llvm-project

67f77cf2 - [AMDGPU] Add DS loop wait optimization infrastructure (1/4)

[AMDGPU] Add DS loop wait optimization infrastructure (1/4) Add the infrastructure for DS wait count optimization in single-block loops with WMMA instructions (GFX12+). This patch adds the loop eligibility check. This is the first of 4 patches to split the DS loop wait optimization. Subsequent patches will add: - DS load position analysis - Wait count relaxation - Preheader flush and edge case handling Assisted-by: Cursor / claude-4.5-opus-high