| Commit message (Collapse) | Author | Age | Files | Lines |
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When reading a column from a row-major matrix, we would slot the single
value read into the vector using an ir_dereference_array of the vector
with a constant index. This will (eventually) get optimized to a
masked-write, so just generate the masked write in the first place.
v2: Remove unused variable 'chan'. Suggested by Ken.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Cc: Eric Anholt <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Cc: Eric Anholt <[email protected]>
Cc: Paul Berry <[email protected]>
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Search and replace:
][0] -> ].x
][1] -> ].y
][2] -> ].z
][3] -> ].w
Fixes piglit tests inverse-mat[234].{vert,frag}. These tests call the
inverse function with constant parameters and expect proper constant
folding to happen. My suspicion is that this patch papers over some bug
in constant propagation involving array accesses.
Either way, all of these accesses eventually get lowered to swizzles.
This cuts out the middle man (saving a trivial amount of CPU).
NOTE: This is a candidate for the 9.1 branch.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Cc: Eric Anholt <[email protected]>
Cc: Paul Berry <[email protected]>
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Since the case was missing bec4->get_scalar_type() would return bvec4,
but vec4->get_scalar_type() would return float.
NOTE: This is a candidate for stable branches.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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v2 [mattst88]:
- Rebase.
- #define GL_ARB_texture_query_lod to 1.
- Remove comma after ir_lod in ir.h for MSVC.
- Handled ir_lod in ir_hv_accept.cpp, ir_rvalue_visitor.cpp,
opt_tree_grafting.cpp.
- Rename textureQueryLOD to textureQueryLod, see
https://www.khronos.org/bugzilla/show_bug.cgi?id=821
- Fix ir_reader of (lod ...).
v3 [mattst88]:
- Rename textureQueryLod to textureQueryLOD, pending resolution of
Khronos 821.
- Add ir_lod case to ir_to_mesa.cpp.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Since half of ir_validate uses asserts() (the other using printf() then
abort()), there's not much use to calling it in a release build. Cuts
6.3% of the startup time of TF2.
NOTE: This is a candidate for the stable branches.
Reviewed-by: Kenneth Graunke <[email protected]>
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This makes basic built-in functions work in GLSL 1.50. It supports
everything except the new Geometry Shader functions.
The new 150.glsl file is 140.glsl plus ARB_texture_multisample.glsl;
150.frag is identical to 140.frag except for the #version bump.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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GLSL 1.50 includes support for the new sampler types introduced by
the ARB_texture_multisample extension.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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The version bumps are necessary in order to compile built-ins for 1.50.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Chris Forbes <[email protected]>
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This patch makes the following search-and-replace changes:
gl_frag_attrib -> gl_varying_slot
FRAG_ATTRIB_* -> VARYING_SLOT_*
FRAG_BIT_* -> VARYING_BIT_*
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Tested-by: Brian Paul <[email protected]>
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This patch makes the following search-and-replace changes:
gl_vert_result -> gl_varying_slot
VERT_RESULT_* -> VARYING_SLOT_*
Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Tested-by: Brian Paul <[email protected]>
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This ends up reusing the dynamic ID support, so a silly enum gets to go
away. We don't assign good IDs to different messages yet, but at least
that's tractable now.
Reviewed-by: Jordan Justen <[email protected]>
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V2: - emit `sample` parameter properly for multisample texelFetch()
- fix spurious whitespace change
- introduce a new opcode ir_txf_ms rather than overloading the
existing ir_txf further. This makes doing the right thing in
the driver somewhat simpler.
V3: - fix weird whitespace
V4: - don't forget to include the new opcode in tex_opcode_strs[]
(thanks Kenneth for spotting this)
Signed-off-by: Chris Forbes <[email protected]>
[V2] Reviewed-by: Eric Anholt <[email protected]>
[V2] Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Although GLSL 1.50 compiler support is not available,
this change will allow MESA_GLSL_VERSION_OVERRIDE=150 to be
used while 1.50 support is being developed.
Since no drivers claim 1.50 GLSL support, this change should
only impact Mesa when MESA_GLSL_VERSION_OVERRIDE=150 is set.
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Many GPUs have an instruction to do linear interpolation which is more
efficient than simply performing the algebra necessary (two multiplies,
an add, and a subtract).
Pattern matching or peepholing this is more desirable, but can be
tricky. By using an opcode, we can at least make shaders which use the
mix() built-in get the more efficient behavior.
Currently, all consumers lower ir_triop_lrp. Subsequent patches will
actually generate different code.
v2 [mattst88]:
- Add LRP_TO_ARITH flag to ir_to_mesa.cpp. Will be removed in a
subsequent patch and ir_triop_lrp translated directly.
v3 [mattst88]:
- Move changes from the next patch to opt_algebraic.cpp to accept
3-src operations.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Kenneth Graunke <[email protected]>
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Reviewed-by: Matt Turner <[email protected]>
Signed-off-by: Kenneth Graunke <[email protected]>
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Previously, we had separate constructors for one, two, and four operand
expressions. This patch consolidates them into a single constructor
which uses NULL default parameters.
The unary and binary operator constructors had assertions to verify that
the caller supplied the correct number of operands for the expression,
but the four-operand version did not. Since get_num_operands for
ir_quadop_vector returns the number of vector_elements, we can safely
add that without breaking the semantics of ir_quadop_vector.
This also paves the way for expressions with three operands. Currently,
none can be constructed since get_num_operands() never returns 3.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Kenneth Graunke <[email protected]>
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Previously when an input varying was optimized out of the
FS we would still retain it as an output of the VS.
We now build a hash of live FS input varyings rather
than looking in the FS symbol table. (The FS symbol table
will still contain the optimized out varyings.)
Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Fixes uninitialized pointer field defect reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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All of the GLSL specs from GLSL 1.30 (and GLSL ES 3.00) onward contain
language requiring certain integer variables to be declared with the
"flat" keyword, but they differ in exactly *when* the rule is
enforced:
(a) GLSL 1.30 and 1.40 say that vertex shader outputs having integral
type must be declared as "flat". There is no restriction on fragment
shader inputs.
(b) GLSL 1.50 through 4.30 say that fragment shader inputs having
integral type must be declared as "flat". There is no restriction on
vertex shader outputs.
(c) GLSL ES 3.00 says that both vertex shader outputs and fragment
shader inputs having integral type must be declared as "flat".
Previously, Mesa's behaviour was consistent with (a). This patch
makes it consistent with (b) when compiling desktop shaders, and (c)
when compiling ES shaders.
Rationale for desktop shaders: once we add geometry shaders, (b) really
seems like the right choice, because it requires "flat" in just the
situations where it matters. Since we may want to extend geometry
shader support back before GLSL 1.50 (via ARB_geometry_shader4), it
seems sensible to apply this rule to all GLSL versions. Also, this
matches the behaviour of the nVidia proprietary driver for Linux, and
the expectations of Intel's oglconform test suite.
Rationale for ES shaders: since the behaviour specified in GLSL ES
3.00 matches neither pre-GLSL-1.50 nor post-GLSL-1.50 behaviour, it
seems likely that this was a deliberate choice on the part of the GLES
folks to be more restrictive. Also, the argument in favor of (b)
doesn't apply to GLES, since it doesn't support geometry shaders at
all.
Some discussion about this has already happened on the Mesa-dev list.
See:
http://lists.freedesktop.org/archives/mesa-dev/2013-February/034199.html
Fixes piglit tests:
- glsl-1.30/compiler/interpolation-qualifiers/nonflat-*.frag
- glsl-1.30/compiler/interpolation-qualifiers/vs-flat-int-0{2,3,4,5}.vert
- glsl-es-3.00/compiler/interpolation-qualifiers/varying-struct-nonflat-{int,uint}.frag
Fixes oglconform tests:
- glsl-q-inperpol negative.fragin.{int,uint,ivec,uvec}
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
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In the GLSL 1.30 spec, section 4.3.6 ("Outputs") says:
"If a vertex output is a signed or unsigned integer or integer
vector, then it must be qualified with the interpolation qualifier
flat."
The GLSL ES 3.00 spec further clarifies, in section 4.3.6 ("Output
Variables"):
"Vertex shader outputs that are, *or contain*, signed or unsigned
integers or integer vectors must be qualified with the
interpolation qualifier flat."
(Emphasis mine.)
The language in the GLSL ES 3.00 spec is clearly correct and should be
applied to all shading language versions, since varyings that contain
ints can't be interpolated, regardless of which shading language
version is in use.
(Note that in GLSL 1.50 the restriction is changed to apply to
fragment shader inputs rather than vertex shader outputs, to
accommodate the fact that in the presence of geometry shaders, vertex
shader outputs are not necessarily interpolated. That will be
addressed by a future patch).
NOTE: This is a candidate for stable branches.
Reviewed-by: Ian Romanick <[email protected]>
Reviewed-by: Anuj Phogat <[email protected]>
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From GLSL ES 3.00 section 4.5.4 ("Default Precision Qualifiers"):
"The precision statement
precision precision-qualifier type;
can be used to establish a default precision qualifier. The type
field can be either int or float or any of the sampler types, and
the precision-qualifier can be lowp, mediump, or highp."
GLSL ES 1.00 has similar language. GLSL 1.30 doesn't allow precision
qualifiers on sampler types, but this seems like an oversight (since
the intention of including these in GLSL 1.30 is to allow
compatibility with ES shaders).
Previously, Mesa followed GLSL 1.30 and only allowed default precision
qualifiers to be set for float and int. This patch makes it follow
GLSL ES rules in all cases.
Fixes Piglit tests default-precision-sampler.{vert,frag}.
Partially addresses https://bugs.freedesktop.org/show_bug.cgi?id=60737.
NOTE: This is a candidate for stable branches.
Reviewed-by: Eric Anholt <[email protected]>
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When the user specifies an unsupported GLSL version,
_mesa_glsl_parse_state::process_version_directive() nicely gives them
an error message telling them which GLSL versions are supported.
Previous to this patch, the logic for determining whether a given
language version was supported was independent from the logic to
generate this error message string; as a result, we had a bug where
GLSL 3.00 would never be listed in the error message as an available
language version, even if it was really available.
To make matters worse, the code for generating the error message
string assumed that desktop GL versions were always separated by 0.10,
an assumption that will be wrong as soon as we support GLSL 3.30.
This patch fixes both problems by adding a table of supported GLSL
versions to _mesa_glsl_parse_state; this table is used both to
generate the error message and to check whether a given version is
supported.
Reviewed-by: Ian Romanick <[email protected]>
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Fixes uninitialized scalar field defects reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Fixes uninitialized pointer field defect reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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Previously the loop_state was allocated in the loop_analysis
constructor, but not freed in the (nonexistent) destructor. Moving
the allocation of the loop_state makes this code appear less sketchy.
Either way, there is no actual leak. The loop_state is freed by the
single caller of analyze_loop_variables.
Signed-off-by: Ian Romanick <[email protected]>
Cc: Dave Airlie <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=57753
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Fixes uninitialized pointer field defect reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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Since transform feedback needs to be able to access individual fields
of varying structs, we can no longer match up the arguments to
glTransformFeedbackVaryings() with variables in the vertex shader.
Instead, we build up a hashtable which records information about each
possible name that is a candidate for transform feedback, and then
match up the arguments to glTransformFeedbackVaryings() with the
contents of that hashtable.
Populating the hashtable uses the program_resource_visitor
infrastructure, so the logic is shared with how we handle uniforms.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Previously, transform feedback varyings were parsed in an ad-hoc
fashion that wasn't compatible with structs (or array of structs).
This patch makes it use parse_program_resource_name(), which correctly
handles both.
Note that parse_program_resource_name()'s technique for handling
mal-formed input strings is to simply let them through and rely on the
fact that a future name lookup will fail. Because of this,
tfeedback_decl::init() no longer needs to return a boolean error
code--it always succeeds, and if the input was mal-formed the error
will be detected later.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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There's actually nothing uniform-specific in uniform_field_visitor.
It is potentially useful for all kinds of program resources (in
particular, future patches will use it for transform feedback
varyings).
This patch renames it to program_resource_visitor, and clarifies
several comments, to reflect the fact that it is useful for more than
just uniforms.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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The parsing logic is moved to a new function in the GLSL module,
parse_program_resource_name(). This name was chosen because it should
eventually be useful for handling everything that OpenGL 4.3 calls
"program resources" (e.g. uniforms, vertex inputs, fragment outputs,
and transform feedback varyings).
Future patches will make use of this function for linking transform
feedback varyings.
NOTE: This is a candidate for the 9.1 branch.
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
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Previously we were relying on CFLAGS_FOR_BUILD to be the same as CFLAGS
when not cross compiling, but this assumption didn't take into
consideration 32-bit builds on 64-bit systems. More generally, not
honoring CFLAGS is bad.
Automake is evidently too stupid to accept
if CROSS_COMPILING
CC = @CC_FOR_BUILD@
...
else
CC = @CC@
endif
without warning that CC has been already defined. The warnings are
harmless, but I'd prefer to avoid future reports about them, so define
proxy variables, which are assigned inside the conditional and then
unconditionally assigned to CC et al.
NOTE: This is a candidate for the 9.1 branch.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59737
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60038
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Back when ir_var_in and ir_var_out signified both function parameters
and shader input/outputs, we had trouble distinguishing the two when
looking at a dereference. Now that we have separate ir_var_shader_in
and ir_var_shader_out modes, we can determine this easily.
Removing the hash table saves memory and CPU overhead.
Signed-off-by: Kenneth Graunke <[email protected]>
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Since the result of those calls is always assigned to a float.
Reviewed-by: Ian Romanick <[email protected]>
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Note, we could alternately implement this in terms of glsl_strtod()
with a (float) cast.
Reviewed-by: Ian Romanick <[email protected]>
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Lower them to arithmetic and bit manipulation expressions.
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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That is, evaluate constant expressions for the following functions:
packSnorm4x8, unpackSnorm4x8
packUnorm4x8, unpackUnorm4x8
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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For each function {pack,unpack}{Snorm,Unorm}4x8, add a corresponding
opcode to enum ir_expression_operation. Validate the new opcodes in
ir_validate.cpp.
Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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Reviewed-by: Chad Versace <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
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v2: A previous patch contained a spurious hunk that removed an
assignment to ir_variable::uniform_block. That hunk was moved to this
patch. Suggested by Carl Worth.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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glGetActiveUniform is not supposed to report block members that are not
active even if they are included in the layout of the block. The block
layout is determined from the GLSL_TYPE_INTERFACE that defines the
block, so eliminating the ir_variables that correspond to the individual
fields is safe.
Fixes gles3conform test
uniform_buffer_object_getuniformindices_for_for_nonexistent_or_not_active_uniform_names.
This also fixes the assertion failures (added in the previous commit) in
gles3conform uniform_buffer_object_index_of_not_active_block,
uniform_buffer_object_inherit_and_override_layouts, and
uniform_buffer_object_repeat_global_scope_layouts.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Use the function added in the previous commit.
This temporarily causes gles3conform
uniform_buffer_object_index_of_not_active_block,
uniform_buffer_object_inherit_and_override_layouts, and
uniform_buffer_object_repeat_global_scope_layouts to assertion fail.
This is fixed in the next commit.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Calculate all of the block member offsets, the IndexNames, and
everything else to do with every UBO.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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Pretty much all of the compile-time, per-compilation unit block data is
about to get the axe.
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
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