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[RISC-V, clang++ 20.1.8] error in backend: Incomplete scavenging after 2nd pass

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

llvm:optimizations

Status: Open.

Bug

#156393 In llvm/llvm-project;

· Tang-Haojin opened on Sep 2, 2025

Crash clang frontend

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

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

debuginfo

Status: Open.

Bug

#156352 In llvm/llvm-project;

· VitorRamos opened on Sep 1, 2025

[Headers][X86] Allow vector bitcast intrinsics to be used in constexpr

backend:X86

clang:headersHeaders provided by Clang, e.g. for intrinsicsHeaders provided by Clang, e.g. for intrinsics

constexprAnything related to constant evaluationAnything related to constant evaluation

good first issuehttps://github.com/llvm/llvm-project/contributehttps://github.com/llvm/llvm-project/contribute

Status: Open.

Task

#156348 In llvm/llvm-project;

· RKSimon opened on Sep 1, 2025

[Headers][X86] Allow vector zero padding intrinsics to be used in constexpr

backend:X86

clang:headersHeaders provided by Clang, e.g. for intrinsicsHeaders provided by Clang, e.g. for intrinsics

constexprAnything related to constant evaluationAnything related to constant evaluation

good first issuehttps://github.com/llvm/llvm-project/contributehttps://github.com/llvm/llvm-project/contribute

Status: Open.

Task

#156346 In llvm/llvm-project;

· RKSimon opened on Sep 1, 2025

Assertion `L->isRecursivelyLCSSAForm(LAR.DT, LI) && "Loops must remain in LCSSA form!"' failed.

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

loopoptim

Status: Open.

Bug

#156334 In llvm/llvm-project;

· k-arrows opened on Sep 1, 2025

Feature request: pattern match for rotl / rotr

new issue

Status: Open.

#156322 In llvm/llvm-project;

· msalat opened on Sep 1, 2025

how to enable --instrument bolt runtime library bolt_rt_instr.a in x86_64 when compiling llvm-bolt in x86

BOLT

Status: Open.

#156319 In llvm/llvm-project;

· zhouyu0502 opened on Sep 1, 2025

Extra bitwise operations break store merging, resulting in very slow code

llvm:optimizations

missed-optimization

Status: Open.

#156316 In llvm/llvm-project;

· rdoeffinger opened on Sep 1, 2025

MemorySanitizer fails to report Use-Of-Uninitialized value in Pointer arithmetic with boolean operation.

compiler-rt:msanMemory sanitizerMemory sanitizer

false-negativeWarning doesn't fire when it shouldWarning doesn't fire when it should

Status: Open.

#156313 In llvm/llvm-project;

· lowroller26 opened on Sep 1, 2025

[AArch64] vector of u1 extraction broken under big endian targets

backend:AArch64

llvm:codegen

miscompilation

Status: Open.

#156312 In llvm/llvm-project;

· GiuseppeCesarano opened on Sep 1, 2025

lldb: coredump should resolve loaded modules vie debuginfod

lldb

Status: Open.

#156305 In llvm/llvm-project;

· aag-norbert-lange opened on Sep 1, 2025

Request Commit Access For <ukalappa-mips>

infra:commit-access-request

Status: Open.

#156296 In llvm/llvm-project;

· ukalappa-mips opened on Sep 1, 2025