[llvm] [IR] Don't store switch case values as operands (PR #170984)

[Nikita Popov via llvm-commits]

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@@ -243,4 +243,74 @@ TEST(MergeFunctions, FalseOutputFunctionsTest) {
   EXPECT_EQ(MergeResult.size(), 0u);
 }
 
-} // namespace
\ No newline at end of file
+TEST(MergeFunctions, SwitchMergeTrue) {
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nikic wrote:

I'd prefer if this were an IR test in llvm/test/Transforms/MergeFunc

https://github.com/llvm/llvm-project/pull/170984