[llvm] [RISCV] Remove SEW operand for load/store and SEW-aware pseudos (PR #90396)

[Luke Lau via llvm-commits]

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@@ -171,14 +180,29 @@ static inline bool hasRoundModeOp(uint64_t TSFlags) {
 /// \returns true if this instruction uses vxrm
 static inline bool usesVXRM(uint64_t TSFlags) { return TSFlags & UsesVXRMMask; }
 
+/// \returns true if this instruction has implict SEW value.
+static inline bool hasImplictSEW(uint64_t TSFlags) {
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lukel97 wrote:

```suggestion
static inline bool hasImplicitSEW(uint64_t TSFlags) {
```

https://github.com/llvm/llvm-project/pull/90396