[InstCombine] distribute fmul over fadd/fsub

This replaces a large chunk of code that was looking for compound
patterns that include these sub-patterns. Existing tests ensure that
all of the previous examples are still folded as expected.

We still need to loosen the FMF check.

llvm-svn: 328502

1 files changed, 0 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
index ff92723d64e..5e934d542c0 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
+++ b/llvm/lib/Transforms/InstCombine/InstCombineInternal.h
@@ -289,8 +289,6 @@ public:
   Instruction *visitSub(BinaryOperator &I);
   Instruction *visitFSub(BinaryOperator &I);
   Instruction *visitMul(BinaryOperator &I);
-  Value *foldFMulConst(Instruction *FMulOrDiv, Constant *C,
-                       Instruction *InsertBefore);
   Instruction *visitFMul(BinaryOperator &I);
   Instruction *visitURem(BinaryOperator &I);
   Instruction *visitSRem(BinaryOperator &I);