llvm-project

e6ae2462 - [AMDGPU] Refactor hazard recognizer for VALU-pipeline hazards. NFCI. (#168801)

[AMDGPU] Refactor hazard recognizer for VALU-pipeline hazards. NFCI. (#168801) This is in preparation of handling these in scheduler. I do not expect any changes to the produced code here, it is just an infrastructure. Our current problem with the VALU pipeline hazards is that we only insert V_NOP instructions in the hazard recognizer mode, but ignore it during scheduling. This patch is meant to create a mechanism to actually account for that during scheduling.