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-fapple-kext, elimination of all direct calls to virtual dtors.

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llvm-svn: 124757
This commit is contained in:
Fariborz Jahanian
2011-02-02 23:12:46 +00:00
parent 84ffdd9ba3
commit 0c12ed1429
2 changed files with 23 additions and 0 deletions
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4
clang/lib/CodeGen/CGClass.cpp
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@@ -796,6 +796,10 @@ void CodeGenFunction::EmitDestructorBody(FunctionArgList &Args) {
assert(Dtor->isImplicit() && "bodyless dtor not implicit");
// nothing to do besides what's in the epilogue
}
// -fapple-kext must inline any call to this dtor into
// the caller's body.
if (getContext().getLangOptions().AppleKext)
CurFn->addFnAttr(llvm::Attribute::AlwaysInline);
break;
}

19
clang/test/CodeGenCXX/apple-kext-indirect-virtual-dtor-call.cpp Normal file
View File

@@ -0,0 +1,19 @@
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fapple-kext -fno-rtti -emit-llvm -o - %s | FileCheck %s
// CHECK: define void @_ZN2B1D0Ev
// CHECK: [[T1:%.*]] = load void (%struct.B1*)** getelementptr inbounds (void (%struct.B1*)** bitcast ([5 x i8*]* @_ZTV2B1 to void (%struct.B1*)**), i64 2)
// CHECK-NEXT: call void [[T1]](%struct.B1* [[T2:%.*]])
// CHECK: define void @_Z6DELETEP2B1
// CHECK: [[T3:%.*]] = load void (%struct.B1*)** getelementptr inbounds (void (%struct.B1*)** bitcast ([5 x i8*]* @_ZTV2B1 to void (%struct.B1*)**), i64 2)
// CHECK-NEXT: call void [[T3]](%struct.B1* [[T4:%.*]])
struct B1 {
virtual ~B1();
};
B1::~B1() {}
void DELETE(B1 *pb1) {
pb1->B1::~B1();
}