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[InstCombine] Assertion failed in visitBitCastBitwiseLogic due to type mismatch during constant folding

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

llvm:instcombineCovers the InstCombine, InstSimplify and AggressiveInstCombine passesCovers the InstCombine, InstSimplify and AggressiveInstCombine passes

Status: Open.

Bug

#179626 In llvm/llvm-project;

· varev-dev opened on Feb 4, 2026

IR Outliner Enablement

ipoInterprocedural optimizationsInterprocedural optimizations

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.

#179624 In llvm/llvm-project;

· lenary opened on Feb 4, 2026

[clang][StaticAnalyzer] Crash when analyzing code importing C++20 modules built with coverage flags

clang:modulesC++20 modules and Clang Header ModulesC++20 modules and Clang Header Modules

clang:static analyzer

coverage

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

Status: Open.

Bug

#179620 In llvm/llvm-project;

· mrwsl opened on Feb 4, 2026

[GlobalISel] Support for optimized pow is missing

llvm:globalisel

missed-optimization

Status: Open.

#179617 In llvm/llvm-project;

· JaydeepChauhan14 opened on Feb 4, 2026

[InstCombine] Dropping <code>fabs</code> around <code>fmul (fabs nnan x)</code>, <code>+inf</code> changes <code>NaN</code> sign for <code>x=+0.0</code>

floating-pointFloating-point mathFloating-point math

llvm:instcombineCovers the InstCombine, InstSimplify and AggressiveInstCombine passesCovers the InstCombine, InstSimplify and AggressiveInstCombine passes

miscompilation

Status: Open.

#179613 In llvm/llvm-project;

· ariskeirio opened on Feb 4, 2026

Object file loading performance regression from LLVM 21 to 22

orcjit

performance

regression:22Regression in 22 releaseRegression in 22 release

Status: Open.

#179611 In llvm/llvm-project;

· jeaye opened on Feb 4, 2026

·  

LLVM 22.x Release

[X86] Missed Fold: <code>vgf2p8affineqb(vgf2p8affineqb(x, C1), C2)</code> =&gt; <code>vgf2p8affineqb(x, C3)</code>

backend:X86

missed-optimization

Status: Open.

#179607 In llvm/llvm-project;

· WalterKruger opened on Feb 4, 2026

[X86] Missed Fold: <code>vgf2p8affineqb(x ^ C, M, imm8)</code> =&gt; <code>vgf2p8affineqb(x, M, (u8)vgf2p8affineqb(C, M, imm8))</code>

backend:X86

missed-optimization

Status: Open.

#179606 In llvm/llvm-project;

· WalterKruger opened on Feb 4, 2026

movaps (16 byte aligned) generated instead of movups incorrectly for pointer (8 byte aligned) assignment

backend:X86

missed-optimization

Status: Open.

#179605 In llvm/llvm-project;

· grooverdan opened on Feb 4, 2026

[MLIR] GPU dialect program crashes when calling get on the APInt

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

mlir:gpu

Status: Open.

Bug

#179604 In llvm/llvm-project;

· kitty-1998 opened on Feb 4, 2026

Uncountable early exit loop vectorization with tail folding

vectorizers

Status: Open.

Feature

#179595 In llvm/llvm-project;

· lukel97 opened on Feb 4, 2026

[libc][SVE] consider implement SVE acceleration for memset

libc

simdAnything related to std::simd or vectorization in generalAnything related to std::simd or vectorization in general

SVEARM Scalable Vector ExtensionsARM Scalable Vector Extensions

Status: Open.

#179591 In llvm/llvm-project;

· SchrodingerZhu opened on Feb 4, 2026