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29 commits

Author SHA1 Message Date
Jason Ekstrand
13ec15bdbf nir: Add a peephole select optimization 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:01 -08:00
Jason Ekstrand
4f44120ff5 nir: Add a function for comparing two sources 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
366181d826 nir: Add a parallel copy instruction type 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
7de6b7fc3e nir: Add a function for rewriting all the uses of a SSA def 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
fbc443ad56 nir: Add an initialization function for SSA definitions 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
f86902e75d nir: Add an SSA-based liveness analysis pass. 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
c9a21c725d nir: set reg_alloc and ssa_alloc when indexing registers and SSA values 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
d7e482d32c nir: Add a function to detect if a block is immediately followed by an if 
Since we don't actually have an "if" instruction, this is a very common
pattern when iterating over instructions.  This adds a helper function for
it to make things a little less painful.

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
dfdf0c4673 nir: Add a foreach_block_reverse function 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
49911cf4db nir: Add a basic metadata management system 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
9d986d19d0 nir: Add a lower_vec_to_movs pass 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:19:00 -08:00
Jason Ekstrand
2943522d80 nir: Add a naieve from-SSA pass 
This pass is kind of stupidly implemented but it should be enough to get us
up and going.  We probably want something better that doesn't generate all
of the redundant moves eventually.  However, the i965 backend should be
able to handle the movs, so I'm not too worried about it in the short term.
 2015-01-15 07:18:59 -08:00
Jason Ekstrand
4b4f90dbff nir: Add NIR_TRUE and NIR_FALSE constants and use them for boolean immediates 
Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
 2015-01-15 07:18:59 -08:00
Connor Abbott
7602385ac5 nir: add an SSA-based dead code elimination pass 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8b7cb7674c nir: add an SSA-based copy propagation pass 2015-01-15 07:18:58 -08:00
Connor Abbott
4553887d4a nir: add a pass to convert to SSA 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
b559ee709b nir: calculate dominance information 2015-01-15 07:18:58 -08:00
Connor Abbott
cff1deff72 nir: add an optimization to turn global registers into local registers 
After linking and inlining, this allows us to convert these registers
into SSA values and optimise more code.
 2015-01-15 07:18:58 -08:00
Connor Abbott
613bf6818a nir: add a pass to lower atomics 
v2: Jason Ekstrand <jason.ekstrand@intel.com>
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8692c6a023 nir: add a pass to lower system value reads 
v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
8cdcfce5ce nir: add a pass to lower sampler instructions 2015-01-15 07:18:58 -08:00
Connor Abbott
370e875b32 nir: add a pass to remove unused variables 
After we lower variables, we want to delete them in order to free up
some memory.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
    whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
494790b2a9 nir: keep track of the number of input, output, and uniform slots 2015-01-15 07:18:58 -08:00
Connor Abbott
c2f36cf125 nir: add a pass to lower variables for scalar backends 2015-01-15 07:18:58 -08:00
Connor Abbott
dbb76421da nir: add a validation pass 
This is similar to ir_validate.cpp.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
98fa28bff7 nir: add a printer 
This is similar to ir_print_visitor.cpp.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace fixes
 2015-01-15 07:18:58 -08:00
Connor Abbott
2812e5de93 nir: add core helper functions 
These include functions for adding and removing various bits of IR and
helpers for iterating over all the sources and destinations of an
instruction. This is similar to ir.cpp.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   whitespace and automake fixes
 2015-01-15 07:18:58 -08:00
Jason Ekstrand
f521a3c543 SQUASH: Use the enum for the variable mode 2015-01-15 07:18:57 -08:00
Connor Abbott
30c4678f64 nir: add the core datastructures 
This includes all the instructions, ifs, loops, functions, etc. This is
similar to the information in ir.h.

v2: Jason Ekstrand <jason.ekstrand@intel.com>:
   Include ralloc and hash_table from the util directory
   whitespace fixes

Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-By glenn.kennard <glenn.kennard@gmail.com>
 2015-01-15 07:18:57 -08:00