78e1f70220
This is what CreateNonTerminatorUnreachable() in InstCombine uses. Specific choice here doesn't really matter, but we should pick one that is pointer element type independent.
61 lines
2.4 KiB
LLVM
61 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -objc-arc -S < %s | FileCheck %s
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declare i8* @llvm.objc.initWeak(i8**, i8*)
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declare i8* @llvm.objc.storeWeak(i8**, i8*)
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declare i8* @llvm.objc.loadWeak(i8**)
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declare void @llvm.objc.destroyWeak(i8**)
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declare i8* @llvm.objc.loadWeakRetained(i8**)
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declare void @llvm.objc.moveWeak(i8**, i8**)
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declare void @llvm.objc.copyWeak(i8**, i8**)
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; If the pointer-to-weak-pointer is null, it's undefined behavior.
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define void @test0(i8* %p, i8** %q) {
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; CHECK-LABEL: @test0(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: store i1 true, i1* undef, align 1
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; CHECK-NEXT: ret void
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;
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entry:
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call i8* @llvm.objc.storeWeak(i8** null, i8* %p)
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call i8* @llvm.objc.storeWeak(i8** undef, i8* %p)
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call i8* @llvm.objc.loadWeakRetained(i8** null)
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call i8* @llvm.objc.loadWeakRetained(i8** undef)
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call i8* @llvm.objc.loadWeak(i8** null)
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call i8* @llvm.objc.loadWeak(i8** undef)
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call i8* @llvm.objc.initWeak(i8** null, i8* %p)
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call i8* @llvm.objc.initWeak(i8** undef, i8* %p)
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call void @llvm.objc.destroyWeak(i8** null)
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call void @llvm.objc.destroyWeak(i8** undef)
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call void @llvm.objc.copyWeak(i8** null, i8** %q)
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call void @llvm.objc.copyWeak(i8** undef, i8** %q)
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call void @llvm.objc.copyWeak(i8** %q, i8** null)
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call void @llvm.objc.copyWeak(i8** %q, i8** undef)
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call void @llvm.objc.moveWeak(i8** null, i8** %q)
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call void @llvm.objc.moveWeak(i8** undef, i8** %q)
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call void @llvm.objc.moveWeak(i8** %q, i8** null)
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call void @llvm.objc.moveWeak(i8** %q, i8** undef)
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ret void
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}
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