[llvm] [RISCV][GlobalISel] Create generic instructions to handle legalization and selection of G_GLOBAL_VALUE for medlow code model (PR #69562)

[Craig Topper via llvm-commits]

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@@ -164,6 +164,25 @@ bool RISCVInstructionSelector::select(MachineInstr &MI) {
   preISelLower(MI, MIB, MRI);
   const unsigned Opc = MI.getOpcode();
 
+  switch(Opc) {
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topperc wrote:

Why can't this be part of the normal switch?

https://github.com/llvm/llvm-project/pull/69562