[llvm] [LoopIdiom] Use HashRecognize to optimize CRC (PR #143208)

[Yingwei Zheng via llvm-commits]

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@@ -144,6 +145,14 @@ static cl::opt<bool, true>
                      cl::location(DisableLIRP::Wcslen), cl::init(false),
                      cl::ReallyHidden);
 
+bool DisableLIRP::HashRecognize;
+static cl::opt<bool, true> DisableLIRPHashRecognize(
+    "disable-" DEBUG_TYPE "-hashrecognize",
+    cl::desc("Proceed with loop idiom recognize pass, "
+             "enable conversion of loop(s) to wcslen."),
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dtcxzyw wrote:

This line should be updated.


https://github.com/llvm/llvm-project/pull/143208