[Reassociate] Update comment. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221894 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp
index a24d3d454f64537addeea96aebfe3ba895169be8..baa6b08fde4e5f51f3248e9da47fe1b637815c00 100644 (file)
--- a/lib/Transforms/Scalar/Reassociate.cpp
+++ b/lib/Transforms/Scalar/Reassociate.cpp
@@ -1953,7 +1953,7 @@ Instruction *Reassociate::canonicalizeNegConstExpr(Instruction *I) {
   if (!I->hasOneUse() || I->getType()->isVectorTy())
     return nullptr;
 
-  // Must be a mul instruction.
+  // Must be a mul, fmul, or fdiv instruction.
   unsigned Opcode = I->getOpcode();
   if (Opcode != Instruction::Mul && Opcode != Instruction::FMul &&
       Opcode != Instruction::FDiv)