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Added back in the test for arc-annotations.
The test was removed since I had not turned off the test during release builds. This fails since ARC annotations support is conditionally compiled out during release builds. I added the proper requires header to assuage this issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178101 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Gottesman
parent
342d92c7a0
commit
d841d6f71e
307
test/Transforms/ObjCARC/arc-annotations.ll
Normal file
307
test/Transforms/ObjCARC/arc-annotations.ll
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@ -0,0 +1,307 @@
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; 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 !0, !llvm.arc.annotation.topdown !1
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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 !2
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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 !2
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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 !3, !llvm.arc.annotation.topdown !4
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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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; Like test0 but the release isn't always executed when the retain is,
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; so the optimization is not safe.
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; TODO: Make the objc_release's argument be %0.
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; CHECK: define void @test1(
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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 !5, !llvm.arc.annotation.topdown !6
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_None)
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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 !7
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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_None)
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; CHECK: call void @callee(), !llvm.arc.annotation.topdown !8
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_None)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_CanRelease)
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; CHECK: return:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_None)
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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 !9
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_None)
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; CHECK: alt_return:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_None)
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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 @test1(i32* %x, i1 %p, i1 %q) 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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call void @callee()
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br i1 %q, label %return, label %alt_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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alt_return:
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ret void
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}
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; Don't do partial elimination into two different CFG diamonds.
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; CHECK: define void @test1b(
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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* %x) #0, !llvm.arc.annotation.bottomup !10, !llvm.arc.annotation.topdown !11
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_None)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_Retain)
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; CHECK: if.then:
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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_CanRelease)
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; CHECK: tail call void @callee(), !llvm.arc.annotation.bottomup !12, !llvm.arc.annotation.topdown !13
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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_CanRelease)
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; CHECK: if.end:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_CanRelease)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_Use)
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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_CanRelease)
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; CHECK: if.then3:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_CanRelease)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_Use)
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; CHECK: tail call void @use_pointer(i8* %x), !llvm.arc.annotation.bottomup !14, !llvm.arc.annotation.topdown !15
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_MovableRelease)
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_Use)
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; CHECK: if.end5:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_None)
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; CHECK: call void @llvm.arc.annotation.bottomup.bbstart(i8** @x, i8** @S_MovableRelease)
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; CHECK: tail call void @objc_release(i8* %x) #0, !clang.imprecise_release !16, !llvm.arc.annotation.bottomup !17
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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 @test1b(i8* %x, i1 %p, i1 %q) {
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entry:
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tail call i8* @objc_retain(i8* %x) nounwind
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br i1 %p, label %if.then, label %if.end
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if.then: ; preds = %entry
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tail call void @callee()
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br label %if.end
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if.end: ; preds = %if.then, %entry
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br i1 %q, label %if.then3, label %if.end5
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if.then3: ; preds = %if.end
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tail call void @use_pointer(i8* %x)
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br label %if.end5
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if.end5: ; preds = %if.then3, %if.end
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tail call void @objc_release(i8* %x) nounwind, !clang.imprecise_release !0
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ret void
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}
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; Like test0 but the pointer is passed to an intervening call,
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; so the optimization is not safe.
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; CHECK: define void @test2(
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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: %e = tail call i8* @objc_retain(i8* %a) #0, !llvm.arc.annotation.bottomup !18, !llvm.arc.annotation.topdown !19
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; CHECK: call void @llvm.arc.annotation.bottomup.bbend(i8** @x, i8** @S_CanRelease)
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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 !20
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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_CanRelease)
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; CHECK: call void @use_pointer(i8* %e), !llvm.arc.annotation.bottomup !21, !llvm.arc.annotation.topdown !22
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; CHECK: store float 3.000000e+00, float* %d, !llvm.arc.annotation.bottomup !20, !llvm.arc.annotation.topdown !23
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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_Use)
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; CHECK: return:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_Use)
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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 !24, !llvm.arc.annotation.topdown !25
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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 @test2(i32* %x, i1 %p) nounwind {
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entry:
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%a = bitcast i32* %x to i8*
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%e = 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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call void @use_pointer(i8* %e)
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%d = bitcast i32* %x to float*
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store float 3.0, float* %d
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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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; Like test0 but the release is in a loop,
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; so the optimization is not safe.
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; TODO: For now, assume this can't happen.
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; CHECK: define void @test3(
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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: tail call i8* @objc_retain(i8* %a) #0, !llvm.arc.annotation.bottomup !26, !llvm.arc.annotation.topdown !27
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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: loop:
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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 !28, !llvm.arc.annotation.topdown !29
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; CHECK: call void @llvm.arc.annotation.topdown.bbend(i8** @x, i8** @S_None)
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; CHECK: return:
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; CHECK: call void @llvm.arc.annotation.topdown.bbstart(i8** @x, i8** @S_None)
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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 @test3(i32* %x, i1* %q) 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 label %loop
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loop:
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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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%j = load volatile i1* %q
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br i1 %j, label %loop, label %return
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return:
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ret void
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}
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!0 = metadata !{}
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; CHECK: !0 = metadata !{metadata !"(test0,%x)", metadata !"S_Use", metadata !"S_None"}
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; CHECK: !1 = metadata !{metadata !"(test0,%x)", metadata !"S_None", metadata !"S_Retain"}
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; CHECK: !2 = metadata !{metadata !"(test0,%x)", metadata !"S_Release", metadata !"S_Use"}
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; CHECK: !3 = metadata !{metadata !"(test0,%x)", metadata !"S_None", metadata !"S_Release"}
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; CHECK: !4 = metadata !{metadata !"(test0,%x)", metadata !"S_Retain", metadata !"S_None"}
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; CHECK: !5 = metadata !{metadata !"(test1,%x)", metadata !"S_None", metadata !"S_None"}
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; CHECK: !6 = metadata !{metadata !"(test1,%x)", metadata !"S_None", metadata !"S_Retain"}
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; CHECK: !7 = metadata !{metadata !"(test1,%x)", metadata !"S_Release", metadata !"S_Use"}
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; CHECK: !8 = metadata !{metadata !"(test1,%x)", metadata !"S_Retain", metadata !"S_CanRelease"}
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; CHECK: !9 = metadata !{metadata !"(test1,%x)", metadata !"S_None", metadata !"S_Release"}
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; CHECK: !10 = metadata !{metadata !"(test1b,%x)", metadata !"S_None", metadata !"S_None"}
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; CHECK: !11 = metadata !{metadata !"(test1b,%x)", metadata !"S_None", metadata !"S_Retain"}
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; CHECK: !12 = metadata !{metadata !"(test1b,%x)", metadata !"S_Use", metadata !"S_CanRelease"}
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; CHECK: !13 = metadata !{metadata !"(test1b,%x)", metadata !"S_Retain", metadata !"S_CanRelease"}
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; CHECK: !14 = metadata !{metadata !"(test1b,%x)", metadata !"S_MovableRelease", metadata !"S_Use"}
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; CHECK: !15 = metadata !{metadata !"(test1b,%x)", metadata !"S_CanRelease", metadata !"S_Use"}
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; CHECK: !16 = metadata !{}
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; CHECK: !17 = metadata !{metadata !"(test1b,%x)", metadata !"S_None", metadata !"S_MovableRelease"}
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; CHECK: !18 = metadata !{metadata !"(test2,%x)", metadata !"S_CanRelease", metadata !"S_None"}
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; CHECK: !19 = metadata !{metadata !"(test2,%x)", metadata !"S_None", metadata !"S_Retain"}
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; CHECK: !20 = metadata !{metadata !"(test2,%x)", metadata !"S_Release", metadata !"S_Use"}
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; CHECK: !21 = metadata !{metadata !"(test2,%x)", metadata !"S_Use", metadata !"S_CanRelease"}
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; CHECK: !22 = metadata !{metadata !"(test2,%x)", metadata !"S_Retain", metadata !"S_CanRelease"}
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; CHECK: !23 = metadata !{metadata !"(test2,%x)", metadata !"S_CanRelease", metadata !"S_Use"}
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; CHECK: !24 = metadata !{metadata !"(test2,%x)", metadata !"S_None", metadata !"S_Release"}
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; CHECK: !25 = metadata !{metadata !"(test2,%x)", metadata !"S_Use", metadata !"S_None"}
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; CHECK: !26 = metadata !{metadata !"(test3,%x)", metadata !"S_Release", metadata !"S_None"}
|
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; CHECK: !27 = metadata !{metadata !"(test3,%x)", metadata !"S_None", metadata !"S_Retain"}
|
||||
; CHECK: !28 = metadata !{metadata !"(test3,%x)", metadata !"S_None", metadata !"S_Release"}
|
||||
; CHECK: !29 = metadata !{metadata !"(test3,%x)", metadata !"S_Retain", metadata !"S_None"}
|
||||
|
||||
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Reference in New Issue
Block a user