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https://github.com/c64scene-ar/llvm-6502.git
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fd4ce16b7a
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179745 91177308-0d34-0410-b5e6-96231b3b80d8
84 lines
3.5 KiB
LLVM
84 lines
3.5 KiB
LLVM
; This file consists of various tests which ensure that the objc-arc-annotations
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; are working correctly. In the future, I will use this in other lit tests to
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; check the data flow analysis of ARC.
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; REQUIRES: asserts
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; RUN: opt -S -objc-arc -enable-objc-arc-annotations < %s | FileCheck %s
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declare i8* @objc_retain(i8*)
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declare i8* @objc_retainAutoreleasedReturnValue(i8*)
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declare void @objc_release(i8*)
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declare i8* @objc_autorelease(i8*)
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declare i8* @objc_autoreleaseReturnValue(i8*)
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declare void @objc_autoreleasePoolPop(i8*)
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declare i8* @objc_autoreleasePoolPush()
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declare i8* @objc_retainBlock(i8*)
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declare i8* @objc_retainedObject(i8*)
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declare i8* @objc_unretainedObject(i8*)
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declare i8* @objc_unretainedPointer(i8*)
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declare void @use_pointer(i8*)
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declare void @callee()
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declare void @callee_fnptr(void ()*)
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declare void @invokee()
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declare i8* @returner()
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; Simple retain+release pair deletion, with some intervening control
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; flow and harmless instructions.
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; CHECK: define void @test0(
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; CHECK: entry:
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_None)
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; CHECK: %0 = tail call i8* @objc_retain(i8* %a) #0, !llvm.arc.annotation.bottomup ![[ANN0:[0-9]+]], !llvm.arc.annotation.topdown ![[ANN1:[0-9]+]]
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_Use)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_Retain)
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; CHECK: t:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_Retain)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_Use)
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; CHECK: store float 2.000000e+00, float* %b, !llvm.arc.annotation.bottomup ![[ANN2:[0-9]+]]
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_Release)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_Retain)
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; CHECK: f:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_Retain)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_Use)
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; CHECK: store i32 7, i32* %x, !llvm.arc.annotation.bottomup ![[ANN2]]
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_Release)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_Retain)
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; CHECK: return:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_Retain)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_Release)
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; CHECK: call void @objc_release(i8* %c) #0, !llvm.arc.annotation.bottomup ![[ANN3:[0-9]+]], !llvm.arc.annotation.topdown ![[ANN4:[0-9]+]]
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_None)
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; CHECK: }
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define void @test0(i32* %x, i1 %p) nounwind {
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entry:
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%a = bitcast i32* %x to i8*
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%0 = call i8* @objc_retain(i8* %a) nounwind
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br i1 %p, label %t, label %f
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t:
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store i8 3, i8* %a
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%b = bitcast i32* %x to float*
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store float 2.0, float* %b
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br label %return
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f:
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store i32 7, i32* %x
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br label %return
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return:
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%c = bitcast i32* %x to i8*
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call void @objc_release(i8* %c) nounwind
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ret void
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}
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!0 = metadata !{}
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; CHECK: ![[ANN0]] = metadata !{metadata !"(test0,%x)", metadata !"S_Use", metadata !"S_None"}
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; CHECK: ![[ANN1]] = metadata !{metadata !"(test0,%x)", metadata !"S_None", metadata !"S_Retain"}
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; CHECK: ![[ANN2]] = metadata !{metadata !"(test0,%x)", metadata !"S_Release", metadata !"S_Use"}
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; CHECK: ![[ANN3]] = metadata !{metadata !"(test0,%x)", metadata !"S_None", metadata !"S_Release"}
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; CHECK: ![[ANN4]] = metadata !{metadata !"(test0,%x)", metadata !"S_Retain", metadata !"S_None"}
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