Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/ObjCARC/retain-not-declared.ll

@@ -1,69 +0,0 @@
-; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-declare i8* @objc_unretainedObject(i8*)
-declare i8* @objc_retainAutoreleasedReturnValue(i8*)
-declare i8* @objc_autoreleaseReturnValue(i8*)
-declare i8* @objc_msgSend(i8*, i8*, ...)
-declare void @objc_release(i8*)
-
-; Test that the optimizer can create an objc_retainAutoreleaseReturnValue
-; declaration even if no objc_retain declaration exists.
-; rdar://9401303
-
-; CHECK:      define i8* @test0(i8* %p) {
-; CHECK-NEXT: entry:
-; CHECK-NEXT:   %0 = tail call i8* @objc_retainAutoreleaseReturnValue(i8* %p) [[NUW:#[0-9]+]]
-; CHECK-NEXT:   ret i8* %0
-; CHECK-NEXT: }
-
-define i8* @test0(i8* %p) {
-entry:
-  %call = tail call i8* @objc_unretainedObject(i8* %p)
-  %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %call) nounwind
-  %1 = tail call i8* @objc_autoreleaseReturnValue(i8* %call) nounwind
-  ret i8* %call
-}
-
-; Properly create the @objc_retain declaration when it doesn't already exist.
-; rdar://9825114
-
-; CHECK-LABEL: @test1(
-; CHECK: @objc_retain(
-; CHECK: @objc_retainAutoreleasedReturnValue(
-; CHECK: @objc_release(
-; CHECK: @objc_release(
-; CHECK: }
-define void @test1(i8* %call88) nounwind personality i32 (...)* @__gxx_personality_v0 {
-entry:
-  %tmp1 = call i8* @objc_retainAutoreleasedReturnValue(i8* %call88) nounwind
-  %call94 = invoke i8* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to i8* (i8*)*)(i8* %tmp1)
-          to label %invoke.cont93 unwind label %lpad91
-
-invoke.cont93:                                    ; preds = %entry
-  %tmp2 = call i8* @objc_retainAutoreleasedReturnValue(i8* %call94) nounwind
-  call void @objc_release(i8* %tmp1) nounwind
-  invoke void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*)*)(i8* %tmp2)
-          to label %invoke.cont102 unwind label %lpad100
-
-invoke.cont102:                                   ; preds = %invoke.cont93
-  call void @objc_release(i8* %tmp2) nounwind, !clang.imprecise_release !0
-  unreachable
-
-lpad91:                                           ; preds = %entry
-  %exn91 = landingpad {i8*, i32}
-              cleanup
-  unreachable
-
-lpad100:                                          ; preds = %invoke.cont93
-  %exn100 = landingpad {i8*, i32}
-              cleanup
-  call void @objc_release(i8* %tmp2) nounwind, !clang.imprecise_release !0
-  unreachable
-}
-
-declare i32 @__gxx_personality_v0(...)
-
-!0 = !{}
-
-; CHECK: attributes [[NUW]] = { nounwind }