[llvm-branch-commits] [InstCombiner] Remove unused `llvm.experimental.hot()` (PR #84851)

[Vitaly Buka via llvm-branch-commits]

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@@ -56,7 +56,14 @@ using namespace CodeGen;
 // Experiment to make sanitizers easier to debug
 static llvm::cl::opt<bool> ClSanitizeDebugDeoptimization(
     "ubsan-unique-traps", llvm::cl::Optional,
-    llvm::cl::desc("Deoptimize traps for UBSAN so there is 1 trap per check"),
+    llvm::cl::desc("Deoptimize traps for UBSAN so there is 1 trap per check."),
+    llvm::cl::init(false));
+
+// TODO: Introduce frontend options to enabled per sanitizers, similar to
+// `fsanitize-trap`.
+static llvm::cl::opt<bool> ClSanitizeExpHot(
+    "ubsan-exp-hot", llvm::cl::Optional,
+    llvm::cl::desc("Pass UBSAN checks if `llvm.experimental.hot()` is true."),
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vitalybuka wrote:

@jroelofs  It should be in a different one, I'll add you into the review

https://github.com/llvm/llvm-project/pull/84851