[llvm-bugs] [Bug 31205] New: Use tablegen to generate lookup tables

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Nov 29 06:55:11 PST 2016


https://llvm.org/bugs/show_bug.cgi?id=31205

            Bug ID: 31205
           Summary: Use tablegen to generate lookup tables
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Backend: X86
          Assignee: unassignedbugs at nondot.org
          Reporter: zvi.rackover at intel.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

There are several tables in the X86 backend that could be auto-generated to
reduce the maintenance burden.
For example,
1. ReplaceableInstrs
2. Memory folding/unfolding

See Hal's recipe for how to implement #1:
http://lists.llvm.org/pipermail/llvm-dev/2016-November/107588.html

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