[InstCombine] Remove unused argument. NFC

llvm-svn: 311529
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 55f49b0..762af6f 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1130,8 +1130,7 @@
 }
 
 /// Fold "icmp pred (X+CI), X".
-Instruction *InstCombiner::foldICmpAddOpConst(Instruction &ICI,
-                                              Value *X, ConstantInt *CI,
+Instruction *InstCombiner::foldICmpAddOpConst(Value *X, ConstantInt *CI,
                                               ICmpInst::Predicate Pred) {
   // From this point on, we know that (X+C <= X) --> (X+C < X) because C != 0,
   // so the values can never be equal.  Similarly for all other "or equals"
@@ -4675,11 +4674,11 @@
     Value *X; ConstantInt *Cst;
     // icmp X+Cst, X
     if (match(Op0, m_Add(m_Value(X), m_ConstantInt(Cst))) && Op1 == X)
-      return foldICmpAddOpConst(I, X, Cst, I.getPredicate());
+      return foldICmpAddOpConst(X, Cst, I.getPredicate());
 
     // icmp X, X+Cst
     if (match(Op1, m_Add(m_Value(X), m_ConstantInt(Cst))) && Op0 == X)
-      return foldICmpAddOpConst(I, X, Cst, I.getSwappedPredicate());
+      return foldICmpAddOpConst(X, Cst, I.getSwappedPredicate());
   }
   return Changed ? &I : nullptr;
 }
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index 6dcfade..54735a9 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -676,7 +676,7 @@
                                             ConstantInt *AndCst = nullptr);
   Instruction *foldFCmpIntToFPConst(FCmpInst &I, Instruction *LHSI,
                                     Constant *RHSC);
-  Instruction *foldICmpAddOpConst(Instruction &ICI, Value *X, ConstantInt *CI,
+  Instruction *foldICmpAddOpConst(Value *X, ConstantInt *CI,
                                   ICmpInst::Predicate Pred);
   Instruction *foldICmpWithCastAndCast(ICmpInst &ICI);