From c3d6de2fe52dbdbf41b1dfebb1430656a16b254b Mon Sep 17 00:00:00 2001 From: Shuxin Yang Date: Wed, 9 Jan 2013 00:53:25 +0000 Subject: [PATCH] Add comment to the definition of Constant::isZeroValue(). (There already has a concise comment to the declaration.) Thank Eric Christopher for his feedback! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171926 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/IR/Constants.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/IR/Constants.cpp b/lib/IR/Constants.cpp index 812692f3fae..93275549b18 100644 --- a/lib/IR/Constants.cpp +++ b/lib/IR/Constants.cpp @@ -51,6 +51,8 @@ bool Constant::isNegativeZeroValue() const { return isNullValue(); } +// Return true iff this constant is positive zero (floating point), negative +// zero (floating point), or a null value. bool Constant::isZeroValue() const { // Floating point values have an explicit -0.0 value. if (const ConstantFP *CFP = dyn_cast(this))