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shader_recompilers: Improvements to SSA phi generation and lane instruction elimination (#1667)

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* shader_recompiler: Add use tracking for Insts

* ssa_rewrite: Recursively remove phis

* ssa_rewrite: Correct recursive trivial phi elimination

* ir: Improve read lane folding pass

* control_flow: Avoid adding unnecessary divergant blocks

* clang format

* externals: Update ext-boost

---------

Co-authored-by: Frodo Baggins <baggins31084@proton.me>
This commit is contained in:
TheTurtle 2024-12-05 23:14:16 +02:00 • committed by GitHub
parent 874508f8c2
commit 22a2741ea0
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GPG key ID: B5690EEEBB952194
10 changed files with 175 additions and 76 deletions
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src/shader_recompiler/ir/passes/resource_tracking_pass.cpp
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@ -596,7 +596,7 @@ void PatchImageSampleInstruction(IR::Block& block, IR::Inst& inst, Info& info,
}
return ir.ImageSampleImplicitLod(handle, coords, bias, offset, inst_info);
}();
inst.ReplaceUsesWith(new_inst);
inst.ReplaceUsesWithAndRemove(new_inst);
}
void PatchImageInstruction(IR::Block& block, IR::Inst& inst, Info& info, Descriptors& descriptors) {