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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34698 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2007-02-27 22:10:52 +00:00
parent 50d456539d
commit 8cab162e03
2 changed files with 6 additions and 4 deletions
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5
include/llvm/CodeGen/RegisterScavenging.h
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@@ -46,14 +46,13 @@ public:
/// Init - Initialize the states. /// Init - Initialize the states.
/// ///
void init(); void init(MachineBasicBlock *mbb = NULL);
/// Reset - Discard previous states and re-initialize the states given for /// Reset - Discard previous states and re-initialize the states given for
/// the specific basic block. /// the specific basic block.
void reset(MachineBasicBlock *mbb) { void reset(MachineBasicBlock *mbb) {
MBB = mbb;
clear(); clear();
init(); init(mbb);
} }
/// forward / backward - Move the internal MBB iterator and update register /// forward / backward - Move the internal MBB iterator and update register

5
lib/CodeGen/RegisterScavenging.cpp
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@@ -25,7 +25,10 @@
#include "llvm/ADT/STLExtras.h" #include "llvm/ADT/STLExtras.h"
using namespace llvm; using namespace llvm;
void RegScavenger::init() { void RegScavenger::init(MachineBasicBlock *mbb) {
if (mbb)
MBB = mbb;
const MachineFunction &MF = *MBB->getParent(); const MachineFunction &MF = *MBB->getParent();
const TargetMachine &TM = MF.getTarget(); const TargetMachine &TM = MF.getTarget();
const MRegisterInfo *RegInfo = TM.getRegisterInfo(); const MRegisterInfo *RegInfo = TM.getRegisterInfo();