Issues

• [Xtensa] Windowed-ABI stack realignment changes SP with add instead of movsp, so a window spill corrupts the caller's base save area

  espressif/llvm-project#140 · Filter by author pRizz opened on Oct 4, 2026
  1

• [Xtensa] Wrong code for bytes of a global's address since 39a59933 (reads memory at the global)

  espressif/llvm-project#139 · Filter by author wackazong opened on Sep 30, 2026
  1

• espressif/llvm doesn't build with MSVC cl.exe

  espressif/llvm-project#138 · Filter by author ManuLinares opened on Sep 20, 2026

• Xtensa assembler rejects register names in cfi directives

  espressif/llvm-project#137 · Filter by author bugadani opened on Sep 3, 2026

• Incorrect return address register in debuginfo

  espressif/llvm-project#136 · Filter by author bugadani opened on Sep 3, 2026

• [Xtensa] Missing emergency spill slot causes register scavenger ICE

  espressif/llvm-project#134 · Filter by author MabezDev opened on Jul 20, 2026
  1

• Reduce binary size

  espressif/llvm-project#131 · Filter by author metarutaiga opened on May 17, 2026

• Improve support for esp32s3's 128-bit QR registers in inline asm

  espressif/llvm-project#129 · Filter by author vxpm opened on May 9, 2026

• Various xtensa crashes

  espressif/llvm-project#128 · Filter by author TurkeyMan opened on May 5, 2026
  1

• Exceptions cause crash in LLVM

  espressif/llvm-project#121 · Filter by author TurkeyMan opened on Mar 12, 2026
  5

• Support Picolibc with Clang toolchain (IDFGH-17199)

  Status: OpenedType: Feature Request
  espressif/llvm-project#125 · Filter by author jthoward64-lexcelon opened on Feb 5, 2026
  1

• Using esp-clang to compile will trig CPU0 WDT and/or other strange behavour(s) (EUB-90) (LLVM-461)

  Resolution: NAStatus: Done
  espressif/llvm-project#115 · Filter by author PickaxeHit opened on Jul 26, 2025
  12

  

• Nonmax library does not build (LLVM-436)

  Status: Opened
  espressif/llvm-project#111 · Filter by author Unaimend opened on Mar 15, 2025
  3

• Support for position independent code (PIC) (LLVM-419)

  Status: Opened
  espressif/llvm-project#106 · Filter by author benhansen-io opened on Dec 5, 2024
  2

• Sign extending an i8 to i32 gives an unexpected result (LLVM-403)

  Status: Opened
  espressif/llvm-project#102 · Filter by author jothan opened on Sep 16, 2024
  33

• broken dwarf (LLVM-351)

  Status: Opened
  espressif/llvm-project#98 · Filter by author yamt opened on Jun 21, 2024
  5

• indirect calls are always used (LLVM-321)

  Status: Opened
  espressif/llvm-project#90 · Filter by author yamt opened on Feb 6, 2024
  10

• tail call (LLVM-266)

  Status: In Progress
  espressif/llvm-project#72 · Filter by author yamt opened on Jun 15, 2023
  5

• Mac OS13 Ventura - Security warning when running clangd. (LLVM-240)

  Status: Opened
  espressif/llvm-project#64 · Filter by author andychess opened on Feb 24, 2023
  1

• the printf showed wrong result (LLVM-222)

  espressif/llvm-project#63 · Filter by author metarutaiga opened on Dec 8, 2022

• Compilation failure when trying to add xtensa as custom patch on apple/llvm-project

  espressif/llvm-project#39 · Filter by author Santhosh-KS opened on Sep 27, 2020

• Packaging and proper versioning (LLVM-76)

  espressif/llvm-project#28 · Filter by author ljmf00 opened on May 27, 2020

• Where can I find the ELF spec for xtensa? (LLVM-62)

  espressif/llvm-project#17 · Filter by author Weining2019 opened on Feb 27, 2020
  1

• Tracking Issue for merging to upstream (LLVM-57)

  espressif/llvm-project#4 · Filter by author polarathene opened on Jul 9, 2019
  103