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[objc-arc] Check that objc-arc-expand properly handles all strictly forwarding calls and does not touch calls which are not strictly forwarding (i.e. objc_retainBlock).

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179972 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman 2013-04-21 01:57:46 +00:00
parent 755aabc04e
commit bf9cac7ebb
1 changed files with 72 additions and 6 deletions
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78
test/Transforms/ObjCARC/expand.ll
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@ -4,25 +4,91 @@ target datalayout = "e-p:64:64:64"
declare i8* @objc_retain(i8*)
declare i8* @objc_autorelease(i8*)
declare i8* @objc_retainAutoreleasedReturnValue(i8*)
declare i8* @objc_autoreleaseReturnValue(i8*)
declare i8* @objc_retainAutorelease(i8*)
declare i8* @objc_retainAutoreleaseReturnValue(i8*)
declare i8* @objc_retainBlock(i8*)
declare void @use_pointer(i8*)
; CHECK: define void @test0
; CHECK: define void @test_retain(i8* %x) [[NUW:#[0-9]+]] {
; CHECK: call i8* @objc_retain(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test0(i8* %x) nounwind {
define void @test_retain(i8* %x) nounwind {
entry:
%0 = call i8* @objc_retain(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
; CHECK: define void @test1
; CHECK: define void @test_retainAutoreleasedReturnValue(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_retainAutoreleasedReturnValue(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test1(i8* %x) nounwind {
define void @test_retainAutoreleasedReturnValue(i8* %x) nounwind {
entry:
%0 = call i8* @objc_autorelease(i8* %x) nounwind
call void @use_pointer(i8* %x)
%0 = call i8* @objc_retainAutoreleasedReturnValue(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
; CHECK: define void @test_retainAutorelease(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_retainAutorelease(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test_retainAutorelease(i8* %x) nounwind {
entry:
%0 = call i8* @objc_retainAutorelease(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
; CHECK: define void @test_retainAutoreleaseReturnValue(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_retainAutoreleaseReturnValue(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test_retainAutoreleaseReturnValue(i8* %x) nounwind {
entry:
%0 = call i8* @objc_retainAutoreleaseReturnValue(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
; CHECK: define void @test_autorelease(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_autorelease(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test_autorelease(i8* %x) nounwind {
entry:
%0 = call i8* @objc_autorelease(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
; CHECK: define void @test_autoreleaseReturnValue(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_autoreleaseReturnValue(i8* %x)
; CHECK: call void @use_pointer(i8* %x)
; CHECK: }
define void @test_autoreleaseReturnValue(i8* %x) nounwind {
entry:
%0 = call i8* @objc_autoreleaseReturnValue(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; RetainBlock is not strictly forwarding. Do not touch it. ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; CHECK: define void @test_retainBlock(i8* %x) [[NUW]] {
; CHECK: call i8* @objc_retainBlock(i8* %x)
; CHECK: call void @use_pointer(i8* %0)
; CHECK: }
define void @test_retainBlock(i8* %x) nounwind {
entry:
%0 = call i8* @objc_retainBlock(i8* %x) nounwind
call void @use_pointer(i8* %0)
ret void
}