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

[Michael Maitland via llvm-commits]

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@@ -3330,16 +3330,17 @@ LegalizerHelper::LegalizeResult LegalizerHelper::lowerLoad(GAnyLoad &LoadMI) {
   LLT MemTy = MMO.getMemoryType();
   MachineFunction &MF = MIRBuilder.getMF();
 
-  unsigned MemSizeInBits = MemTy.getSizeInBits();
-  unsigned MemStoreSizeInBits = 8 * MemTy.getSizeInBytes();
+  unsigned MinMemSizeInBits = MemTy.getSizeInBits().getKnownMinValue();
+  unsigned MinMemStoreSizeInBits =
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michaelmaitland wrote:

Or use https://llvm.org/doxygen/classllvm_1_1details_1_1FixedOrScalableQuantity.html#aa5b3e822013fe51665e9bddc4874cd48

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