Rename {First,Last}Use to {First,Last}Instr.
With a 'FirstDef' field right there, it is very confusing that FirstUse
refers to an instruction that may be a def.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136739 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SplitKit.h b/lib/CodeGen/SplitKit.h
index 92d6bc8..33c3c07 100644
--- a/lib/CodeGen/SplitKit.h
+++ b/lib/CodeGen/SplitKit.h
@@ -76,8 +76,8 @@
///
struct BlockInfo {
MachineBasicBlock *MBB;
- SlotIndex FirstUse; ///< First instr using current reg.
- SlotIndex LastUse; ///< Last instr using current reg.
+ SlotIndex FirstInstr; ///< First instr accessing current reg.
+ SlotIndex LastInstr; ///< Last instr accessing current reg.
SlotIndex FirstDef; ///< First non-phi valno->def, or SlotIndex().
bool LiveIn; ///< Current reg is live in.
bool LiveOut; ///< Current reg is live out.
@@ -85,7 +85,7 @@
/// isOneInstr - Returns true when this BlockInfo describes a single
/// instruction.
bool isOneInstr() const {
- return SlotIndex::isSameInstr(FirstUse, LastUse);
+ return SlotIndex::isSameInstr(FirstInstr, LastInstr);
}
};