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# sparse - extra options for developers
## SYNOPSIS
`tools` [`options`]... `file.c`
## DESCRIPTION
This file is a complement of sparse's man page meant to
document options only useful for development on sparse itself.
## DEVELOPER OPTIONS
-f<name-of-the-pass>[-disable|-enable|=last]
If `=last` is used, all passes after the specified one are disabled.
By default all passes are enabled.
The passes currently understood are:
* `mem2reg`
* `optim`
### DEBUGGING
-fdump-ir[=pass[,pass...]]
Dump the IR at each of the given passes.
The passes currently understood are:
* `linearize`
* `mem2reg`
* `final`
The default pass is `linearize`.
-v<debug-flag>
Add or display some debug info. The flag can be one of:
* `dead`: annotate dead pseudos.
* `entry`: dump the IR after all optimization passes.
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