[Mesa-dev] [PATCH 0/5] nir, spirv: Fix bugs uncovered by spirv-opt

[Andres Rodriguez]

This series fixes the assert I was encountering with SteamVR here:
https://bugs.freedesktop.org/show_bug.cgi?id=108065

Thanks for the fixes.

-Andres


On 2018-09-22 05:39 PM, Jason Ekstrand wrote:
> This little series fixes three bugs encountered while running the Vulkan
> CTS with SPIR-V optimizations enabled.  The optimizations shouldn't, in
> theory, change the behavior of the shader but it does change some of the
> SPIR-V patterns and triggered a number of compiler bugs.  I'd like to CC
> the whole thing to stable but the last three patches are probably best only
> hitting the latest release because they're fairly major surgery.
> 
> Jason Ekstrand (5):
>    nir/cf: Remove phi sources if needed in nir_handle_add_jump
>    nir/from_ssa: Don't rewrite derefs destinations to registers
>    spirv: Move function call handling to vtn_cfg
>    spirv: Pass SSA values through functions
>    spirv: Make images, samplers, and sampled images normal SSA values
> 
>   src/compiler/nir/nir_control_flow.c |  36 ++--
>   src/compiler/nir/nir_from_ssa.c     |   6 +
>   src/compiler/spirv/spirv_to_nir.c   | 123 +++---------
>   src/compiler/spirv/vtn_cfg.c        | 279 ++++++++++++++++++++++------
>   src/compiler/spirv/vtn_private.h    |   9 +-
>   src/compiler/spirv/vtn_variables.c  |  51 +++--
>   6 files changed, 297 insertions(+), 207 deletions(-)
>