[llvm] [RISCV][GlobalISel] Legalize Scalable Vector Loads and Stores (PR #84965)

Michael Maitland via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 23 09:33:28 PDT 2024


================
@@ -265,7 +266,23 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST)
           .legalForTypesWithMemDesc({{s32, p0, s8, 8},
                                      {s32, p0, s16, 16},
                                      {s32, p0, s32, 32},
-                                     {p0, p0, sXLen, XLen}});
+                                     {p0, p0, sXLen, XLen},
+                                     {nxv2s8, p0, nxv2s8, 8},
----------------
michaelmaitland wrote:

Do we need to check `hasVInstructions`?
```
if (ST.hasVInstructions())
  LoadStoreActions.legalForTypesWithMemDesc({...})
```

https://github.com/llvm/llvm-project/pull/84965


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