7dbba39e58
This reverts commit b9cd48f96acdd07c627ccafbf4386a1f3dcd6c51. ------------------------------------------------------------- Original commit message: Adds logic to the IR verifier that checks whether !tbaa.struct nodes are well-formed. That is, it checks that the operands of !tbaa.struct nodes are in groups of three, that each group of three operands consists of two integers and a valid tbaa node, and that the regions described by the offset and size operands are non-overlapping. PR: https://github.com/llvm/llvm-project/pull/86709
49 lines
1.7 KiB
LLVM
49 lines
1.7 KiB
LLVM
; RUN: not llvm-as < %s 2>&1 | FileCheck %s
|
|
|
|
define void @test_overlapping_regions(ptr %a1) {
|
|
; CHECK: Overlapping tbaa.struct regions
|
|
; CHECK-NEXT: %ld = load i8, ptr %a1, align 1, !tbaa.struct !0
|
|
%ld = load i8, ptr %a1, align 1, !tbaa.struct !0
|
|
ret void
|
|
}
|
|
|
|
define void @test_size_not_integer(ptr %a1) {
|
|
; CHECK: Size must be a constant integer
|
|
; CHECK-NEXT: store i8 1, ptr %a1, align 1, !tbaa.struct !5
|
|
store i8 1, ptr %a1, align 1, !tbaa.struct !5
|
|
ret void
|
|
}
|
|
|
|
define void @test_offset_not_integer(ptr %a1, ptr %a2) {
|
|
; CHECK: Offset must be a constant integer
|
|
; CHECK-NEXT: tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !6
|
|
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) {
|
|
; CHECK: TBAA tag missing
|
|
; CHECK-NEXT: tail call void @llvm.memcpy.p0.p0.i64(ptr align 8 %a1, ptr align 8 %a2, i64 16, i1 false), !tbaa.struct !7
|
|
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) {
|
|
; CHECK: Old-style TBAA is no longer allowed, use struct-path TBAA instead
|
|
; CHECK-NEXT: store i8 1, ptr %a1, align 1, !tbaa.struct !8
|
|
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}
|