add vgpr16 to reg pressure case

broxigarchen · broxigarchen · commit 6aaa207a123f · 2025-07-24T15:29:20.000-04:00
diff --git a/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp b/llvm/lib/Target/AMDGPU/SIRegisterInfo.cpp
@@ -3752,6 +3752,7 @@ unsigned SIRegisterInfo::getRegPressureLimit(const TargetRegisterClass *RC,
   default:
     return AMDGPUGenRegisterInfo::getRegPressureLimit(RC, MF);
   case AMDGPU::VGPR_32RegClassID:
+  case AMDGPU::VGPR_16RegClassID:
     return std::min(
         ST.getMaxNumVGPRs(
             MinOcc,
