[llvm] [RISCV][NFC] Prepare for Short Forward Branch of branches with immediates (PR #182456)

[Craig Topper via llvm-commits]

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@@ -1295,6 +1295,50 @@ RISCVCC::CondCode RISCVCC::getInverseBranchCondition(RISCVCC::CondCode CC) {
   }
 }
 
+// Return inverse branch
+unsigned RISCVCC::getInverseBranchOpcode(unsigned BCC) {
+  switch (BCC) {
+  default:
+    llvm_unreachable("Unexpected condition code!");
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topperc wrote:

condition code -> branch opcode

https://github.com/llvm/llvm-project/pull/182456