[llvm] [SimplifyCFG] Simplify switch instruction that has duplicate arms (PR #114262)

[Michael Maitland via llvm-commits]

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@@ -0,0 +1,140 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
+; RUN: opt < %s -passes=simplifycfg -S | FileCheck %s -check-prefix=SIMPLIFY-CFG
+; RUN: opt < %s -O3 -S | FileCheck %s -check-prefix=O3
+
+define i32 @switch_all_duplicate_arms(i32 %0, i32 %1, i32 %2, i32 %3) {
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michaelmaitland wrote:

updated

https://github.com/llvm/llvm-project/pull/114262