Issues

• SPV-IR round trip duplicates the FPRoundingMode decoration

  KhronosGroup/SPIRV-LLVM-Translator#4100 · Filter by author pvelesko opened on Oct 14, 2026

• llvm-spirv hits UNREACHABLE "Not implemented" in transType for scalable vector types

  KhronosGroup/SPIRV-LLVM-Translator#4095 · Filter by author pvelesko opened on Oct 14, 2026

• Volatile llvm.memcpy loses Volatile on the Source memory operand under SPIR-V 1.4

  KhronosGroup/SPIRV-LLVM-Translator#4094 · Filter by author pvelesko opened on Oct 14, 2026

• llvm.memcpy with destination align but no source align asserts "Missed Source alignment!"

  KhronosGroup/SPIRV-LLVM-Translator#4093 · Filter by author pvelesko opened on Oct 14, 2026

• Function declaration emitted after definition when a global initializer uses SPV_INTEL_function_pointers

  KhronosGroup/SPIRV-LLVM-Translator#4090 · Filter by author pvelesko opened on Oct 14, 2026

• SPV-IR round trip duplicates the SaturatedConversion decoration

  KhronosGroup/SPIRV-LLVM-Translator#4085 · Filter by author pvelesko opened on Oct 14, 2026

• Large memsets result in unexpected alloca

  KhronosGroup/SPIRV-LLVM-Translator#3986 · Filter by author bokrzesi opened on Aug 20, 2026

• Reverse translation of OpCompositeConstruct with a vector constituent produces invalid insertelement

  KhronosGroup/SPIRV-LLVM-Translator#3860 · Filter by author bricevideau-ai opened on Jul 10, 2026

• Translation of NonSemantic.Shader.DebugInfo DebugLocalVariable ArgNumber does not correctly wrap/unwrap in OpConstant

  KhronosGroup/SPIRV-LLVM-Translator#3768 · Filter by author AdamBrouwersHarries opened on Jun 1, 2026

• Introduce support for NonSemantic.Shader.DebugInfo rolling version

  KhronosGroup/SPIRV-LLVM-Translator#3749 · Filter by author MrSidims opened on May 12, 2026
  8

• Core SPIR-V feature SubgroupSize is translated to non-core attribute intel_reqd_sub_group_size

  KhronosGroup/SPIRV-LLVM-Translator#3742 · Filter by author AdamBrouwersHarries opened on May 8, 2026
  4

  

• llvm.sadd.with.overflow: vector types not lowered

  KhronosGroup/SPIRV-LLVM-Translator#3676 · Filter by author vmaksimo opened on Apr 8, 2026

• INTEL -> ALTERA extensions migration is not completed

  KhronosGroup/SPIRV-LLVM-Translator#3566 · Filter by author MrSidims opened on Feb 6, 2026

• [Question / Feature Request] Translation of floating point canonicalize (@llvm.canonicalize)

  KhronosGroup/SPIRV-LLVM-Translator#3559 · Filter by author Maetveis opened on Feb 2, 2026
  5

• CI - Build with more than 2 threads

  KhronosGroup/SPIRV-LLVM-Translator#3481 · Filter by author spencer-lunarg opened on Jan 5, 2026
  4

• Support for SPV_NV_cooperative_matrix2 and SPV_NV_tensor_addressing

  KhronosGroup/SPIRV-LLVM-Translator#3472 · Filter by author VarLad opened on Dec 16, 2025
  5

• In-LLVM-tree build fails: no matching function for call to ‘llvm::StringSwitch<...>::Cases

  KhronosGroup/SPIRV-LLVM-Translator#3469 · Filter by author eyalroz opened on Dec 7, 2025
  3

• errors when compiling with clang

  KhronosGroup/SPIRV-LLVM-Translator#3412 · Filter by author simeonschaub opened on Oct 23, 2025
  5

• call to mangled atomic_add builtin not lowered to OpAtomicFAddEXT

  KhronosGroup/SPIRV-LLVM-Translator#3404 · Filter by author simeonschaub opened on Oct 20, 2025
  3

• kernel calling alloca in non-top block fails validation

  KhronosGroup/SPIRV-LLVM-Translator#3389 · Filter by author simeonschaub opened on Oct 15, 2025
  5

• SPIRVReader: reverse-translated argument types differ from clang output since opaque pointers

  KhronosGroup/SPIRV-LLVM-Translator#3287 · Filter by author svenvh opened on Aug 4, 2025
  4

• clang-20.1 starts to zero padding in global initializers

  KhronosGroup/SPIRV-LLVM-Translator#3253 · Filter by author karolherbst opened on Jul 5, 2025
  6

• Translate -emit-opaque-pointers to LLVM's -opaque-pointers (LLVM 16)

  KhronosGroup/SPIRV-LLVM-Translator#3250 · Filter by author karolzwolak opened on Jun 30, 2025

• SPIR-V validation failed: OpenCL.DebugInfo.100 DebugFunction: expected operand Declaration must be a result id of DebugFunctionDeclaration

  KhronosGroup/SPIRV-LLVM-Translator#3247 · Filter by author pvelesko opened on Jun 28, 2025

• Crash on startup: CommandLine Error: Option 'spirv-ext' registered more than once!

  KhronosGroup/SPIRV-LLVM-Translator#3217 · Filter by author berolinux opened on Jun 7, 2025
  2