InstCombine: Remove dead fsub-as-fneg handling

The above combine matching m_FNeg to produce a new fneg always would hide this.
llvm · Aug 2, 2023 · ed0dbfe · ed0dbfe
1 parent 7c349c3
commit ed0dbfe
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -2638,9 +2638,6 @@ Instruction *InstCombinerImpl::visitFSub(BinaryOperator &I) {
   if (Instruction *X = foldFNegIntoConstant(I, DL))
     return X;
 
-  if (Instruction *R = hoistFNegAboveFMulFDiv(I, Builder))
-    return R;
-
   Value *X, *Y;
   Constant *C;