1 files changed, 48 insertions, 0 deletions
diff --git a/test/Transforms/ObjCARC/post-inlining.ll b/test/Transforms/ObjCARC/post-inlining.ll
new file mode 100644
index 0000000..ad69ccd
--- /dev/null
+++ b/test/Transforms/ObjCARC/post-inlining.ll
@@ -0,0 +1,48 @@
+; RUN: opt -S -objc-arc < %s | FileCheck %s
+
+declare void @use_pointer(i8*)
+declare i8* @returner()
+declare i8* @objc_retain(i8*)
+declare i8* @objc_autoreleaseReturnValue(i8*)
+declare i8* @objc_retainAutoreleasedReturnValue(i8*)
+
+; Clean up residue left behind after inlining.
+
+; CHECK: define void @test0(
+; CHECK: entry:
+; CHECK-NEXT: ret void
+; CHECK-NEXT: }
+define void @test0(i8* %call.i) {
+entry:
+  %0 = tail call i8* @objc_retain(i8* %call.i) nounwind
+  %1 = tail call i8* @objc_autoreleaseReturnValue(i8* %0) nounwind
+  ret void
+}
+
+; Same as test0, but with slightly different use arrangements.
+
+; CHECK: define void @test1(
+; CHECK: entry:
+; CHECK-NEXT: ret void
+; CHECK-NEXT: }
+define void @test1(i8* %call.i) {
+entry:
+  %0 = tail call i8* @objc_retain(i8* %call.i) nounwind
+  %1 = tail call i8* @objc_autoreleaseReturnValue(i8* %call.i) nounwind
+  ret void
+}
+
+; Delete a retainRV+autoreleaseRV even if the pointer is used.
+
+; CHECK: define void @test24(
+; CHECK-NEXT: entry:
+; CHECK-NEXT:   call void @use_pointer(i8* %p)
+; CHECK-NEXT:   ret void
+; CHECK-NEXT: }
+define void @test24(i8* %p) {
+entry:
+  call i8* @objc_autoreleaseReturnValue(i8* %p) nounwind
+  call i8* @objc_retainAutoreleasedReturnValue(i8* %p) nounwind
+  call void @use_pointer(i8* %p)
+  ret void
+}