Here is a list of all documented files with brief descriptions:

loomc
iree
task_pool.h	Optional adapters between Loom task pools and IREE task executors
target
amdgpu
base.h	AMDGPU target package identity and environment creation
emit.h	AMDGPU HSACO emission option space
iree_hal.h	AMDGPU target profiles from IREE HAL devices
profile.h	AMDGPU target profile facts
cmd
program.h	Portable command-program products and independent kernel requests
llvmir
base.h	LLVMIR target package identity and environment creation
emit.h	LLVMIR emission option space
spirv
base.h	SPIR-V target package identity and environment creation
emit.h	SPIR-V emission option space
iree_hal.h	SPIR-V target profiles from IREE HAL devices
profile.h	SPIR-V target profile facts
vulkan.h	Raw Vulkan SPIR-V profile adapter
vulkaninfo.h	Saved vulkaninfo profile importer for SPIR-V targets
amdgpu.h	AMDGPU target package aggregation header
cmd.h	Portable command target package aggregation header
iree_hal.h	Optional target-profile router for IREE HAL devices
llvmir.h	LLVMIR target package aggregation header
spirv.h	SPIR-V target package aggregation header
artifact.h	In-memory output artifacts produced by compiler operations
artifact_manifest.h	Artifact manifest emission controls
base.h	Base types, descriptors, spans, and host allocation helpers
byte_sequence.h	Immutable ref-counted byte sequences
compile.h	Prepared compilers and module compilation
compile_report.h	Compile report emission controls
config.h	Text and JSON configuration bindings
context.h	Reusable Loom API context
diagnostic.h	Structured diagnostics produced by completed operations
emit.h	Target artifact emission from prepared Loom modules
iree.h	Optional header-only adapters between IREE base types and the Loom C API
launch_config.h	Compiled kernel launch configurations
link.h	Linker and opaque linked-module handles
link_dependency.h	Strict direct-dependency analysis over frozen link indexes
link_index.h	Reusable link indexes for deterministic library and source discovery
loomc.h	Umbrella include for the public Loom C API
module.h	Opaque in-memory Loom modules
pass.h	Prepared pass programs
product.h	Immutable compiler products and their recursively published requests
result.h	Shared operation result container
sanitizer.h	Sanitizer compile options
source.h	Immutable source handles used by parsing, indexing, linking, and compiling
status.h	Status codes and rich infrastructure error reporting
target.h	Prepared target environments and target lowering pipelines
task.h	Generic caller-scheduled work
task_pool.h	Optional standard worker population for concurrent application work
task_queue.h	Generic Loom task queue attached to a standard task pool
workspace.h	Per-worker scratch workspace