llvm/test/Verifier/dbg-typerefs.ll
Duncan P. N. Exon Smith e56023a059 IR: Give 'DI' prefix to debug info metadata
Finish off PR23080 by renaming the debug info IR constructs from `MD*`
to `DI*`.  The last of the `DIDescriptor` classes were deleted in
r235356, and the last of the related typedefs removed in r235413, so
this has all baked for about a week.

Note: If you have out-of-tree code (like a frontend), I recommend that
you get everything compiling and tests passing with the *previous*
commit before updating to this one.  It'll be easier to keep track of
what code is using the `DIDescriptor` hierarchy and what you've already
updated, and I think you're extremely unlikely to insert bugs.  YMMV of
course.

Back to *this* commit: I did this using the rename-md-di-nodes.sh
upgrade script I've attached to PR23080 (both code and testcases) and
filtered through clang-format-diff.py.  I edited the tests for
test/Assembler/invalid-generic-debug-node-*.ll by hand since the columns
were off-by-three.  It should work on your out-of-tree testcases (and
code, if you've followed the advice in the previous paragraph).

Some of the tests are in badly named files now (e.g.,
test/Assembler/invalid-mdcompositetype-missing-tag.ll should be
'dicompositetype'); I'll come back and move the files in a follow-up
commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236120 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-29 16:38:44 +00:00

33 lines
1.5 KiB
LLVM

; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s
; Check that the debug info verifier gives nice errors for bad type refs
; (rather than crashing).
!llvm.module.flags = !{!0}
!0 = !{i32 2, !"Debug Info Version", i32 3}
; Make a bunch of type references. Note that !4 references !"0.bad" (instead
; of !"4.bad") to test error ordering.
!typerefs = !{!1, !2, !3, !4}
!1 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"1.good")
!2 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"2.bad")
!3 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"3.good")
!4 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"0.bad")
; Add a minimal compile unit to resolve some of the type references.
!llvm.dbg.cu = !{!5}
!5 = !DICompileUnit(file: !6, language: DW_LANG_C99, retainedTypes: !7)
!6 = !DIFile(filename: "file.c", directory: "/path/to/dir")
!7 = !{!8, !9}
!8 = !DICompositeType(tag: DW_TAG_structure_type, identifier: "1.good")
!9 = !DICompositeType(tag: DW_TAG_structure_type, identifier: "3.good")
; CHECK: assembly parsed, but does not verify
; CHECK-NEXT: unresolved type ref
; CHECK-NEXT: !"0.bad"
; CHECK-NEXT: !DIDerivedType(tag: DW_TAG_pointer_type
; CHECK-SAME: baseType: !"0.bad"
; CHECK-NEXT: unresolved type ref
; CHECK-NEXT: !"2.bad"
; CHECK-NEXT: !DIDerivedType(tag: DW_TAG_pointer_type
; CHECK-SAME: baseType: !"2.bad"
; CHECK-NOT: unresolved