[Bug] PTODSL-vmi问题汇总，以sub-issue形式描述 #1349

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1. chenben09

   added

   bugSomething isn't workingSomething isn't working

   QAIssues from the QA teamIssues from the QA team

   on Aug 26, 2026
2. chenben09

   changed the title [-][Bug] PTODSL-vmi，vneg 整数类型用例触发 VMI layout 不一致错误[/-] [+][Bug] PTODSL-vmi问题汇总[/+] on Aug 27, 2026
3. chenben09

   changed the title [-][Bug] PTODSL-vmi问题汇总[/-] [+][Bug] PTODSL-vmi问题汇总，以sub-issue形式描述[/+] on Aug 27, 2026
4. mouliangyu

   added

   vmi

   on Aug 27, 2026
5. chenben09

   added sub-issues on Aug 29, 2026

   • [Bug] PTODSL-vmi，vneg 整数类型用例触发 VMI layout 不一致错误 #1373
   • [Bug] PTODSL-vmi，vmula 的 accumulator 操作数错误绑定为 rhs #1374
   • [Bug] PTODSL-vmi，vsel 非4-byte dtype 在 vl∈{64,128} 触发 VPTO emission mask/vector 类型不匹配 #1376
   • [Bug] PTODSL-vmi，vchist/vdhist/vscatter 小 VL 用例触发 Histogram layout materialization 错误 #1377
   • [Bug] PTODSL-vmi，vgatherb 全场景触发 VMI-RESIDUAL-OP #1378
   • [Bug] PTODSL-vmi，vinterpret_cast 跨位宽小 VL 触发 VMI-LAYOUT-CONTRACT #1380
   • [Bug] VPTO emission，vcmp/vcmps 8/16-bit element type sub-physical VL（L · bitwidth(T) < 2048） 触发 mask 粒度不匹配 #1381
   • [Bug] PTODSL-vmi，vcvt IntNarrow {saturate="SAT"} 饱和取值写死 0xFF，未按 contract 方向 clamp 到 dst ±max/umin；signed dst 还对 in-range 负值误判越界 #1389
   • [Bug] PTODSL-vmi，vcvt IntWiden：VL4+ui32 编译失败；signed 源含负数被零扩展 #1394
   • [Bug] PTODSL-vmi，vcvt SiToFp：源必须用 si*（文档未明确）；sitofp 只接受 32-bit 源 #1396
6. 11 remaining items

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7. chenben09

   added sub-issues on Sep 7, 2026

   • [Bug] PTODSL-vmi， vci：DESC 忽略 base、compact 隔点取样、小 VL group_store layout、i8 小 VL Simulator 拒 S #1482
   • [Bug] PTODSL-vmi，vintlv/vdintlv：小 VL grouped→contiguous LAYOUT，vdintlv 解交织语义不统一 #1483
   • [Bug] PTODSL-vmi, vload：block_stride / dist_mode=brc / group / unpack在 VPTO emission 失败 #1484
   • [Bug] PTODSL-vmi, vstore：block_stride / group / masked 在 VPTO emission 失败 #1485
8. yaomicat

   added sub-issues on Sep 20, 2026

   • [Bug] [whitefox-audit] -vmi-lower-unified-to-legacy vload group+merge 静默丢 merge #1507
   • [Bug] [whitefox-audit]-vmi-lower-unified-to-legacy vcmax 对 !pto.hif8 误走整数 reduce #1508
   • [Bug] [whitefox-audit] -vmi-mask-granularity-assignment 漏处理 pto.vmi.vsel #1510
   • [Bug] [whitefox-audit] lib/PTO/Transforms/VMIMaskGranularityAssignment.cpp漏处理 pto.vmi.vcmp / masked pto.vmi.vstore #1511
   • [Bug] [whitefox-audit]vpto_normalize_container — 混合输入被错误再包一层（静默结构错误） #1515
   • [Bug][whitefox-audit]pto_analyze_simt_persistent_fragment pass 编译报错：error: 'llvm.store' op persistent SIMT fragment byte offset 1 must be non-negative and aligned to element byte size 4 #1520
   • [Bug][whitefox-audit] convert_to_pto_op：rank-0 subview 空 offsets 导致 getLeftPadNum Assertion #1533
   • [Bug] 提单：vpto_split_cv_module — named module CV split 触发 symbol 重定义 #1536
   • [Bug] [whitefox-audit] pto_low_level_loop_fusion — interstage setup 引用前序 loop result 后 erase abort #1555
   • [Bug] [whitefox-audit] pto_lower_to_ubuf_ops ：emitUBBinOp 将 src1RepeatStride 硬编码为 0，导致crash #1564
   • [Bug] [whitefox-audit] -pto-validate-vmi-ir 类型树递归不全 → 嵌套 layout VMI 漏检 #1566