[llvm] [AggressiveInstCombine] Memchr inline (PR #130525)

[Yingwei Zheng via llvm-commits]

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@@ -54,10 +54,9 @@ static cl::opt<unsigned> StrNCmpInlineThreshold(
     cl::desc("The maximum length of a constant string for a builtin string cmp "
              "call eligible for inlining. The default value is 3."));
 
-static cl::opt<unsigned>
-    MemChrInlineThreshold("memchr-inline-threshold", cl::init(3), cl::Hidden,
-                          cl::desc("The maximum length of a constant string to "
-                                   "inline a memchr call."));
+static cl::opt<unsigned> MemChrInlineThreshold(
+    "memchr-inline-threshold", cl::init(6), cl::Hidden,
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dtcxzyw wrote:

I suggest keeping it at 3 if you do not have some performance data on llvm-test-suite/SPEC.


https://github.com/llvm/llvm-project/pull/130525