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[clang][x86-64] Assertion failure in SelectionDAGBuilder::visitInlineAsm (“ConstraintID != InlineAsm::ConstraintCode::Unknown”)

backend:X86

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

generated by fuzzer

inline-asm

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open.

Bug

#149109 In llvm/llvm-project;

· BKUS21 opened on Jul 16, 2025

RuntimeLibcalls: Fix calling conv of win32 div libcalls

backend:X86

llvm:ir

platform:windows

Status: Open (in progress).

llvm/llvm-projectnumber 149098

#149098 In llvm/llvm-project;

· arsenm opened on Jul 16, 2025

x86-64 optimization: (x <= 0xFFFFF) in '-Os' mode can convert to ((x >> 20) == 0)

backend:X86

missed-optimization

Status: Open.

#149073 In llvm/llvm-project;

· Explorer09 opened on Jul 16, 2025

[NFC][Clang][FMV] Refactor sema checking of target_version/clones attributes.

backend:AArch64

backend:ARM

backend:RISC-V

backend:X86

clangClang issues not falling into any other categoryClang issues not falling into any other category

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

Status: Open (in progress).

llvm/llvm-projectnumber 149067

#149067 In llvm/llvm-project;

· labrinea opened on Jul 16, 2025

MC: Restructure MCAlignFragment as a fixed part an alignment tail

backend:loongarch

backend:RISC-V

backend:WebAssembly

backend:X86

mcMachine (object) codeMachine (object) code

Status: Open (in progress).

llvm/llvm-projectnumber 149030

#149030 In llvm/llvm-project;

· MaskRay opened on Jul 16, 2025

Clang assertion failure at O2 "Assertion `MI->getOpcode() == TargetOpcode::INLINEASM_BR && "end of copy chain MUST be INLINEASM_BR"' failed."

backend:X86

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

generated by fuzzer

inline-asm

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open.

Bug

#149023 In llvm/llvm-project;

· bi6c opened on Jul 16, 2025

[AtomicExpand] Add bitcasts when expanding load atomic vector

backend:ARM

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

llvm:transforms

Status: Open (in progress).

llvm/llvm-projectnumber 148900

#148900 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025

[X86] Cast atomic vectors in IR to support floats

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 148899

#148899 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025

[X86] Remove extra MOV after widening atomic load

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 148898

#148898 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025

[SelectionDAG] Widen <2 x T> vector types for atomic load

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open (in progress).

llvm/llvm-projectnumber 148897

#148897 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025

[X86] Add atomic vector tests for unaligned >1 sizes.

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 148896

#148896 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025

[X86] Manage atomic load of fp -> int promotion in DAG

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 148895

#148895 In llvm/llvm-project;

· jofrn opened on Jul 15, 2025