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Upstream PR batch 1 U4: SPIR-V post-pass and IR/control-flow compile-time CPU - #482

Merged

RINNECODER merged 10 commits into

mainfrom

upr1/spirv-postpass

Oct 14, 2026

Merged

Upstream PR batch 1 U4: SPIR-V post-pass and IR/control-flow compile-time CPU#482
RINNECODER merged 10 commits into
mainfrom
upr1/spirv-postpass

Commits on Oct 14, 2026
- perf(shader): rewrite high-fan-out IR uses in linear time
  
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- perf(shader): index specialization tables by SPIR-V id
  
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  cead096
- fix(shader): honor disabled optimization during specialization
  
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  44cb283
- perf(shader): discard helper functions unreachable after specialization
  
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  5ae5777
- fix(shader): drop module constants nothing references after specialization
  
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  28b32be
- fix(shader): cap SPIR-V scalar replacement
  
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  7790448
- perf(recompiler): iterate structurizer fixpoints in post-order and bound shared merge splitting growth
  
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- perf(shader): emit image_bvh_intersect_ray as one shared function per variant
  
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- perf(shader): avoid redundancy traversal map copies
  
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  be94392
- fix(metal): accept a specialized BDA module that dropped one of its two BDA descriptors
  
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  170b5c4