[InstCombine] add helper function for foldICmpUsingKnownBits; NFCI
llvm-svn: 281217
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index bf0f4b2..00acab2 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -556,6 +556,7 @@
ICmpInst::Predicate Pred);
Instruction *foldICmpWithCastAndCast(ICmpInst &ICI);
+ Instruction *foldICmpUsingKnownBits(ICmpInst &Cmp);
Instruction *foldICmpInstWithConstant(ICmpInst &Cmp);
Instruction *foldICmpTruncConstant(ICmpInst &Cmp, Instruction *Trunc,