diff options
Diffstat (limited to 'test/Transforms/ObjCARC/retain-not-declared.ll')
| -rw-r--r-- | test/Transforms/ObjCARC/retain-not-declared.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/ObjCARC/retain-not-declared.ll b/test/Transforms/ObjCARC/retain-not-declared.ll new file mode 100644 index 0000000000..e1fe117063 --- /dev/null +++ b/test/Transforms/ObjCARC/retain-not-declared.ll @@ -0,0 +1,25 @@ +; 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*) + +; CHECK: define i8* @foo(i8* %p) { +; CHECK-NEXT: entry: +; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleaseReturnValue(i8* %p) nounwind +; CHECK-NEXT: ret i8* %0 +; CHECK-NEXT: } + +define i8* @foo(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 +} + |