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How to generate 0xFFFFFFFF NAN value using __builtin_nanf

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#151138 In llvm/llvm-project;

· quic-k opened on Jul 29, 2025

Why does LLVM generate select ... -1 ... before operator new[] when array size < 1

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

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

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#151104 In llvm/llvm-project;

· guoxin049 opened on Jul 29, 2025

[mlir][SPIR-V] Question: How to lower math.isFinite to SPIR-V?

mlir:spirv

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#150778 In llvm/llvm-project;

· Rayfxl opened on Jul 26, 2025

How can I access DbgValueInst in LLVM Pass written by myself

debuginfo

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#150389 In llvm/llvm-project;

· enlist12 opened on Jul 24, 2025

Is the FlowSensitive WTODataflowWorklist used for anything?

clang:dataflowClang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.htmlClang Dataflow Analysis framework - https://clang.llvm.org/docs/DataFlowAnalysisIntro.html

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#150385 In llvm/llvm-project;

· steakhal opened on Jul 24, 2025

Do most LLVM compiler bugs come from the frontend or the middle/backend?

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#150214 In llvm/llvm-project;

· cpython-java opened on Jul 23, 2025

[mlir] How to simplify this overly complex size calculation after tiling?

mlir

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#150185 In llvm/llvm-project;

· banach-space opened on Jul 23, 2025

How to cross-build libclc standalone

libclclibclc OpenCL librarylibclc OpenCL library

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#149814 In llvm/llvm-project;

· rossburton opened on Jul 21, 2025

builtin causing strange errno corruption for function named reallocarray

llvm:analysisIncludes value tracking, cost tables and constant foldingIncludes value tracking, cost tables and constant folding

llvm:transforms

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#149108 In llvm/llvm-project;

· guijan opened on Jul 16, 2025

How to detect C++20 module declarations using libclang Python bindings?

clang:as-a-librarylibclang and C++ APIlibclang and C++ API

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#149002 In llvm/llvm-project;

· sheldonyancy opened on Jul 16, 2025

[MemProf] How to debug binary optimized by MemProf

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#148618 In llvm/llvm-project;

· lifengxiang1025 opened on Jul 14, 2025

Optimizer optimizes out potential infinite loop

llvm:optimizations

questionA question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!A question, not bug report. Check out https://llvm.org/docs/GettingInvolved.html instead!

Status: Open.

#148397 In llvm/llvm-project;

· Pranavkumar-T-S opened on Jul 12, 2025