[AArch64] Legalize MVT::i64x8 in DAG isel lowering

This patch legalizes the Machine Value Type introduced in D94096 for loads
and stores. A new target hook named getAsmOperandValueType() is added which
maps i512 to MVT::i64x8. GlobalISel falls back to DAG for legalization.

Differential Revision: https://reviews.llvm.org/D94097

1 files changed, 3 insertions, 3 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index d56d4bc..a085483 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -8176,7 +8176,7 @@ public:
       }
     }
 
-    return TLI.getValueType(DL, OpTy, true);
+    return TLI.getAsmOperandValueType(DL, OpTy, true);
   }
 };
 
@@ -8479,8 +8479,8 @@ void SelectionDAGBuilder::visitInlineAsm(const CallBase &Call,
             DAG.getDataLayout(), STy->getElementType(ResNo));
       } else {
         assert(ResNo == 0 && "Asm only has one result!");
-        OpInfo.ConstraintVT =
-            TLI.getSimpleValueType(DAG.getDataLayout(), Call.getType());
+        OpInfo.ConstraintVT = TLI.getAsmOperandValueType(
+            DAG.getDataLayout(), Call.getType()).getSimpleVT();
       }
       ++ResNo;
     } else {