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authorEvan Cheng <evan.cheng@apple.com>2008-03-05 00:59:57 +0000
committerEvan Cheng <evan.cheng@apple.com>2008-03-05 00:59:57 +0000
commit6130f66eaae89f8878590796977678afa8448926 (patch)
tree9e0d41836f9fcae91af847f9483fcc3cb0ca780c /lib/CodeGen/VirtRegMap.cpp
parent4d519457d1ee72d14d62a5823b03449dc0e3df6e (diff)
Refactor code. Remove duplicated functions that basically do the same thing as
findRegisterUseOperandIdx, findRegisterDefOperandIndx. Fix some naming inconsistencies. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47927 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/VirtRegMap.cpp')
-rw-r--r--lib/CodeGen/VirtRegMap.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 6cfbee9b7b..c39ac610e9 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -862,8 +862,7 @@ bool LocalSpiller::PrepForUnfoldOpti(MachineBasicBlock &MBB,
MachineInstr* DeadStore = MaybeDeadStores[FoldedSS];
if (DeadStore && (MR & VirtRegMap::isModRef)) {
unsigned PhysReg = Spills.getSpillSlotOrReMatPhysReg(FoldedSS);
- if (!PhysReg ||
- DeadStore->findRegisterUseOperandIdx(PhysReg, true) == -1)
+ if (!PhysReg || !DeadStore->readsRegister(PhysReg))
continue;
UnfoldPR = PhysReg;
UnfoldedOpc = TII->getOpcodeAfterMemoryUnfold(MI.getOpcode(),
@@ -908,7 +907,7 @@ bool LocalSpiller::PrepForUnfoldOpti(MachineBasicBlock &MBB,
assert(NewMIs.size() == 1);
MachineInstr *NewMI = NewMIs.back();
NewMIs.clear();
- int Idx = NewMI->findRegisterUseOperandIdx(VirtReg);
+ int Idx = NewMI->findRegisterUseOperandIdx(VirtReg, false);
assert(Idx != -1);
SmallVector<unsigned, 2> Ops;
Ops.push_back(Idx);
@@ -1410,7 +1409,7 @@ void LocalSpiller::RewriteMBB(MachineBasicBlock &MBB, VirtRegMap &VRM) {
// the physreg.
if (PhysReg &&
!TII->isStoreToStackSlot(&MI, SS) && // Not profitable!
- DeadStore->findRegisterUseOperandIdx(PhysReg, true) != -1 &&
+ DeadStore->killsRegister(PhysReg) &&
TII->unfoldMemoryOperand(MF, &MI, PhysReg, false, true, NewMIs)) {
MBB.insert(MII, NewMIs[0]);
NewStore = NewMIs[1];