http://llvm.org/bugs/show_bug.cgi?id=22781
Bug ID: 22781
Summary: Use tablegen to generate code for the debug info
hierarchy
Product: libraries
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: Core LLVM classes
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected],
[email protected]
Classification: Unclassified
There's a much repeated code in the debug info hierarchy (from bug 22464).
While it's fairly safe -- what wouldn't be caught a compile time is simple to
test -- it relies on somewhat opaque macros, and isn't as clean as a '.td' file
could be.
The prime candidates (in order of importance/ease/usefulness):
1. `MDNodeKeyImpl<>` specializations, in LLVMContextImpl.h.
2. The GET macros in {DebugInfo,}Metadata.h.
3. The `getImpl()` functions in {DebugInfo,}Metadata.{h,cpp}.
4. The `LLParser` routines?
5. The `AsmWriter` routines?
I'm not sure about generating the assembly handlers, and I'm fairly sure
tablegen'ing the bitcode handling is a bad idea (due to clarity about record
layout), but happy to be proven wrong!
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