KhronosGroup/SPIRV-Tools

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Stars: 1.4k
Forks: 709
Open beginner issues: 0
Indexed issues: 430
Avg merge: 1d 22h
Merged PRs (30d): 28

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 18, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
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430 open issues indexed

spirv-fuzz: invalid OpAtomicLoad generated for pointer to struct Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

KhronosGroup/SPIRV-Tools#6888 · 1 comment · Opened Sep 14, 2026
add eliminate_dead_UBO_members_pass to spirv-opt Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/SPIRV-Tools#6883 · Opened Sep 11, 2026
spirv-val seems to be overly strict with subgroup builtins Open

Difficulty 3/5 1-2 days Newbie friendliness 65/100

KhronosGroup/SPIRV-Tools#6860 · 1 comment · Opened Sep 1, 2026
spirv-objdump --source incorrectly extracts SPIR-V string operands Open

Difficulty 2/5 1-3 hours Newbie friendliness 84/100

KhronosGroup/SPIRV-Tools#6849 · Opened Aug 23, 2026
spirv-val accepts an OpenCL.std printf format operand typed as a pointer to an array of i8 Open

component:validation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6846 · Opened Aug 18, 2026
Provide builds for releases as well Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

KhronosGroup/SPIRV-Tools#6822 · 1 comment · Opened Aug 3, 2026
spirv-dis terminates on invalid instructions Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6806 · 2 comments · Opened Jul 22, 2026
Add a spirv-opt pass to add NonWritable to top-level structs when all members are NonWritable Open

component:optimization

Difficulty 4/5 3-5 days Newbie friendliness 48/100

KhronosGroup/SPIRV-Tools#6785 · 4 comments · Opened Jul 9, 2026
Add a custom hook/extension mechanism for user defined passes Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/SPIRV-Tools#6781 · 2 comments · Opened Jul 6, 2026
Add missing SPV_EXT_split_barrier check Open

component:validation

KhronosGroup/SPIRV-Tools#6771 · 1 comment · 1 assignee · Opened Jul 1, 2026
spirv-val: Detect OpUndef used on descriptors Open

component:validation

KhronosGroup/SPIRV-Tools#6762 · 1 assignee · Opened Jun 26, 2026
Uncaught std::out_of_range (unordered_map::at) in OrderBlocks/NestSuccessors aborts the disassembler on a malformed CFG (REORDER_BLOCKS) Open

component:as/dis

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

KhronosGroup/SPIRV-Tools#6755 · Opened Jun 19, 2026
CMake config files should use namespaced targets Open

component:general-utility

Difficulty 4/5 3-5 days Newbie friendliness 25/100

KhronosGroup/SPIRV-Tools#6752 · Opened Jun 18, 2026
OpUndef in output of spirv-opt -Os on shader with non-semantic debug info seems unexpected Open

component:optimization

KhronosGroup/SPIRV-Tools#6718 · 7 comments · 1 assignee · Opened May 28, 2026
[SPIRV-OPT] ASan heap-use-after-free in `MergeReturnPass` with `--merge-return` Open

component:optimization

Difficulty 4/5 3-5 days Newbie friendliness 64/100

KhronosGroup/SPIRV-Tools#6711 · Opened May 21, 2026
spirv-val: Missing OffsetIdEXT check on a struct Open

component:validation

KhronosGroup/SPIRV-Tools#6696 · 1 comment · 1 assignee · Opened May 15, 2026
CreateRemoveUnusedInterfaceVariablesPass removes variables even if preserve_interface=true Open

component:optimization

KhronosGroup/SPIRV-Tools#6673 · 1 assignee · Opened May 6, 2026
[SpirvOpt] --eliminate-dead-code-aggressive causes a crash when DebugBuildIdentifier is used Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

KhronosGroup/SPIRV-Tools#6619 · Opened Mar 27, 2026
Use NonSemantic info and other source debug information to map SPIR-V Validation errors to original source Open

component:validation

KhronosGroup/SPIRV-Tools#6617 · 6 comments · 3 reactions · 1 assignee · Opened Mar 27, 2026
Allow to use containers other than std::unordered_map Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/SPIRV-Tools#6613 · 1 comment · Opened Mar 25, 2026
spirv-val: Add missing specialization constant check Open

component:validation

KhronosGroup/SPIRV-Tools#6603 · 1 assignee · Opened Mar 16, 2026
spirv-val: Missing transform feedback validation around Offset in the output variable Open

component:validation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6594 · 1 comment · Opened Mar 12, 2026
spirv-val: PhysicalStorageBuffer64 with RowMatrix pointers Open

component:validation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6590 · 1 comment · Opened Mar 12, 2026
spirv-val: Missing interface VUs Open

component:validation

Difficulty 4/5 3-5 days Newbie friendliness 42/100

KhronosGroup/SPIRV-Tools#6588 · Opened Mar 12, 2026
spirv-val: Vulkan DynamicIndexing constant integral expressions checks Open

component:validation

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6586 · 1 comment · Opened Mar 12, 2026
spirv-val Validate OpSpecConstantOp Open

component:validation

KhronosGroup/SPIRV-Tools#6564 · 4 comments · 1 assignee · Opened Mar 2, 2026
[spirv-val] are values of different base types (underlying types) allowed to be packed in a location ? Open

component:validation

KhronosGroup/SPIRV-Tools#6558 · 7 comments · 1 assignee · Opened Feb 26, 2026
`assert(width...)` should take into account fp8 types in GetWordsFromScalarFloatConstant Open

Difficulty 3/5 1-2 days Newbie friendliness 58/100

KhronosGroup/SPIRV-Tools#6533 · 1 comment · Opened Feb 3, 2026
spirv-opt --convert-relaxed-to-half pass introducing bugs in shader Open

KhronosGroup/SPIRV-Tools#6476 · 3 comments · 1 assignee · Opened Dec 22, 2025
Shader.DebugInfo.100 DebugGlobalVariable using DebugExpression Open

component:validation

KhronosGroup/SPIRV-Tools#6469 · 2 comments · 1 assignee · Opened Dec 16, 2025
Stack overflow from `spvtools::opt::SSARewriter::GetReachingDef` recursion Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

KhronosGroup/SPIRV-Tools#6465 · 2 comments · Opened Dec 12, 2025
spirv-val doesn't validate presence of StoragePushConstant16 capability Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

KhronosGroup/SPIRV-Tools#6435 · 1 comment · Opened Nov 26, 2025
[spirv-opt] OpLoads are not de-duplicated for Images Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6414 · Opened Nov 15, 2025
[spirv-opt] OpLoads are not de-duplicated for NonWritable buffers Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6412 · Opened Nov 15, 2025
[spirv-val] OpCooperativeMatrixLoadKHR not checking if loading through an array Open

component:validation

KhronosGroup/SPIRV-Tools#6410 · 6 comments · 1 assignee · Opened Nov 12, 2025
[spirv-opt] Reassociation Pass Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

KhronosGroup/SPIRV-Tools#6407 · 2 comments · Opened Nov 12, 2025
Build is confused by installed SPIRV-Tools Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

KhronosGroup/SPIRV-Tools#6405 · 1 comment · Opened Nov 11, 2025
[spirv-opt] validation failure in spirv-opt eliminate-dead-code-aggressive on slang shader Open

component:optimization

Difficulty 4/5 3-5 days Newbie friendliness 42/100

KhronosGroup/SPIRV-Tools#6365 · 1 comment · Opened Oct 16, 2025
[spirv-val] Incorrect error message on local size Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6319 · Opened Sep 10, 2025
OpConditionalEntryPointINTEL not handled by spirv-opt Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6277 · Opened Aug 29, 2025
spirv-dis: Showing byte offsets can immensely bloat disassembly size due to alignment code Open

component:as/dis

KhronosGroup/SPIRV-Tools#6264 · 1 assignee · Opened Aug 20, 2025
Optimizer: crash when overflowing Open

component:optimization

KhronosGroup/SPIRV-Tools#6260 · 3 comments · 1 assignee · Opened Aug 19, 2025
Can we move mimalloc.cpp to a separate directory? Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

KhronosGroup/SPIRV-Tools#6250 · 1 comment · Opened Aug 10, 2025
Running canonicalize IDs on a shader containing non-semantic debug info results in spirv-val error Open

component:optimization

KhronosGroup/SPIRV-Tools#6218 · 1 comment · 1 assignee · Opened Jul 14, 2025
Duplicate old copy of `generate_language_headers.py` Open

KhronosGroup/SPIRV-Tools#6186 · 2 comments · 1 assignee · Opened Jun 18, 2025
Spurious differences in `OpVariable` instructions Open

KhronosGroup/SPIRV-Tools#6109 · 3 comments · 1 assignee · Opened Apr 28, 2025
spirv-val: doesn't seem to check for `VK_KHR_workgroup_memory_explicit_layout` extension and capability Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

KhronosGroup/SPIRV-Tools#6081 · 1 comment · Opened Apr 7, 2025
Performance Optimizations (spirv-opt `-O` flag) break code with `Aliased` decorated variables Open

KhronosGroup/SPIRV-Tools#6061 · 8 comments · 1 assignee · Opened Mar 21, 2025
incomplete validation of 'same block' data rule for images, samplers, and sampled images Open

KhronosGroup/SPIRV-Tools#6053 · 2 comments · 1 assignee · Opened Mar 19, 2025
Split and Resolve passes fail to convert some materials. Open

KhronosGroup/SPIRV-Tools#6051 · 6 comments · 1 assignee · Opened Mar 19, 2025

KhronosGroup/SPIRV-Tools

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