Search results

[X86] Remove lowerToAddSubOrFMAddSub and update test coverage

backend:X86

Status: Open.

Task

#144489 In llvm/llvm-project;

· RKSimon opened on Jun 17, 2025

Don't read from <code>vpcmpeqd xmm, xmm, xmm</code> and <code>vpternlogd zmm, zmm, zmm, 255</code> simultaneously

backend:X86

missed-optimization

Status: Open.

#144481 In llvm/llvm-project;

· Validark opened on Jun 17, 2025

[SimplifyCFG] Emit SelectInst when folding branches to common dest with different PHI incoming values

backend:AArch64

backend:PowerPC

backend:X86

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

llvm:transforms

Status: Open (in progress).

llvm/llvm-projectnumber 144434

#144434 In llvm/llvm-project;

· HighW4y2H3ll opened on Jun 16, 2025

[DebugInfo][RemoveDIs] Suppress getNextNonDebugInfoInstruction

backend:AArch64

backend:X86

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

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

clang:openmpOpenMP related changes to ClangOpenMP related changes to Clang

compiler-rt:sanitizer

coroutinesC++20 coroutinesC++20 coroutines

flang:openmp

libc

llvm:analysis

llvm:codegen

llvm:instcombine

llvm:ir

llvm:transforms

PGOProfile Guided OptimizationsProfile Guided Optimizations

vectorizers

Status: Open (in progress).

llvm/llvm-projectnumber 144383

#144383 In llvm/llvm-project;

· jmorse opened on Jun 16, 2025

[DAG] add (~a | x) &amp; (a | y) -&gt; (a &amp; (x ^ y)) ^y for foldMaskedMerge

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open (in progress).

llvm/llvm-projectnumber 144342

#144342 In llvm/llvm-project;

· woruyu opened on Jun 16, 2025

[X86] Delaying widening results in an unnecessary <code>vpmovsxwd</code> copy

backend:X86

Status: Open.

#144266 In llvm/llvm-project;

· dzaima opened on Jun 15, 2025

[SelectionDAG][x86] Ensure vector reduction optimization

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 144231

#144231 In llvm/llvm-project;

· sutajo opened on Jun 14, 2025

[SelectionDAG][x86] Shuffle pyramid is not eliminated

backend:X86

missed-optimization

Status: Open.

#144227 In llvm/llvm-project;

· sutajo opened on Jun 14, 2025

[clang][ARM] Include arm_acle.h in intrin.h on supported platforms

backend:AArch64

backend:ARM

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"

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

Status: Open (in progress).

llvm/llvm-projectnumber 144172

#144172 In llvm/llvm-project;

· sarnex opened on Jun 13, 2025

[LV][TTI] Calculate cost of extracting last index in a scalable vector

backend:AArch64

backend:AMDGPU

backend:ARM

backend:Hexagon

backend:PowerPC

backend:RISC-V

backend:SystemZ

backend:WebAssembly

backend:X86

llvm:analysis

llvm:transforms

vectorizers

Status: Open (in progress).

llvm/llvm-projectnumber 144086

#144086 In llvm/llvm-project;

· david-arm opened on Jun 13, 2025

[X86] Truncate i64 add to i32 when upper 33 bits are zeros

backend:X86

Status: Open (in progress).

llvm/llvm-projectnumber 144066

#144066 In llvm/llvm-project;

· omkar-mohanty opened on Jun 13, 2025

[LLVM][CostModel] Support struct types in select

backend:X86

llvm:analysis

Status: Open (in progress).

llvm/llvm-projectnumber 144016

#144016 In llvm/llvm-project;

· ivanradanov opened on Jun 13, 2025