[llvm] [RISCV] Add short forward branch support for `min`, `max`, `maxu` and `minu` (PR #164394)

[Craig Topper via llvm-commits]

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@@ -1698,6 +1698,18 @@ unsigned getPredicatedOpcode(unsigned Opcode) {
   case RISCV::AND:   return RISCV::PseudoCCAND;   break;
   case RISCV::OR:    return RISCV::PseudoCCOR;    break;
   case RISCV::XOR:   return RISCV::PseudoCCXOR;   break;
+  case RISCV::MAX:
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topperc wrote:

We really shouldn't have an unreachable `break;`. I guess that's a mistake I made originally?

https://github.com/llvm/llvm-project/pull/164394