[LLVMbugs] [Bug 22466] New: cmake build should provide way to run tablegen with no arguments

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=22466

            Bug ID: 22466
           Summary: cmake build should provide way to run tablegen with no
                    arguments
           Product: Build scripts
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: cmake
          Assignee: unassignedbugs at nondot.org
          Reporter: Matthew.Arsenault at amd.com
                CC: llvmbugs at cs.uiuc.edu
            Blocks: 15732
    Classification: Unclassified

The autotools build has a useful feature for target development which adds a
build target to run tablegen without a generator option. This fully expands the
target's tablegen files  which is useful for debugging them. This is mostly a
convenience since the target adds all of the necessary include flags to the
tablegen invocation.

e.g. with autotools,  "make AMDGPU.td.expanded"

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