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3d051772c8
Piglit's spec/glsl-1.10/linker/override-builtin-{const,uniform}-05 tests
do the following:
1. Call abs(float) - a built-in function.
2. Create a user-defined replacement for abs(float).
3. Call abs(float) again - now the user function.
At step 1, we created an ir_function which included the built-in
signature, added it to the symbol table, and emitted it into the IR
stream.
Then, when processing the function definition at step 2, we'd see that
there was already an ir_function. But, since there were no user-defined
functions, we skipped over a bunch of code, and ended up creating a
second one. This new ir_function shadowed the original in the symbol
table, but both ended up in the IR stream.
This results in an awkward situation where searching for an ir_function
via the symbol table, a forward linked list walk, and a reverse linked
list walk may return different ir_functions. This seems undesirable.
This patch instead re-uses the existing ir_function, putting both
built-in and user-defined signatures in the same one. The previous
patch's additional filtering ensures everything continues working.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
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| egl | ||
| gallium | ||
| gbm | ||
| getopt | ||
| glsl | ||
| glx | ||
| gtest | ||
| hgl | ||
| loader | ||
| mapi | ||
| mesa | ||
| util | ||
| Makefile.am | ||
| SConscript | ||