvm::GlobalVariable * &Entry = MetaClassReferences[ID->getIdentifier()];
if (Entry)
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
std::string MetaClassName(getMetaclassSymbolPrefix() + ID->getNameAsString());
llvm::GlobalVariable *MetaClassGV = GetClassGlobal(MetaClassName);
@@ -6627,12 +6732,12 @@ llvm::Value *CGObjCNonFragileABIMac::EmitMetaClassRef(CGBuilderTy &Builder,
Entry->setSection("__DATA, __objc_superrefs, regular, no_dead_strip");
CGM.AddUsedGlobal(Entry);
- return Builder.CreateLoad(Entry);
+ return CGF.Builder.CreateLoad(Entry);
}
/// GetClass - Return a reference to the class for the given interface
/// decl.
-llvm::Value *CGObjCNonFragileABIMac::GetClass(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::GetClass(CodeGenFunction &CGF,
const ObjCInterfaceDecl *ID) {
if (ID->isWeakImported()) {
std::string ClassName(getClassSymbolPrefix() + ID->getNameAsString());
@@ -6640,7 +6745,7 @@ llvm::Value *CGObjCNonFragileABIMac::GetClass(CGBuilderTy &Builder,
ClassGV->setLinkage(llvm::GlobalValue::ExternalWeakLinkage);
}
- return EmitClassRef(Builder, ID);
+ return EmitClassRef(CGF, ID);
}
/// Generates a message send where the super is the receiver. This is
@@ -6671,9 +6776,9 @@ CGObjCNonFragileABIMac::GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF,
// If this is a class message the metaclass is passed as the target.
llvm::Value *Target;
if (IsClassMessage)
- Target = EmitMetaClassRef(CGF.Builder, Class);
+ Target = EmitMetaClassRef(CGF, Class);
else
- Target = EmitSuperClassRef(CGF.Builder, Class);
+ Target = EmitSuperClassRef(CGF, Class);
// FIXME: We shouldn't need to do this cast, rectify the ASTContext and
// ObjCTypes types.
@@ -6688,12 +6793,12 @@ CGObjCNonFragileABIMac::GenerateMessageSendSuper(CodeGen::CodeGenFunction &CGF,
ObjCSuper, ObjCTypes.SuperPtrCTy,
true, CallArgs, Method)
: EmitMessageSend(CGF, Return, ResultType,
- EmitSelector(CGF.Builder, Sel),
+ EmitSelector(CGF, Sel),
ObjCSuper, ObjCTypes.SuperPtrCTy,
true, CallArgs, Method, ObjCTypes);
}
-llvm::Value *CGObjCNonFragileABIMac::EmitSelector(CGBuilderTy &Builder,
+llvm::Value *CGObjCNonFragileABIMac::EmitSelector(CodeGenFunction &CGF,
Selector Sel, bool lval) {
llvm::GlobalVariable *&Entry = SelectorReferences[Sel];
@@ -6705,13 +6810,14 @@ llvm::Value *CGObjCNonFragileABIMac::EmitSelector(CGBuilderTy &Builder,
new llvm::GlobalVariable(CGM.getModule(), ObjCTypes.SelectorPtrTy, false,
llvm::GlobalValue::InternalLinkage,
Casted, "\01L_OBJC_SELECTOR_REFERENCES_");
+ Entry->setExternallyInitialized(true);
Entry->setSection("__DATA, __objc_selrefs, literal_pointers, no_dead_strip");
CGM.AddUsedGlobal(Entry);
}
if (lval)
return Entry;
- llvm::LoadInst* LI = Builder.CreateLoad(Entry);
+ llvm::LoadInst* LI = CGF.Builder.CreateLoad(Entry);
LI->setMetadata(CGM.getModule().getMDKindID("invariant.load"),
llvm::MDNode::get(VMContext,
@@ -6735,9 +6841,8 @@ void CGObjCNonFragileABIMac::EmitObjCIvarAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall3(ObjCTypes.getGcAssignIvarFn(),
- src, dst, ivarOffset);
- return;
+ llvm::Value *args[] = { src, dst, ivarOffset };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignIvarFn(), args);
}
/// EmitObjCStrongCastAssign - Code gen for assigning to a __strong cast object.
@@ -6756,9 +6861,9 @@ void CGObjCNonFragileABIMac::EmitObjCStrongCastAssign(
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignStrongCastFn(),
- src, dst, "weakassign");
- return;
+ llvm::Value *args[] = { src, dst };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignStrongCastFn(),
+ args, "weakassign");
}
void CGObjCNonFragileABIMac::EmitGCMemmoveCollectable(
@@ -6768,9 +6873,8 @@ void CGObjCNonFragileABIMac::EmitGCMemmoveCollectable(
llvm::Value *Size) {
SrcPtr = CGF.Builder.CreateBitCast(SrcPtr, ObjCTypes.Int8PtrTy);
DestPtr = CGF.Builder.CreateBitCast(DestPtr, ObjCTypes.Int8PtrTy);
- CGF.Builder.CreateCall3(ObjCTypes.GcMemmoveCollectableFn(),
- DestPtr, SrcPtr, Size);
- return;
+ llvm::Value *args[] = { DestPtr, SrcPtr, Size };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.GcMemmoveCollectableFn(), args);
}
/// EmitObjCWeakRead - Code gen for loading value of a __weak
@@ -6782,8 +6886,9 @@ llvm::Value * CGObjCNonFragileABIMac::EmitObjCWeakRead(
llvm::Type* DestTy =
cast<llvm::PointerType>(AddrWeakObj->getType())->getElementType();
AddrWeakObj = CGF.Builder.CreateBitCast(AddrWeakObj, ObjCTypes.PtrObjectPtrTy);
- llvm::Value *read_weak = CGF.Builder.CreateCall(ObjCTypes.getGcReadWeakFn(),
- AddrWeakObj, "weakread");
+ llvm::Value *read_weak =
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcReadWeakFn(),
+ AddrWeakObj, "weakread");
read_weak = CGF.Builder.CreateBitCast(read_weak, DestTy);
return read_weak;
}
@@ -6803,9 +6908,9 @@ void CGObjCNonFragileABIMac::EmitObjCWeakAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignWeakFn(),
- src, dst, "weakassign");
- return;
+ llvm::Value *args[] = { src, dst };
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignWeakFn(),
+ args, "weakassign");
}
/// EmitObjCGlobalAssign - Code gen for assigning to a __strong object.
@@ -6824,13 +6929,13 @@ void CGObjCNonFragileABIMac::EmitObjCGlobalAssign(CodeGen::CodeGenFunction &CGF,
}
src = CGF.Builder.CreateBitCast(src, ObjCTypes.ObjectPtrTy);
dst = CGF.Builder.CreateBitCast(dst, ObjCTypes.PtrObjectPtrTy);
+ llvm::Value *args[] = { src, dst };
if (!threadlocal)
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignGlobalFn(),
- src, dst, "globalassign");
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignGlobalFn(),
+ args, "globalassign");
else
- CGF.Builder.CreateCall2(ObjCTypes.getGcAssignThreadLocalFn(),
- src, dst, "threadlocalassign");
- return;
+ CGF.EmitNounwindRuntimeCall(ObjCTypes.getGcAssignThreadLocalFn(),
+ args, "threadlocalassign");
}
void
@@ -6876,19 +6981,21 @@ void CGObjCNonFragileABIMac::EmitTryStmt(CodeGen::CodeGenFunction &CGF,
/// EmitThrowStmt - Generate code for a throw statement.
void CGObjCNonFragileABIMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
- const ObjCAtThrowStmt &S) {
+ const ObjCAtThrowStmt &S,
+ bool ClearInsertionPoint) {
if (const Expr *ThrowExpr = S.getThrowExpr()) {
llvm::Value *Exception = CGF.EmitObjCThrowOperand(ThrowExpr);
Exception = CGF.Builder.CreateBitCast(Exception, ObjCTypes.ObjectPtrTy);
- CGF.EmitCallOrInvoke(ObjCTypes.getExceptionThrowFn(), Exception)
+ CGF.EmitRuntimeCallOrInvoke(ObjCTypes.getExceptionThrowFn(), Exception)
.setDoesNotReturn();
} else {
- CGF.EmitCallOrInvoke(ObjCTypes.getExceptionRethrowFn())
+ CGF.EmitRuntimeCallOrInvoke(ObjCTypes.getExceptionRethrowFn())
.setDoesNotReturn();
}
CGF.Builder.CreateUnreachable();
- CGF.Builder.ClearInsertionPoint();
+ if (ClearInsertionPoint)
+ CGF.Builder.ClearInsertionPoint();
}
llvm::Constant *
@@ -6946,7 +7053,7 @@ CGObjCNonFragileABIMac::GetInterfaceEHType(const ObjCInterfaceDecl *ID,
ID->getIdentifier()->getName()));
}
- if (CGM.getLangOpts().getVisibilityMode() == HiddenVisibility)
+ if (ID->getVisibility() == HiddenVisibility)
Entry->setVisibility(llvm::GlobalValue::HiddenVisibility);
Entry->setAlignment(CGM.getDataLayout().getABITypeAlignment(
ObjCTypes.EHTypeTy));
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 15:55:31 +0000