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

[Craig Topper via llvm-commits]

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@@ -249,7 +249,15 @@ 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},
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topperc wrote:

Shouldn't be sXLen, but we do need s64 when ST.hasVInstructionsI64() is true.

nxv1s8 shouldn't be supported unless getELEN() == 64. Same as the type legality rules for G_ADD.

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