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Rename {First,Last}Use to {First,Last}Instr.

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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
This commit is contained in:
Jakob Stoklund Olesen
2011-08-02 22:54:14 +00:00
parent 779fa1b0b7
commit fe62d92b7b
3 changed files with 45 additions and 43 deletions
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lib/CodeGen/SplitKit.h
+3 -3
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@@ -76,8 +76,8 @@ public:
///
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 @@ public:
/// isOneInstr - Returns true when this BlockInfo describes a single
/// instruction.
bool isOneInstr() const {
return SlotIndex::isSameInstr(FirstUse, LastUse);
return SlotIndex::isSameInstr(FirstInstr, LastInstr);
}
};