[llvm] [IR] Add CallBr intrinsics support (PR #133907)

[Matt Arsenault via llvm-commits]

================
@@ -235,26 +235,26 @@ class IRTranslator : public MachineFunctionPass {
   bool translateStore(const User &U, MachineIRBuilder &MIRBuilder);
 
   /// Translate an LLVM string intrinsic (memcpy, memset, ...).
-  bool translateMemFunc(const CallInst &CI, MachineIRBuilder &MIRBuilder,
+  bool translateMemFunc(const CallBase &CI, MachineIRBuilder &MIRBuilder,
----------------
arsenm wrote:

I'd say it makes it harder to reason about. If the function is only used by CallInst and will only ever handle CallInst, using CallBase is misleading. I'd expect this case to use some common helper functions without being forced through the existing ordinary call visitors 

https://github.com/llvm/llvm-project/pull/133907