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-rw-r--r--lib/CodeGen/CGObjC.cpp20
1 files changed, 14 insertions, 6 deletions
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index f1047bd3b9..b62dffc255 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -1690,9 +1690,10 @@ static llvm::Constant *createARCRuntimeFunction(CodeGenModule &CGM,
StringRef fnName) {
llvm::Constant *fn = CGM.CreateRuntimeFunction(type, fnName);
- // In -fobjc-no-arc-runtime, emit weak references to the runtime
- // support library.
- if (!CGM.getCodeGenOpts().ObjCRuntimeHasARC)
+ // If the target runtime doesn't naturally support ARC, emit weak
+ // references to the runtime support library. We don't really
+ // permit this to fail, but we need a particular relocation style.
+ if (!CGM.getLangOpts().ObjCRuntime.hasARC())
if (llvm::Function *f = dyn_cast<llvm::Function>(fn))
f->setLinkage(llvm::Function::ExternalWeakLinkage);
@@ -2722,7 +2723,7 @@ void CodeGenFunction::EmitObjCAutoreleasePoolStmt(
// Keep track of the current cleanup stack depth.
RunCleanupsScope Scope(*this);
- if (CGM.getCodeGenOpts().ObjCRuntimeHasARC) {
+ if (CGM.getLangOpts().ObjCRuntime.hasARC()) {
llvm::Value *token = EmitObjCAutoreleasePoolPush();
EHStack.pushCleanup<CallObjCAutoreleasePoolObject>(NormalCleanup, token);
} else {
@@ -2754,6 +2755,11 @@ void CodeGenFunction::EmitExtendGCLifetime(llvm::Value *object) {
Builder.CreateCall(extender, object)->setDoesNotThrow();
}
+static bool hasAtomicCopyHelperAPI(const ObjCRuntime &runtime) {
+ // For now, only NeXT has these APIs.
+ return runtime.isNeXTFamily();
+}
+
/// GenerateObjCAtomicSetterCopyHelperFunction - Given a c++ object type with
/// non-trivial copy assignment function, produce following helper function.
/// static void copyHelper(Ty *dest, const Ty *source) { *dest = *source; }
@@ -2762,7 +2768,8 @@ llvm::Constant *
CodeGenFunction::GenerateObjCAtomicSetterCopyHelperFunction(
const ObjCPropertyImplDecl *PID) {
// FIXME. This api is for NeXt runtime only for now.
- if (!getLangOpts().CPlusPlus || !getLangOpts().NeXTRuntime)
+ if (!getLangOpts().CPlusPlus ||
+ !hasAtomicCopyHelperAPI(getLangOpts().ObjCRuntime))
return 0;
QualType Ty = PID->getPropertyIvarDecl()->getType();
if (!Ty->isRecordType())
@@ -2846,7 +2853,8 @@ llvm::Constant *
CodeGenFunction::GenerateObjCAtomicGetterCopyHelperFunction(
const ObjCPropertyImplDecl *PID) {
// FIXME. This api is for NeXt runtime only for now.
- if (!getLangOpts().CPlusPlus || !getLangOpts().NeXTRuntime)
+ if (!getLangOpts().CPlusPlus ||
+ !hasAtomicCopyHelperAPI(getLangOpts().ObjCRuntime))
return 0;
const ObjCPropertyDecl *PD = PID->getPropertyDecl();
QualType Ty = PD->getType();