Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[TBAA] Tests for invalid tbaa.struct metadata #86167

Merged
merged 2 commits into from
Mar 26, 2024
Merged

[TBAA] Tests for invalid tbaa.struct metadata #86167

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
1b356fa
Add tests for invalid tbaa.struct metadata
juliannagele Mar 21, 2024
62b6c6c
fixup! Add tests for invalid tbaa.struct metadata
juliannagele Mar 26, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
40 changes: 40 additions & 0 deletions llvm/test/Verifier/tbaa-struct.ll
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,40 @@
; RUN: llvm-as < %s 2>&1

; FIXME: The verifer should reject the invalid !tbaa.struct nodes below.

define void @test_overlapping_regions(ptr %a1) {
juliannagele marked this conversation as resolved.
Show resolved Hide resolved
%ld = load i8, ptr %a1, align 1, !tbaa.struct !0
ret void
}

define void @test_size_not_integer(ptr %a1) {
store i8 1, ptr %a1, align 1, !tbaa.struct !5
ret void
}

define void @test_offset_not_integer(ptr %a1, ptr %a2) {
tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !6
ret void
}

define void @test_tbaa_missing(ptr %a1, ptr %a2) {
tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !7
ret void
}

define void @test_tbaa_invalid(ptr %a1) {
store i8 1, ptr %a1, align 1, !tbaa.struct !8
ret void
}

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1) nounwind

!0 = !{i64 0, i64 4, !1, i64 1, i64 4, !1}
!1 = !{!2, !2, i64 0}
!2 = !{!"int", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C++ TBAA"}
!5 = !{i64 0, !2, !1}
!6 = !{!2, i64 0, !1}
!7 = !{i64 0, i64 4, null}
!8 = !{i64 0, i64 4, !2}
Loading