X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FTransforms%2FObjCARC%2Fretain-not-declared.ll;h=3a2bd03692e1b0c9d730ea51425c5a84db54280e;hb=b55dcfe47fbbcfc1dccd07cb27c02b9a86533d05;hp=e1fe1170633c92f6193e57ca0db1d66df975cc1e;hpb=9fbd318d36e618fb08fb53bb48b7c848e617a8a7;p=oota-llvm.git

diff --git a/test/Transforms/ObjCARC/retain-not-declared.ll b/test/Transforms/ObjCARC/retain-not-declared.ll
index e1fe1170633..3a2bd03692e 100644
--- a/test/Transforms/ObjCARC/retain-not-declared.ll
+++ b/test/Transforms/ObjCARC/retain-not-declared.ll
@@ -1,25 +1,69 @@
 ; RUN: opt -S -objc-arc -objc-arc-contract < %s | FileCheck %s
 
-; Test that the optimizer can create an objc_retainAutoreleaseReturnValue
-; declaration even if no objc_retain declaration exists.
-; rdar://9401303
-
 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*)
 
-; CHECK:      define i8* @foo(i8* %p) {
+; 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) nounwind
+; CHECK-NEXT:   %0 = tail call i8* @objc_retainAutoreleaseReturnValue(i8* %p) [[NUW:#[0-9]+]]
 ; CHECK-NEXT:   ret i8* %0
 ; CHECK-NEXT: }
 
-define i8* @foo(i8* %p) {
+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* %0) nounwind
-  ret i8* %1
+  %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 {
+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} personality i32 (...)* @__gxx_personality_v0
+              cleanup
+  unreachable
+
+lpad100:                                          ; preds = %invoke.cont93
+  %exn100 = landingpad {i8*, i32} personality i32 (...)* @__gxx_personality_v0
+              cleanup
+  call void @objc_release(i8* %tmp2) nounwind, !clang.imprecise_release !0
+  unreachable
 }
 
+declare i32 @__gxx_personality_v0(...)
+
+!0 = metadata !{}
+
+; CHECK: attributes [[NUW]] = { nounwind }