pre-commit: PR109131

[zyw-bot]

Link: llvm/llvm-project#109131
Requested by: @fhahn

[zyw-bot]

Diff mode

runner: ariselab-64c-docker
baseline: llvm/llvm-project@92e5060
patch: llvm/llvm-project#109131
sha256: 57121419ba5d2d9351c60847f81c66dd5e6fced6799e8fe621411617293fe530
commit: 15acefa

511 files changed, 431611 insertions(+), 427712 deletions(-)

Improvements:
  alignment-from-assumptions.NumMemIntAlignChanged 1 -> 2 +100.00%
  alignment-from-assumptions.NumLoadAlignChanged 8 -> 10 +25.00%
  simplifycfg.NumSpeculations 408076 -> 408357 +0.07%
  early-cse.NumCSE 5700454 -> 5700833 +0.01%
  scalar-evolution.NumExitCountsComputed 4187765 -> 4187966 +0.00%
  scalar-evolution.NumExitCountsNotComputed 12317529 -> 12317971 +0.00%
  instcombine.NumConstProp 163682 -> 163686 +0.00%
  gvn.NumGVNInstr 155499 -> 155502 +0.00%
  gvn.NumGVNPRE 155499 -> 155502 +0.00%
  function-attrs.NumNoFree 793857 -> 793872 +0.00%
Regressions:
  dse.NumFastOther 510520 -> 510143 -0.07%
  simplifycfg.NumHoistCommonInstrs 2513117 -> 2512413 -0.03%
  simplifycfg.NumHoistCommonCode 870500 -> 870366 -0.02%
  instcombine.NumSunkInst 3498553 -> 3498283 -0.01%
  correlated-value-propagation.NumPhis 1294450 -> 1294399 -0.00%
  adce.NumRemoved 98696 -> 98694 -0.00%
  globalsmodref-aa.NumReadMemFunctions 1214780 -> 1214758 -0.00%
  loop-instsimplify.NumSimplified 188180 -> 188177 -0.00%
  gvn.IsValueFullyAvailableInBlockNumSpeculationsMax 605562 -> 605553 -0.00%
  licm.NumSunk 279005 -> 279002 -0.00%

zxing/DMDetector.ll fail

+66 meilisearch-rs/48hhebymxr5ff2nk.ll
+37 diesel-rs/1og08er27yrgxd4i.ll
+33 uv-rs/8ofulk24np18t2tte1m3ti54i.ll
+26 uv-rs/8dp7gdksknttvys0j8mob4eqo.ll
+24 turborepo-rs/biao4obspv7dslqs4nc94og1x.ll
+24 uv-rs/epze99ydm54khb1q2ay8jylmw.ll
+21 pingora-rs/63snncgsqpi17trm0hdteq5vk.ll
+20 uv-rs/8yltps2gwoc30n0c0zr06ejhk.ll
+20 wasmtime-rs/4oustitdsdvnhdau.ll
+18 rust-analyzer-rs/4dj9fscdf5c509wz.ll
+16 uv-rs/6lifoqdf32s4rqxd7yg6o6y9j.ll
+15 syn/ofvfd67uyaewjlc.ll
+14 uv-rs/86atqzuq5wuvm5samw7373hn4.ll
+13 typst-rs/40w6rezair915kkd.ll
+12 stat-rs/20o1n4zmlkej35p7.ll
+12 uv-rs/3gp2xi9dzv710el9nlmazngi5.ll
+11 pingora-rs/2ov174hlbjn2zukn47jy5qk00.ll
+10 pingora-rs/bvwglp2tpp41rgrf36efmuws6.ll
+10 typst-rs/4qskctz4kwc33g7b.ll
+10 uv-rs/1v5vjcevp56t5ndlvgh9f608z.ll
+9 diesel-rs/ejac3nrysber2ti.ll
+9 wasmi-rs/cfqsonek5l7h839gg4bayo6fi.ll
+8 ruff-rs/bzh9h554ycapgq7g6ci0s8oxl.ll
+8 syn/2i67i8azb4r5b3mw.ll
+8 turborepo-rs/74s3x9u7hld928rwmttmetb1y.ll
+8 uv-rs/dv79qfcpy73s7ozlb66podgd3.ll
+7 coreutils-rs/2i3dvgzkmy2gn6v1.ll
+7 mini-lsm-rs/haynj55bb7tm6r1.ll
+7 pingora-rs/031lstpg0hmrazohafgtmu7kw.ll
+7 quinn-rs/7i3tllkclkw46e2nqel8doaek.ll
+7 wasmtime-rs/51qw21auwj5g8lkq.ll
+6 meilisearch-rs/17jh51lasapq4j93.ll
+6 pingora-rs/9te2jnn39flv18ab4y212u8re.ll
+6 pingora-rs/emxuqz96yme1p1ywofm59uhbl.ll
+6 ruff-rs/9nvvpt1ezz0xq4qxcl2hj9bws.ll
+6 rust-analyzer-rs/178ko0g73oimi4oy.ll
+5 actix-rs/1heyflno2zbhb99l.ll
+5 quinn-rs/ey4dcuzpw4qgb9sgokuatlt89.ll
+5 ruff-rs/cfxd69c6qnho6x36na7837ea7.ll
+4 fish-rs/8zxt2gjt68ikxu18thf3foa45.ll
+4 fish-rs/c38lur5pw95ohzh85gfwxtm3n.ll
+4 foundations-rs/2x6ktvhba8qdodxx4fu7t67t2.ll
+3 actix-rs/4pmtvrahn6eloepe.ll
+3 mini-lsm-rs/2y1m09w3fogtr6jd.ll
+3 quinn-rs/em94uyxz0wp9gccfab963606p.ll
+3 yara-x-rs/cuynzwkmf4lxp81cl2zzl1pa9.ll
+2 elfshaker-rs/9g25xiovadbzz8leri5a9ttiq.ll
+2 jiff-rs/6v5jz1tl6zqdv4zpvzdoaqaiw.ll
+2 yara-x-rs/ehd2m88swoa0hwh8k90dxhn2z.ll
+1 actix-rs/2d9c72efneckaqzp.ll
+1 rustfmt-rs/4gk399kploc9gcsb.ll
+1 syn/3r5osr990qsnm7hf.ll
+1 uv-rs/8qa24rqyghanp1vhbawjcm1bw.ll
+1 wasmtime-rs/4bsmuvpz9r22ks1w.ll
-1 yara-x-rs/aqllqyzrtxqplivthssual6c8.ll

[github-actions]

The provided patch introduces several uses of @llvm.assume with alignment metadata and adjusts pointer alignments in memset calls. Here are the major changes:

1. Addition of @llvm.assume for Alignment Guarantees: Multiple instances of call void @llvm.assume(i1 true) [ "align"(ptr %x, i64 N) ] are inserted across various functions. This informs the optimizer that specific pointers are aligned to certain boundaries (e.g., 8-byte or 4-byte), enabling better optimization decisions.

2. Increased Alignment in memset Calls: Several @llvm.memset.p0.i64 calls have their alignment attribute increased from align 4 to align 8. This reflects a stronger alignment guarantee, allowing more efficient memory operations.

3. Control Flow Adjustments: In some cases, such as in diesel-rs, control flow is restructured—labels are renamed and new branches are introduced—likely to accommodate assumptions or improve code layout post-optimization.

4. Phi Node Updates: Some phi nodes in loops are updated to reflect new predecessor blocks due to control flow changes, ensuring correct value merging after restructuring.

5. Declaration of @llvm.assume: The intrinsic @llvm.assume is declared in multiple files with appropriate attributes, indicating its use for optimization hints without side effects (inaccessiblemem: write).

model: qwen-plus-latest
CompletionUsage(completion_tokens=294, prompt_tokens=109911, total_tokens=110205, completion_tokens_details=None, prompt_tokens_details=None)