| Saleem Abdulrasool | 619b326 | 2017-10-24 00:09:10 +0000 | [diff] [blame^] | 1 | ; RUN: opt -mtriple x86_64-unknown-windows-msvc -objc-arc -o - %s | llvm-dis -o - - | FileCheck %s |
| 2 | |
| 3 | target triple = "x86_64-unknown-windows-msvc" |
| 4 | |
| 5 | declare i32 @__CxxFrameHandler3(...) |
| 6 | |
| 7 | declare dllimport i8* @objc_msgSend(i8*, i8*, ...) local_unnamed_addr |
| 8 | |
| 9 | declare dllimport i8* @objc_retain(i8* returned) local_unnamed_addr |
| 10 | declare dllimport void @objc_release(i8*) local_unnamed_addr |
| 11 | declare dllimport i8* @objc_retainAutoreleasedReturnValue(i8* returned) local_unnamed_addr |
| 12 | |
| 13 | declare dllimport i8* @objc_begin_catch(i8*) local_unnamed_addr |
| 14 | declare dllimport void @objc_end_catch() local_unnamed_addr |
| 15 | |
| 16 | @OBJC_METH_VAR_NAME_ = private unnamed_addr constant [2 x i8] c"m\00", align 1 |
| 17 | @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 |
| 18 | |
| 19 | define void @f(i8* %i) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { |
| 20 | entry: |
| 21 | %0 = tail call i8* @objc_retain(i8* %i) |
| 22 | %1 = load i8*, i8** @OBJC_SELECTOR_REFERENCES_, align 8, !invariant.load !0 |
| 23 | %call = invoke i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*, i8*)*)(i8* %0, i8* %1) |
| 24 | to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0 |
| 25 | |
| 26 | catch.dispatch: ; preds = %entry |
| 27 | %2 = catchswitch within none [label %catch] unwind to caller |
| 28 | |
| 29 | invoke.cont: ; preds = %entry |
| 30 | %3 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %call) |
| 31 | tail call void @objc_release(i8* %3) #0, !clang.imprecise_release !0 |
| 32 | br label %eh.cont |
| 33 | |
| 34 | eh.cont: ; preds = %invoke.cont, %catch |
| 35 | tail call void @objc_release(i8* %0) #0, !clang.imprecise_release !0 |
| 36 | ret void |
| 37 | |
| 38 | catch: ; preds = %catch.dispatch |
| 39 | %4 = catchpad within %2 [i8* null, i32 0, i8* null] |
| 40 | %exn.adjusted = tail call i8* @objc_begin_catch(i8* undef) |
| 41 | tail call void @objc_end_catch(), !clang.arc.no_objc_arc_exceptions !0 |
| 42 | br label %eh.cont |
| 43 | } |
| 44 | |
| 45 | ; CHECK-LABEL: @f |
| 46 | |
| 47 | ; CHECK-NOT: tail call i8* @objc_retain(i8* %i) |
| 48 | ; CHECK: load i8*, i8** @OBJC_SELECTOR_REFERENCES_, align 8 |
| 49 | |
| 50 | ; CHECK: eh.cont: |
| 51 | ; CHECK-NOT: call void @objc_release(i8* |
| 52 | ; CHECK: ret void |
| 53 | |
| 54 | attributes #0 = { nounwind } |
| 55 | |
| 56 | !0 = !{} |
| 57 | |