[LLVMdev] Making a pass available to llc?

[Chris Lattner]

On Tue, 26 Jul 2005, Michael McCracken wrote:
>> I can't see any harm in that. However, please make sure that it really
>> isn't being run. The verifier can be hidden by various levels of
>> abstraction.
>
> Assuming that I get everything with -debug-pass=Structure, then it isn't:

-debug-pass=Structure does list everything.  If you add it, please add it 
in an "#ifndef NDEBUG" block so that it does not penalize the release 
build.

Thanks!

-Chris

> % llc -march=x86 -stats -f tests/IS/npbis.bc -debug-pass=Structure
> Pass Arguments:  -lowergc -lowerinvoke -lowerswitch -unreachableblockelim
> Target Data Layout
> Module Pass Manager
>  Function Pass Manager
>    Lower GC intrinsics, for GCless code generators
> --  Lower GC intrinsics, for GCless code generators
>    Lower invoke and unwind, for unwindless code generators
> --  Lower invoke and unwind, for unwindless code generators
>    Lower SwitchInst's to branches
> --  Lower SwitchInst's to branches
>    Remove unreachable blocks from the CFG
> --  Remove unreachable blocks from the CFG
>    X86 Pattern Instruction Selection
> --  X86 Pattern Instruction Selection
>    Live Variable Analysis
>    Eliminate PHI nodes for register allocation
>    Two-Address instruction pass
>    Immediate Dominators Construction
>    Dominator Set Construction
> --  Immediate Dominators Construction
>    Natural Loop Construction
> --  Dominator Set Construction
>    Live Interval Analysis
> --  Natural Loop Construction
> --  Live Variable Analysis
> --  Eliminate PHI nodes for register allocation
> --  Two-Address instruction pass
>    Linear Scan Register Allocator
> --  Live Interval Analysis
> --  Linear Scan Register Allocator
>    Live Variable Analysis
>    X86 FP Stackifier
> --  Live Variable Analysis
> --  X86 FP Stackifier
>    Prolog/Epilog Insertion & Frame Finalization
> --  Prolog/Epilog Insertion & Frame Finalization
>    X86 Peephole Optimizer
> --  X86 Peephole Optimizer
>    X86 AT&T-Style Assembly Printer
> --  X86 AT&T-Style Assembly Printer
>    Machine Code Deleter
> --  Machine Code Deleter
>
>
> I'll add it. I managed to uncover a bug in my own code with my new
> version of llc, though, so I might not have a patch to send tonight,
> but I will soon.
>
> Thanks,
> -mike
>
>

-Chris

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