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Fold buffer address identities and remove empty predicates

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This commit is contained in:
nmzik
2026-09-23 10:49:42 +04:00
parent 03c55e5712
commit 8a5e5c5476
2 changed files with 23 additions and 22 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h
+4 -8
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@@ -494,22 +494,18 @@ template <typename Fn>
uint32_t EmitValueOrDefaultIfCondition(EmitterState& state, uint32_t condition, uint32_t type,
uint32_t default_value, Fn&& fn) {
const auto then_label = state.builder.AllocateId();
const auto then_exit = state.builder.AllocateId();
const auto else_label = state.builder.AllocateId();
const auto header = state.current_label;
const auto merge_label = state.builder.AllocateId();
state.builder.AddFunction(spv::OpSelectionMerge, merge_label, spv::SelectionControlMaskNone);
state.builder.AddFunction(spv::OpBranchConditional, condition, then_label, else_label);
state.builder.AddFunction(spv::OpBranchConditional, condition, then_label, merge_label);
EmitLabel(state, then_label);
const auto then_value = fn();
state.builder.AddFunction(spv::OpBranch, then_exit);
EmitLabel(state, then_exit);
state.builder.AddFunction(spv::OpBranch, merge_label);
EmitLabel(state, else_label);
const auto then_exit = state.current_label;
state.builder.AddFunction(spv::OpBranch, merge_label);
EmitLabel(state, merge_label);
const auto value = state.builder.AllocateId();
state.builder.AddFunction(spv::OpPhi, type, value, then_value, then_exit, default_value,
else_label);
header);
return value;
}