AMDGPU: Split LDS vector loads

If properly aligned this could allow using ds_read_b64.

llvm-svn: 253975

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 5aed57b4b4d..4e2538eef31 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -1191,7 +1191,8 @@ SDValue SITargetLowering::LowerLOAD(SDValue Op, SelectionDAG &DAG) const {
           break;
         // fall-through
       case AMDGPUAS::LOCAL_ADDRESS:
-        return ScalarizeVectorLoad(Op, DAG);
+        // If properly aligned, if we split we might be able to use ds_read_b64.
+        return SplitVectorLoad(Op, DAG);
     }
   }