From 2d839a9f3e7e5d61a31ccb67aefe37fa75100e54 Mon Sep 17 00:00:00 2001
From: Pat Gavlin <pagavlin@microsoft.com>
Date: Tue, 3 Jan 2017 14:34:54 -0800
Subject: [PATCH] Add a comment per code review.

Commit migrated from https://github.com/dotnet/coreclr/commit/ac913bc473b6b0ce2665afeefc5533b3d08cff74
---
 src/coreclr/src/jit/morph.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/coreclr/src/jit/morph.cpp b/src/coreclr/src/jit/morph.cpp
index e50a312..f29b48f 100644
--- a/src/coreclr/src/jit/morph.cpp
+++ b/src/coreclr/src/jit/morph.cpp
@@ -10998,6 +10998,8 @@ GenTreePtr Compiler::fgMorphSmpOp(GenTreePtr tree, MorphAddrContext* mac)
                 //
                 // a % b = a - (a / b) * b;
                 //
+                // NOTE: we should never need to perform this transformation when remorphing, since global morphing
+                //       should already have done so and we do not introduce new modulus nodes in later phases.
                 assert(!optValnumCSE_phase);
                 tree = fgMorphModToSubMulDiv(tree->AsOp());
                 op1  = tree->gtOp.gtOp1;
-- 
2.7.4