diff --git a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
--- a/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
+++ b/llvm/include/llvm/IR/IntrinsicsAMDGPU.td
@@ -949,6 +949,8 @@
 def int_amdgcn_buffer_load_format : AMDGPUBufferLoad<llvm_anyfloat_ty>;
 def int_amdgcn_buffer_load : AMDGPUBufferLoad;
 
+// Generate a buffer_load instruction that may be optimized to s_buffer_load if
+// the offset argument is uniform.
 def int_amdgcn_s_buffer_load : Intrinsic <
   [llvm_any_ty],
   [llvm_v4i32_ty,     // rsrc(SGPR)