pre-commit: PR171195

[zyw-bot]

Link: llvm/llvm-project#171195
Requested by: @dtcxzyw

[zyw-bot]

Diff mode

runner: ariselab-64c-docker
baseline: llvm/llvm-project@c9f13b5
patch: llvm/llvm-project#171195
sha256: 4ddcb72515c2e44fad3d3520b22da841b0851c0de887162094c9bac10890a2c1
commit: 82a0190

188 files changed, 31138 insertions(+), 31796 deletions(-)

Improvements:
  instcombine.NumSunkInst 3378045 -> 3378233 +0.01%
  instcombine.NumDeadInst 41019865 -> 41021144 +0.00%
  correlated-value-propagation.NumAnd 44494 -> 44495 +0.00%
  instcombine.NumFactor 45548 -> 45549 +0.00%
  simplifycfg.NumFoldValueComparisonIntoPredecessors 512833 -> 512844 +0.00%
  instcount.NumSwitchInst 624500 -> 624511 +0.00%
  simplifycfg.NumFoldBranchToCommonDest 747846 -> 747858 +0.00%
  instsimplify.NumReassoc 815252 -> 815264 +0.00%
  reassociate.NumChanged 4978958 -> 4978997 +0.00%
  correlated-value-propagation.NumCmps 270819 -> 270821 +0.00%
Regressions:
  aggressive-instcombine.NumInstrsReduced 44900 -> 44885 -0.03%
  aggressive-instcombine.NumExprsReduced 15545 -> 15543 -0.01%
  instcount.NumTruncInst 2076846 -> 2076653 -0.01%
  instcount.NumAndInst 3894745 -> 3894434 -0.01%
  gvn.NumGVNSimpl 4421690 -> 4421630 -0.00%
  simplifycfg.NumHoistCommonInstrs 2507910 -> 2507878 -0.00%
  simplifycfg.NumHoistCommonCode 879088 -> 879078 -0.00%
  instcount.NumSelectInst 1785002 -> 1784985 -0.00%
  instcount.NumOrInst 1151831 -> 1151821 -0.00%
  gvn.NumGVNInstr 149559 -> 149558 -0.00%

+10 libigl/bijective_composite_harmonic_mapping.ll
+8 wasmi-rs/0ub1jde20vya53xoib9dbvqz5.ll
+5 hermes/JSProxy.ll
+3 openspiel/quoridor.ll
+2 libquic/tasn_enc.ll
+1 abc/sscSim.ll
+1 cpython/_ssl.ll
+1 libigl/ViewerCore.ll
+1 llvm/LoopUtils.ll
+1 llvm/SemaType.ll
+1 pingora-rs/031lstpg0hmrazohafgtmu7kw.ll
+1 pola-rs/cztbx1zaxsgh33rhqav0blwq7.ll
+0 arrow/value_parsing.ll
+0 boost/src.ll
+0 ffmpeg/vf_lut3d.ll
+0 folly/OpenSSLCertUtils.ll
+0 jq/jv.ll
+0 lvgl/lv_draw_buf.ll
+0 openssl/pkcs12.ll
+0 openssl/recordlentest.ll
+0 openssl/rsa_gen.ll
+0 openssl/ssl_rsa.ll
+0 wasmedge/wasifunc.ll
-1 abc/lpkCut.ll
-1 hermes/HiddenClass.ll
-1 hermes/JSObject.ll
-1 llvm/CheckObjCDealloc.ll
-1 openssl/p12_kiss.ll
-1 wolfssl/tls13.ll
-2 abc/abcOrchestration.ll
-2 abc/abcResub.ll
-2 llvm/DeadStoreElimination.ll
-2 llvm/InstCombineSelect.ll
-3 abc/giaMulFind.ll
-3 abc/giaUtil.ll
-3 fmt/format-test.ll
-3 fmt/std-test.ll
-3 libquic/source_address_token.pb.ll
-3 llvm/HeuristicResolver.ll
-3 llvm/ModuleSymbolTable.ll
-3 llvm/SemaARM.ll
-3 llvm/SemaDeclCXX.ll
-3 node/libnode.crypto_util.ll
-3 openexr/internal_dwa.ll
-3 openssl/apps.ll
-3 openssl/decode_pvk2key.ll
-3 openusd/openexr-c.ll
-4 cpython/posixmodule.ll
-4 llvm/Compiler.ll
-4 llvm/RISCVInstPrinter.ll
-4 node/libnode.crypto_keys.ll
-4 oiio/CineonHeader.ll
-5 openssl/speed.ll
-6 fmt/ranges-test.ll
-6 folly/Zlib.ll
-6 lightgbm/tree.ll
-6 llvm/InstCombineAndOrXor.ll
-6 openssl/asn1_internal_test.ll
-8 cmake/openssl.ll
-8 curl/openssl.ll
-9 icu/collationbuilder.ll
-9 openssl/bio_lib.ll
-10 llvm/VPlanRecipes.ll

[github-actions]

Here is a concise summary of the major changes in this LLVM IR diff:

1. Boolean Logic Simplification: Multiple instances replace complex and/or/icmp chains with direct icmp eq/ne comparisons against combined bitmasks (e.g., and i64 X, MASK; icmp eq i64 ..., VALUE). This eliminates intermediate truncations and redundant comparisons.

2. Bitmask Constant Folding: Bitwise constants are updated to reflect merged masks (e.g., 2305843009213693952 | 536870911 → 2305843009750564864) and comparison values adjusted accordingly (icmp eq i64 ..., 0 → icmp eq i64 ..., MASK), enabling more precise control flow.

3. Phi Node & Branch Target Updates: Basic block predecessors in phi instructions and br terminator operands are updated to match new control-flow structure (e.g., %64 instead of %61, %._crit_edge40.i instead of %._crit_edge.i), ensuring correct SSA value merging after CFG changes.

4. Pointer Arithmetic & Load/Store Adjustments: In libigl/ViewerCore.ll, pointer arithmetic uses full i64 values instead of truncated i32, and store/load addresses are updated to match new pointer types and offsets (e.g., %27 → %28 in store i64 ...).

5. Exception Handling & Landing Pad Cleanup: Exception handling paths are simplified: some landingpad blocks are removed or redirected, phi nodes for exception payloads are updated with new predecessor blocks, and resume/unreachable blocks are adjusted to match revised unwind edges.

These changes collectively improve code clarity, reduce instruction count, and enhance optimization opportunities by simplifying boolean logic, folding constants, and maintaining correct SSA form after structural updates.

model: qwen-plus-latest
CompletionUsage(completion_tokens=425, prompt_tokens=112263, total_tokens=112688, completion_tokens_details=None, prompt_tokens_details=None)

[dtcxzyw]

Regression.