[llvm] [AMDGPU][NFCI] Declare offset0/1 operands to be i64. (PR #100560)

[Ivan Kosarev via llvm-commits]

================
@@ -1270,8 +1270,8 @@ bool AMDGPUDAGToDAGISel::SelectDSReadWrite2(SDValue Addr, SDValue &Base,
     // (add n0, c0)
     if (isDSOffset2Legal(N0, OffsetValue0, OffsetValue1, Size)) {
       Base = N0;
-      Offset0 = CurDAG->getTargetConstant(OffsetValue0 / Size, DL, MVT::i8);
-      Offset1 = CurDAG->getTargetConstant(OffsetValue1 / Size, DL, MVT::i8);
+      Offset0 = CurDAG->getTargetConstant(OffsetValue0 / Size, DL, MVT::i64);
+      Offset1 = CurDAG->getTargetConstant(OffsetValue1 / Size, DL, MVT::i64);
----------------
kosarev wrote:

Done.

https://github.com/llvm/llvm-project/pull/100560