lenary

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Sam Elliott lenary

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Compiler Engineer

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Qualcomm
22:24 - 7h behind
https://lenary.co.uk

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lenary/README.md

About Me

👨‍💻 I'm a Compiler Engineer, working on LLVM-based Toolchains for RISC-V and other embedded platforms, at Qualcomm. In the past I have worked on toolchains for Arm and AArch64.

🤔 I used to be a programming languages researcher. I worked on Checked C and Idris, as well as other projects and publications.

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llvm/llvm-project Public

The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.

LLVM 32k 13.3k
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Big List of ABI Resources

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418 contributions in the last year

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Activity overview

Contributed to llvm/llvm-project, riscv-non-isa/riscv-c-api-doc, quic/riscv-elf-psabi-quic-extensions and 14 other repositories

Contribution activity

April 2025

Created 5 commits in 2 repositories

Created 1 repository

lenary/eld C++
This contribution was made on Apr 11

Created a pull request in llvm/llvm-project that received 12 comments

[RISCV] Allocate Feature Bits for Zilsd/Zclsd/Zcmp

As proposed in riscv-non-isa/riscv-c-api-doc#104 No real compiler-rt implementation, as these are not exposed by Linux.

+12 −3 lines changed • 12 comments

Opened 6 other pull requests in 3 repositories

llvm/llvm-project 3 merged 1 open

[RISCV][NFC] Correct c_lui_imm
This contribution was made on Apr 11
[RISCV][Xqcilo] Load/Store Pseudos
This contribution was made on Apr 8
[RISCV] Support Push/Pop with Xqci
This contribution was made on Apr 3
Reland [RISCV] Add Xqci Insn Formats
This contribution was made on Apr 2

qualcomm/eld 1 merged

[Xqci] Add R_RISCV_QC_* Relocation Tests
This contribution was made on Apr 11

riscv-non-isa/riscv-asm-manual 1 open

[Zilsd] Clarify Symbol Pseudos for Zilsd
This contribution was made on Apr 9

Reviewed 34 pull requests in 2 repositories

llvm/llvm-project 25 pull requests

[RISCV] Simplify fixup kinds that force relocations
This contribution was made on Apr 17
[RISCV] Xqcilb: remove RISCVMCExpr::VK_QC_E_JUMP_PLT and drop @plt parsing
This contribution was made on Apr 15
[RISCV] Refactor register list parsing and improve error messages.
This contribution was made on Apr 14
[RISCV] Fix xmipscmov extension name
This contribution was made on Apr 14
[RISCV][MC] Emit x8 as fp instead of s0
This contribution was made on Apr 14
[RISCV] Add support for vendor relocations on Xqci extensions
This contribution was made on Apr 13
RISCVAsmParser: Reject call foo@invalid
This contribution was made on Apr 13
[RISCV] Add symbol parsing support for Xqcilb long branch instructions
This contribution was made on Apr 11
[RISCV] Add Andes XAndesperf (Andes Performance) extension.
This contribution was made on Apr 10
[RISCV] Reuse existing tablegen classes for Zilsd/Zclsd. NFC
This contribution was made on Apr 9
[RISCV] Support Load/Store Global assembler pseudos for Zilsd.
This contribution was made on Apr 9
[RISCV][Xqcilo] Load/Store Pseudos
This contribution was made on Apr 8
[llc] Add -M for InstPrinter options
This contribution was made on Apr 8
[RISCV,test] Replace -riscv-no-aliases with -M no-aliases
This contribution was made on Apr 8
[RISCV] Add branch folding before branch relaxation
This contribution was made on Apr 8
[RISCV] Add symbol parsing support for Xqcili load large immediate instructions
This contribution was made on Apr 8
[RISCV][test] Fix a comment typo
This contribution was made on Apr 7
[RISCV] Relax out of range Xqcibi conditional branches
This contribution was made on Apr 4
[RISCV] Support Push/Pop with Xqci
This contribution was made on Apr 3
[RISCV] Add symbol parsing support for the Xqcibi branch immediate instructions
This contribution was made on Apr 3
[RISCV] Check S0 register list check for qc.cm.pushfp to after we parsed the whole register list.
This contribution was made on Apr 3
[RISCV] Don't allow '-' after 'ra' in Zcmp/Xqccmp register list.
This contribution was made on Apr 3
[Target] Construct SmallVector with ArrayRef (NFC)
This contribution was made on Apr 2
[RISCV] SiFive CLIC Support
This contribution was made on Apr 1
[RISCV] Use tablegen HasOneUse. NFC
This contribution was made on Apr 1
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riscv-non-isa/riscv-asm-manual 1 pull request

[Zilsd] Clarify Symbol Pseudos for Zilsd
This contribution was made on Apr 10