Mercurial > hg > CbC > CbC_llvm
view llvm/test/Transforms/ObjCARC/opt-catchswitch.ll @ 201:a96fbbdf2d0f
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 04 Jun 2021 21:07:06 +0900 |
parents | 1d019706d866 |
children | 2e18cbf3894f |
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; RUN: opt -S -objc-arc < %s | FileCheck %s target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" target triple = "i686--windows-msvc" declare i8* @f(i8*, i8*) declare i32 @__CxxFrameHandler3(...) declare dllimport i8* @llvm.objc.autoreleaseReturnValue(i8* returned) declare dllimport i8* @llvm.objc.retain(i8* returned) declare dllimport i8* @llvm.objc.retainAutoreleasedReturnValue(i8* returned) declare dllimport void @llvm.objc.release(i8*) define i8* @g(i8* %p, i8* %q) local_unnamed_addr personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %0 = tail call i8* @llvm.objc.retain(i8* %p) #0 %1 = tail call i8* @llvm.objc.retain(i8* %q) #0 %call = invoke i8* @f(i8* %p, i8* %q) to label %invoke.cont unwind label %catch.dispatch, !clang.arc.no_objc_arc_exceptions !0 catch.dispatch: %2 = catchswitch within none [label %catch] unwind to caller catch: %3 = catchpad within %2 [i8* null, i32 64, i8* null] catchret from %3 to label %cleanup invoke.cont: %4 = tail call i8* @llvm.objc.retainAutoreleasedReturnValue(i8* %call) #0 br label %cleanup cleanup: %retval.0 = phi i8* [ %call, %invoke.cont ], [ null, %catch ] tail call void @llvm.objc.release(i8* %q) #0, !clang.imprecise_release !0 tail call void @llvm.objc.release(i8* %p) #0, !clang.imprecise_release !0 %5 = tail call i8* @llvm.objc.autoreleaseReturnValue(i8* %retval.0) #0 ret i8* %retval.0 } ; CHECK-LABEL: entry: ; CHECK-NEXT: %0 = tail call i8* @llvm.objc.retain(i8* %p) #0 ; CHECK-NEXT: %call = invoke i8* @f(i8* %p, i8* %q) ; CHECK-NEXT: to label %invoke.cont unwind label %catch.dispatch ; CHECK-LABEL: catch.dispatch: ; CHECK-NEXT: %1 = catchswitch within none [label %catch] unwind to caller ; CHECK-LABEL: cleanup: ; CHECK: tail call void @llvm.objc.release(i8* %p) #0 attributes #0 = { nounwind } !0 = !{}