llvm-6502/invalid-mdsubroutinetype-missing-types.ll at 8fae2845b1aa7c9e83796dfb656f9a74bf846205 - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Duncan P. N. Exon Smith 9f8d4037a6 AsmParser/Writer: Handle symbolic constants in DI 'flags:'

Parse (and write) symbolic constants in debug info `flags:` fields.
This prevents a readability (and CHECK-ability) regression with the new
debug info hierarchy.

Old (well, current) assembly, with pretty-printing:

    !{!"...\\0016387", ...} ; ... [public] [rvalue reference]

Flags field without this change:

   !MDDerivedType(flags: 16387, ...)

Flags field with this change:

   !MDDerivedType(flags: DIFlagPublic | DIFlagRValueReference, ...)

As discussed in the review thread, this isn't a final state.  Most of
these flags correspond to `DW_AT_` symbolic constants, and we might
eventually want to support arbitrary attributes in some form.  However,
as it stands now, some of the flags correspond to other concepts (like
`FlagStaticMember`); until things are refactored this is the simplest
way to move forward without regressing assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230111 91177308-0d34-0410-b5e6-96231b3b80d8

2015-02-21 01:02:18 +00:00

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 ; RUN: not llvm-as < %s -disable-output 2>&1 | FileCheck %s
 ; CHECK: [[@LINE+1]]:65: error: missing required field 'types'
 !29 = !MDSubroutineType(flags: DIFlagPublic | DIFlagStaticMember)