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llvm-mirror/test/tools/llvm-readobj/codeview-merging-unsorted.test
Reid Kleckner 1a39114e26 [codeview] Cope with unsorted streams in type merging
Summary:
MASM can produce type streams that are not topologically sorted. It can
even produce type streams with circular references, but those are not
common in practice.

Reviewers: inglorion, ruiu

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D31629

llvm-svn: 299403
2017-04-03 23:58:15 +00:00

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; RUN: llvm-readobj -codeview %S/Inputs/codeview-unsorted.obj | FileCheck %s
; RUN: llvm-readobj -codeview-merged-types %S/Inputs/codeview-unsorted.obj | FileCheck %s --check-prefix=MERGED
; The input type stream has records that refer to later type indices in the same
; stream:
; CHECK: Pointer (0x1000)
; CHECK: Struct (0x1001)
; CHECK: FieldList: {{.*}} (0x1002)
; CHECK: FieldList (0x1002)
; CHECK: Pointer (0x1003)
; CHECK: Procedure (0x1004)
; CHECK: ArgListType: {{.*}} (0x1005)
; CHECK: ArgList (0x1005)
; MERGED: Pointer (0x1000)
; MERGED: FieldList (0x1001)
; MERGED: Struct (0x1002)
; MERGED: FieldList: {{.*}} (0x1001)
; MERGED: Pointer (0x1003)
; MERGED: ArgList (0x1004)
; MERGED: Procedure (0x1005)
; MERGED: ArgListType: {{.*}} (0x1004)
; To reproduce codeview-unsorted.obj:
; $ cat codeview-unsorted.asm
; .model flat, C
; .code
; PBYTE TYPEDEF PTR BYTE
; foo_list STRUCT
; next PBYTE ?
; data dd ?
; foo_list ENDS
; public foo
; foo proc dst:ptr foo_list
; ret
; foo endp
; end
; $ ml -c -Zi codeview-unsorted.asm