Clean up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29137 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index 24235381b951a3d455941474ae5cb950b41245bd..f0a02872cebe0b386e3f85154d1d0b95e90f79d3 100644 (file)
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -49,7 +49,10 @@ void CodeEmitterGen::reverseBits(std::vector<Record*> &Insts) {
 }
 
 
-int CodeEmitterGen::getVariableBit(const std::string &VarName, BitsInit *BI, int bit){
+// If the VarBitInit at position 'bit' matches the specified variable then
+// return the variable bit position.  Otherwise return -1.
+int CodeEmitterGen::getVariableBit(const std::string &VarName,
+            BitsInit *BI, int bit) {
   if (VarBitInit *VBI = dynamic_cast<VarBitInit*>(BI->getBit(bit))) {
     TypedInit *TI = VBI->getVariable();