================
@@ -103,30 +110,220 @@ static cl::opt<bool>
ICPDUMPAFTER("icp-dumpafter", cl::init(false), cl::Hidden,
cl::desc("Dump IR after transformation happens"));
+// This option is meant to be used by LLVM regression test and test the
+// transformation that compares vtables.
+static cl::opt<bool> ICPEnableVTableCmp(
+ "icp-enable-vtable-cmp", cl::init(false), cl::Hidden,
+ cl::desc("If ThinLTO and WPD is enabled and this option is true, "
+ "indirect-call promotion pass will compare vtables rather than "
+ "functions for speculative devirtualization of virtual calls."
+ " If set to false, indirect-call promotion pass will always "
+ "compare functions."));
+
+static cl::opt<float>
----------------
minglotus-6 wrote:
done.
https://github.com/llvm/llvm-project/pull/81442
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