[NFC] As part of using inclusive language within the llvm project, this patch
replaces master with primary in `LiveRangeUtils.h`.
Reviewed By: MatzeB
Differential Revision: https://reviews.llvm.org/
D114191
namespace llvm {
/// Helper function that distributes live range value numbers and the
-/// corresponding segments of a master live range \p LR to a list of newly
+/// corresponding segments of a primary live range \p LR to a list of newly
/// created live ranges \p SplitLRs. \p VNIClasses maps each value number in \p
/// LR to 0 meaning it should stay or to 1..N meaning it should go to a specific
/// live range in the \p SplitLRs array.