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 2423538..f0a0287 100644
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -49,7 +49,10 @@
}
-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();