From 8b3e1adf2b4a69b6055dc4e07b4e97817208c904 Mon Sep 17 00:00:00 2001
From: "Duncan P. N. Exon Smith" <dexonsmith@apple.com>
Date: Thu, 11 Nov 2021 18:20:52 -0800
Subject: [PATCH] IR: Avoid duplication of SwitchInst::findCaseValue(), NFC

Change the non-const version of findCaseValue() to forward to the const
version.
---
 llvm/include/llvm/IR/Instructions.h | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/llvm/include/llvm/IR/Instructions.h b/llvm/include/llvm/IR/Instructions.h
index 0ef78881c6d7a..45984d2d0a727 100644
--- a/llvm/include/llvm/IR/Instructions.h
+++ b/llvm/include/llvm/IR/Instructions.h
@@ -3515,12 +3515,9 @@ class SwitchInst : public Instruction {
   /// default case iterator to indicate that it is handled by the default
   /// handler.
   CaseIt findCaseValue(const ConstantInt *C) {
-    CaseIt I = llvm::find_if(
-        cases(), [C](CaseHandle &Case) { return Case.getCaseValue() == C; });
-    if (I != case_end())
-      return I;
-
-    return case_default();
+    return CaseIt(
+        this,
+        const_cast<const SwitchInst *>(this)->findCaseValue(C)->getCaseIndex());
   }
   ConstCaseIt findCaseValue(const ConstantInt *C) const {
     ConstCaseIt I = llvm::find_if(cases(), [C](ConstCaseHandle &Case) {