diff options
Diffstat (limited to 'test/Transforms/ObjCARC/rv.ll')
-rw-r--r-- | test/Transforms/ObjCARC/rv.ll | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/test/Transforms/ObjCARC/rv.ll b/test/Transforms/ObjCARC/rv.ll index 9353a19..589c60f 100644 --- a/test/Transforms/ObjCARC/rv.ll +++ b/test/Transforms/ObjCARC/rv.ll @@ -29,7 +29,7 @@ declare i8* @returner() ; CHECK: define void @test0( ; CHECK-NEXT: entry: ; CHECK-NEXT: %x = call i8* @returner -; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %x) nounwind +; CHECK-NEXT: %0 = tail call i8* @objc_retainAutoreleasedReturnValue(i8* %x) [[NUW:#[0-9]+]] ; CHECK: t: ; CHECK-NOT: @objc_ ; CHECK: return: @@ -121,7 +121,7 @@ define i8* @test7() { %p = call i8* @returner() call i8* @objc_retainAutoreleasedReturnValue(i8* %p) %t = call i8* @objc_autoreleaseReturnValue(i8* %p) - call void @use_pointer(i8* %t) + call void @use_pointer(i8* %p) ret i8* %t } @@ -133,7 +133,7 @@ define i8* @test7b() { call void @use_pointer(i8* %p) call i8* @objc_retainAutoreleasedReturnValue(i8* %p) %t = call i8* @objc_autoreleaseReturnValue(i8* %p) - ret i8* %t + ret i8* %p } ; Turn objc_retain into objc_retainAutoreleasedReturnValue if its operand @@ -150,17 +150,17 @@ define void @test8() { ; Don't apply the RV optimization to autorelease if there's no retain. ; CHECK: define i8* @test9(i8* %p) -; CHECK: tail call i8* @objc_autorelease(i8* %p) +; CHECK: call i8* @objc_autorelease(i8* %p) define i8* @test9(i8* %p) { call i8* @objc_autorelease(i8* %p) ret i8* %p } -; Apply the RV optimization. +; Do not apply the RV optimization. ; CHECK: define i8* @test10(i8* %p) -; CHECK: tail call i8* @objc_retain(i8* %p) nounwind -; CHECK: tail call i8* @objc_autoreleaseReturnValue(i8* %p) nounwind +; CHECK: tail call i8* @objc_retain(i8* %p) [[NUW]] +; CHECK: call i8* @objc_autorelease(i8* %p) [[NUW]] ; CHECK-NEXT: ret i8* %p define i8* @test10(i8* %p) { %1 = call i8* @objc_retain(i8* %p) @@ -174,7 +174,7 @@ define i8* @test10(i8* %p) { ; CHECK: define i8* @test11(i8* %p) ; CHECK: tail call i8* @objc_retain(i8* %p) ; CHECK-NEXT: call void @use_pointer(i8* %p) -; CHECK: tail call i8* @objc_autorelease(i8* %p) +; CHECK: call i8* @objc_autorelease(i8* %p) ; CHECK-NEXT: ret i8* %p define i8* @test11(i8* %p) { %1 = call i8* @objc_retain(i8* %p) @@ -201,7 +201,7 @@ define i8* @test12(i8* %p) { ; CHECK: define i8* @test13( ; CHECK: tail call i8* @objc_retainAutoreleasedReturnValue(i8* %p) -; CHECK: tail call i8* @objc_autorelease(i8* %p) +; CHECK: call i8* @objc_autorelease(i8* %p) ; CHECK: ret i8* %p define i8* @test13() { %p = call i8* @returner() @@ -215,7 +215,7 @@ define i8* @test13() { ; argument is not a return value. ; CHECK: define void @test14( -; CHECK-NEXT: tail call i8* @objc_retain(i8* %p) nounwind +; CHECK-NEXT: tail call i8* @objc_retain(i8* %p) [[NUW]] ; CHECK-NEXT: ret void define void @test14(i8* %p) { call i8* @objc_retainAutoreleasedReturnValue(i8* %p) @@ -227,7 +227,7 @@ define void @test14(i8* %p) { ; CHECK: define void @test15( ; CHECK-NEXT: %y = call i8* @returner() -; CHECK-NEXT: tail call i8* @objc_retainAutoreleasedReturnValue(i8* %y) nounwind +; CHECK-NEXT: tail call i8* @objc_retainAutoreleasedReturnValue(i8* %y) [[NUW]] ; CHECK-NEXT: ret void define void @test15() { %y = call i8* @returner() @@ -240,7 +240,7 @@ define void @test15() { ; CHECK: define void @test16( ; CHECK-NEXT: %y = call i8* @returner() -; CHECK-NEXT: tail call i8* @objc_retainAutoreleasedReturnValue(i8* %y) nounwind +; CHECK-NEXT: tail call i8* @objc_retainAutoreleasedReturnValue(i8* %y) [[NUW]] ; CHECK-NEXT: ret void define void @test16() { %y = call i8* @returner() @@ -252,7 +252,7 @@ define void @test16() { ; argument is not a return value. ; CHECK: define void @test17( -; CHECK-NEXT: tail call i8* @objc_retain(i8* %y) nounwind +; CHECK-NEXT: tail call i8* @objc_retain(i8* %y) [[NUW]] ; CHECK-NEXT: ret void define void @test17(i8* %y) { call i8* @objc_retain(i8* %y) @@ -265,7 +265,7 @@ define void @test17(i8* %y) { ; CHECK: define void @test18( ; CHECK-NEXT: %y = call i8* @returner() ; CHECK-NEXT: call void @callee() -; CHECK-NEXT: tail call i8* @objc_retain(i8* %y) nounwind +; CHECK-NEXT: tail call i8* @objc_retain(i8* %y) [[NUW]] ; CHECK-NEXT: ret void define void @test18() { %y = call i8* @returner() @@ -323,7 +323,7 @@ define i8* @test22(i8* %p) { ; Convert autoreleaseRV to autorelease. ; CHECK: define void @test23( -; CHECK: tail call i8* @objc_autorelease(i8* %p) nounwind +; CHECK: call i8* @objc_autorelease(i8* %p) [[NUW]] define void @test23(i8* %p) { store i8 0, i8* %p call i8* @objc_autoreleaseReturnValue(i8* %p) @@ -340,3 +340,5 @@ define {}* @test24(i8* %p) { %s = bitcast i8* %p to {}* ret {}* %s } + +; CHECK: attributes [[NUW]] = { nounwind } |