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| author | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-01-09 00:53:25 +0000 |
|---|---|---|
| committer | Shuxin Yang <shuxin.llvm@gmail.com> | 2013-01-09 00:53:25 +0000 |
| commit | 9ca562e34eb0962e63467570aa8af8694576ce10 (patch) | |
| tree | 868d0a3f031359aafd849b16a22be0e655ae9ce0 /llvm/lib | |
| parent | 3552dabfe14af081a6a4434d3f908f420d0a3668 (diff) | |
| download | bcm5719-llvm-9ca562e34eb0962e63467570aa8af8694576ce10.tar.gz bcm5719-llvm-9ca562e34eb0962e63467570aa8af8694576ce10.zip | |
Add comment to the definition of Constant::isZeroValue().
(There already has a concise comment to the declaration.)
Thank Eric Christopher for his feedback!
llvm-svn: 171926
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/IR/Constants.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/IR/Constants.cpp b/llvm/lib/IR/Constants.cpp index 812692f3fae..93275549b18 100644 --- a/llvm/lib/IR/Constants.cpp +++ b/llvm/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<ConstantFP>(this)) |
