[llvm] [RISCV][GISEL] Add legalizer for G_BSWAP (PR #70226)

[via llvm-commits]

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@@ -81,6 +81,8 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
         .clampScalar(BigTyIdx, XLenLLT, XLenLLT);
   }
 
+  getActionDefinitionsBuilder(G_BSWAP).lower();
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tschuett wrote:

Any plans to limit the legal types?

https://github.com/llvm/llvm-project/pull/70226