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NeXT: Add support for -fobjc-legacy-dispatch.

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llvm-svn: 95005
This commit is contained in:
Daniel Dunbar 2010-02-01 21:07:33 +00:00
parent 2e3f2c805e
commit ca5e3eb7f7
2 changed files with 30 additions and 0 deletions
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4
clang/lib/CodeGen/CGObjCMac.cpp
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@ -21,6 +21,7 @@
#include "clang/AST/RecordLayout.h"
#include "clang/AST/StmtObjC.h"
#include "clang/Basic/LangOptions.h"
#include "clang/CodeGen/CodeGenOptions.h"
#include "llvm/Intrinsics.h"
#include "llvm/LLVMContext.h"
@ -4224,6 +4225,9 @@ void CGObjCNonFragileABIMac::FinishNonFragileABIModule() {
/// message dispatch call for all the rest.
///
bool CGObjCNonFragileABIMac::LegacyDispatchedSelector(Selector Sel) {
if (CGM.getCodeGenOpts().ObjCLegacyDispatch)
return true;
if (NonLegacyDispatchMethods.empty()) {
NonLegacyDispatchMethods.insert(GetNullarySelector("alloc"));
NonLegacyDispatchMethods.insert(GetNullarySelector("class"));

26
clang/test/CodeGenObjC/objc2-legacy-dispatch.m Normal file
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@ -0,0 +1,26 @@
// RUN: %clang_cc1 -fobjc-nonfragile-abi -emit-llvm -o - %s | FileCheck -check-prefix=CHECK_NEW_DISPATCH %s
//
// CHECK_NEW_DISPATCH: define void @f0
// CHECK_NEW_DISPATCH: bitcast {{.*}}objc_msgSend_fixup_alloc
// CHECK_NEW_DISPATCH: define void @f1
// CHECK_NEW_DISPATCH: load {{.*}}OBJC_SELECTOR_REFERENCES
//
// RUN: %clang_cc1 -fobjc-nonfragile-abi -fobjc-legacy-dispatch -emit-llvm -o - %s | FileCheck -check-prefix=CHECK_OLD_DISPATCH %s
//
// CHECK_OLD_DISPATCH: define void @f0
// CHECK_OLD_DISPATCH: load {{.*}}OBJC_SELECTOR_REFERENCES
// CHECK_OLD_DISPATCH: define void @f1
// CHECK_OLD_DISPATCH: load {{.*}}OBJC_SELECTOR_REFERENCES
@interface A
+(id) alloc;
-(int) im0;
@end
void f0(void) {
[A alloc];
}
void f1(A *a) {
[a im0];
}