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In these cases, we edit the list (or at least might be), so we use the
foreach_list_safe variant.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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foreach_iter and exec_list_iterators have been deprecated for some time now;
we just hadn't ever bothered to convert code to the newer foreach_list
and foreach_list_safe macros.
In these cases, we aren't editing the list, so we can use foreach_list
rather than foreach_list_safe.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Because these classes are used entirely from their own source files
and not from separate DSOs, the linker gets to produce massively less
code. This cuts about 13k of text in the libdricore case. In the
non-libdricore case, the additional linkage information allows the
compiler to inline some code, so libglsl.a size actually increases by
about 300 bytes.
For a dricore build, improves shader_runner runtime on
glsl-fs-copy-propagation-texcoords-1 by 0.21% +/- 0.03% (n=353574,
outliers removed). No statistically significant difference with n=322
on glslparsertest on a yofrankie shader intended to test compiler
performance.
Reviewed-by: Kenneth Graunke <[email protected]>
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Fix uninitialized pointer field defect reported by Coverity.
Signed-off-by: Vinson Lee <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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Previously, set_callee() performed some assertions about the type of the
ir_call; protecting the bare pointer ensured these checks would be run.
However, ir_call no longer has a type, so the getter and setter methods
don't actually do anything useful. Remove them in favor of accessing
callee directly, as is done with most other fields in our IR.
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>
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opt_dead_functions contained a shortcut to skip processing the first
function's body, based on the assumption that IR functions are
topologically sorted, with callees always coming before their callers
(therefore the first function cannot contain any calls).
This assumption turns out not to be true in general. For example, the
following code snippet gets translated to IR that violates this
assumption:
void f();
void g();
void f() { g(); }
void g() { ... }
In practice, the shortcut didn't cause bugs because of a coincidence
of the circumstances in which opt_dead_functions is called:
(a) we do inlining right before dead function elimination, and
inlining (when successful) eliminates all calls.
(b) for user-defined functions, inlining is always successful, because
previous optimization passes (during compilation) have reduced
them to a form that is eligible for inlining.
(c) the function that appears first in the IR can't possibly call a
built-in function, because built-in functions are always emitted
before the function that calls them.
It seems unnecessarily fragile to have opt_dead_functions depend on
these coincidences. And the next patch in this series will break (c).
So I'm reverting the shortcut. The consequence will be a slight
increase in link time for complex shaders.
This reverts commit c75427f4c8767e131e5fb3de44fbc9d904cb992d.
Reviewed-by: Kenneth Graunke <[email protected]>
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It can't call anything, so there's no point.
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Standard library functions in C++ are in the std namespace. When using
C++-style header files for the standard library, some compilers, such as
Sun Studio, provide symbols only for the std namespace and not for the
global namespace.
This patch adds using statements for standard library functions. Another
option could have been to prepend standard library function calls with
'std::'.
This patch fixes several compilation errors with Sun Studio.
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This helps distinguish between lowering passes, optimization passes, and
other compiler code.
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