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[x86] Add ISD::VECREDUCE integer MIN/MAX handling instead of matching in DAG

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open.

Task

#194624 In llvm/llvm-project;

· RKSimon opened on Apr 28, 2026

[meta][x86] Add ISD::VECREDUCE handling instead of matching in DAG

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

metaissueIssue to collect references to a group of similar or related issues.Issue to collect references to a group of similar or related issues.

Status: Open.

Task

#194621 In llvm/llvm-project;

· RKSimon opened on Apr 28, 2026

clang crashes at -O{s,2,3} on x86_64-linux-gnu: Assertion `!NodePtr->isKnownSentinel()' failed

crash-on-valid

vectorizers

Status: Open.

#194618 In llvm/llvm-project;

· zhendongsu opened on Apr 28, 2026

[VectorCombine] foldShuffleChainsToReduce - add support for partial vector reductions

llvm::vectorcombineCost-based vector combine passCost-based vector combine pass

missed-optimization

Status: Open.

Feature

#194617 In llvm/llvm-project;

· RKSimon opened on Apr 28, 2026

[clang] Assertion `!MemberQuals.hasAddressSpace()' failed.

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

generated by fuzzer

regression:19Regression in 19 releaseRegression in 19 release

Status: Open.

Bug

#194605 In llvm/llvm-project;

· k-arrows opened on Apr 28, 2026

[Flang][Semantics] Flang crashes on invalid CHARACTER function result declaration instead of reporting semantic error.

flangFlang issues not falling into any other categoryFlang issues not falling into any other category

Status: Open.

#194596 In llvm/llvm-project;

· ShashwathiNavada opened on Apr 28, 2026

Regression in coroutines -- ICE with private inheritance on promise types

new issue

Status: Open.

#194595 In llvm/llvm-project;

· KayEss opened on Apr 28, 2026

ReassociatePass::OptimizeAdd: Assertion `NumAddedValues > 1 && "Each occurrence should contribute a value"' failed

crash-on-valid

Status: Open.

Bug

#194590 In llvm/llvm-project;

· gregbedwell opened on Apr 28, 2026

[clangd] crashed during building preamble

clangd

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

Status: Open.

Bug

#194585 In llvm/llvm-project;

· neko-para opened on Apr 28, 2026

Building Library\Bee\artifacts\WebGL\GameAssembly\release_WebGL_wasm\v8zj7mpw72di.o Failed

new issue

Status: Open.

#194575 In llvm/llvm-project;

· ojanckv2 opened on Apr 28, 2026

[flang] Missing diagnostic for BIND(C) procedure defined in a submodule

flangFlang issues not falling into any other categoryFlang issues not falling into any other category

Status: Open.

#194570 In llvm/llvm-project;

· Saieiei opened on Apr 28, 2026

[hexagon] Benchmark failure due to incorrect calculation of the max value’s position in the array.

new issue

Status: Open.

#194566 In llvm/llvm-project;

· akashagrwl opened on Apr 28, 2026