[llvm] InstSimplify: teach simplifyICmpWithConstant about samesign (PR #125899)

[Nikita Popov via llvm-commits]

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@@ -32,6 +32,7 @@
 #define LLVM_IR_CONSTANTRANGE_H
 
 #include "llvm/ADT/APInt.h"
+#include "llvm/IR/CmpPredicate.h"
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nikic wrote:

Forward declare?

https://github.com/llvm/llvm-project/pull/125899