[llvm] [RISCV][GISel] Legalizer and register bank selection for G_JUMP_TABLE and G_BRJT (PR #71970)

[Michael Maitland via llvm-commits]

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@@ -131,13 +131,14 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) {
 
   getActionDefinitionsBuilder(G_BRCOND).legalFor({sXLen}).minScalar(0, sXLen);
 
+  getActionDefinitionsBuilder(G_BRJT).legalFor({{p0, sXLen}});
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michaelmaitland wrote:

Yea, sounds like it is better to not legalize it to avoid doing the extra work in selection to extend.

https://github.com/llvm/llvm-project/pull/71970