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mid-end: memcpy/memset loop-idiom recognition — measured ceiling ~2.7% on compress, no other perf-table consumer; design recorded
leverage:lowLocalized single-site fixLocalized single-site fixperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#371 In kromych/badc;codegen: divide/modulo by non-power-of-2 constants takes a hardware divide; magic-multiply design validated (not a CI lever)
leverage:lowLocalized single-site fixLocalized single-site fixperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#370 In kromych/badc;mid-end: dominator-scoped CSE with a pressure gate; measured 1-2% suite-wide, prototype in hand
leverage:lowLocalized single-site fixLocalized single-site fixperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#369 In kromych/badc;codegen: byte-load/store merging + bswap — no wide-access collapse exists; crypto measured −11-12%
leverage:mediumSubsystem- or ABI-scoped fixSubsystem- or ABI-scoped fixperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#367 In kromych/badc;regalloc: integer live-range splitting behind -O2; one whole-range Place per value forces loop-invariant reloads
leverage:highStructural/root-cause fix; unblocks or resolves multiple symptomsStructural/root-cause fix; unblocks or resolves multiple symptomsperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#364 In kromych/badc;mid-end: inline admission — callee whitelist rejects all stores and calls; admit pointer-param stores, cold call arms, 16B aggregates
leverage:highStructural/root-cause fix; unblocks or resolves multiple symptomsStructural/root-cause fix; unblocks or resolves multiple symptomsperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#362 In kromych/badc;mid-end: multi-block inlining is disabled for every phi-bearing caller; make the splice block-id-safe
leverage:highStructural/root-cause fix; unblocks or resolves multiple symptomsStructural/root-cause fix; unblocks or resolves multiple symptomsperformanceEmitted-code performanceEmitted-code performanceStatus: Open.#361 In kromych/badc;Support
.rodataarchitectureStructural / tech-debtStructural / tech-debtenhancementNew feature or requestNew feature or requestmemory-safetyMemory corruption / unsoundnessMemory corruption / unsoundnessStatus: Open.#198 In kromych/badc;document
#pragma interp()documentationImprovements or additions to documentationImprovements or additions to documentationStatus: Open.#93 In kromych/badc;Implement
#embedconformanceC99/C11 conformance deviationC99/C11 conformance deviationenhancementNew feature or requestNew feature or requestStatus: Open.#92 In kromych/badc;Printing backtrace on crashes
enhancementNew feature or requestNew feature or requestStatus: Open.#54 In kromych/badc;Optional checking bounds for arrays
enhancementNew feature or requestNew feature or requestStatus: Open.#53 In kromych/badc;