From f685df8c162f088bfd994be11c4f5f69f94accd2 Mon Sep 17 00:00:00 2001
From: John Kessenich <cepheus@frii.com>
Date: Tue, 13 Oct 2015 10:55:08 -0600
Subject: [PATCH] Add comment that was missed in previous commit.

---
 SPIRV/SpvBuilder.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/SPIRV/SpvBuilder.cpp b/SPIRV/SpvBuilder.cpp
index 12fd003c..dba9c4c2 100755
--- a/SPIRV/SpvBuilder.cpp
+++ b/SPIRV/SpvBuilder.cpp
@@ -500,6 +500,9 @@ Id Builder::findScalarConstant(Op typeClass, Id typeId, unsigned v1, unsigned v2
     return 0;
 }
 
+// Return true if consuming 'opcode' means consuming a constant.
+// "constant" here means after final transform to executable code,
+// the value consumed will be a constant, so includes specialization.
 bool Builder::isConstantOpCode(Op opcode) const
 {
     switch (opcode) {