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			58 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
		
		
			
		
	
	
			58 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
	
	
|   | ; RUN: opt -mtriple x86_64-unknown-windows-msvc -objc-arc -o - %s | llvm-dis -o - - | FileCheck %s
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|  | 
 | ||
|  | target triple = "x86_64-unknown-windows-msvc" | ||
|  | 
 | ||
|  | declare i32 @__CxxFrameHandler3(...) | ||
|  | 
 | ||
|  | declare dllimport i8* @objc_msgSend(i8*, i8*, ...) local_unnamed_addr | ||
|  | 
 | ||
|  | declare dllimport i8* @objc_retain(i8* returned) local_unnamed_addr | ||
|  | declare dllimport void @objc_release(i8*) local_unnamed_addr | ||
|  | declare dllimport i8* @objc_retainAutoreleasedReturnValue(i8* returned) local_unnamed_addr | ||
|  | 
 | ||
|  | declare dllimport i8* @objc_begin_catch(i8*) local_unnamed_addr | ||
|  | declare dllimport void @objc_end_catch() local_unnamed_addr | ||
|  | 
 | ||
|  | @OBJC_METH_VAR_NAME_ = private unnamed_addr constant [2 x i8] c"m\00", align 1 | ||
|  | @OBJC_SELECTOR_REFERENCES_ = private externally_initialized global i8* getelementptr inbounds ([2 x i8], [2 x i8]* @OBJC_METH_VAR_NAME_, i64 0, i64 0), section ".objc_selrefs$B", align 8 | ||
|  | 
 | ||
|  | define void @f(i8* %i) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { | ||
|  | entry: | ||
|  |   %0 = tail call i8* @objc_retain(i8* %i) | ||
|  |   %1 = load i8*, i8** @OBJC_SELECTOR_REFERENCES_, align 8, !invariant.load !0 | ||
|  |   %call = invoke i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %0, i8* %1) | ||
|  |           to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0 | ||
|  | 
 | ||
|  | catch.dispatch:                                   ; preds = %entry
 | ||
|  |   %2 = catchswitch within none [label %catch] unwind to caller | ||
|  | 
 | ||
|  | invoke.cont:                                      ; preds = %entry
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|  |   %3 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %call) | ||
|  |   tail call void @objc_release(i8* %3) #0, !clang.imprecise_release !0 | ||
|  |   br label %eh.cont | ||
|  | 
 | ||
|  | eh.cont:                                          ; preds = %invoke.cont, %catch
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|  |   tail call void @objc_release(i8* %0) #0, !clang.imprecise_release !0 | ||
|  |   ret void | ||
|  | 
 | ||
|  | catch:                                            ; preds = %catch.dispatch
 | ||
|  |   %4 = catchpad within %2 [i8* null, i32 0, i8* null] | ||
|  |   %exn.adjusted = tail call i8* @objc_begin_catch(i8* undef) | ||
|  |   tail call void @objc_end_catch(), !clang.arc.no_objc_arc_exceptions !0 | ||
|  |   br label %eh.cont | ||
|  | } | ||
|  | 
 | ||
|  | ; CHECK-LABEL: @f
 | ||
|  | 
 | ||
|  | ; CHECK-NOT: tail call i8* @objc_retain(i8* %i)
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|  | ; CHECK: load i8*, i8** @OBJC_SELECTOR_REFERENCES_, align 8
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|  | 
 | ||
|  | ; CHECK: eh.cont:
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|  | ; CHECK-NOT: call void @objc_release(i8*
 | ||
|  | ; CHECK: ret void
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|  | 
 | ||
|  | attributes #0 = { nounwind } | ||
|  | 
 | ||
|  | !0 = !{} | ||
|  | 
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