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Convert operand iterator over to work like an STL iterator

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1720 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2002-02-05 06:02:59 +00:00
parent 748697d242
commit 2f898d2074
12 changed files with 199 additions and 272 deletions
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lib/Analysis/LiveVar/FunctionLiveVarInfo.cpp
+5 -3
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@@ -187,7 +187,8 @@ MethodLiveVarInfo::getLiveVarSetAfterMInst(const MachineInstr *MI,
// machine instruction operand.
//
static void applyTranferFuncForMInst(ValueSet &LVS, const MachineInstr *MInst) {
for (MachineInstr::val_const_op_iterator OpI(MInst); !OpI.done(); ++OpI) {
for (MachineInstr::const_val_op_iterator OpI = MInst->begin(),
OpE = MInst->end(); OpI != OpE; ++OpI) {
if (OpI.isDef()) // kill only if this operand is a def
LVS.insert(*OpI); // this definition kills any uses
}
@@ -198,7 +199,8 @@ static void applyTranferFuncForMInst(ValueSet &LVS, const MachineInstr *MInst) {
LVS.erase(MInst->getImplicitRef(i));
}
for (MachineInstr::val_const_op_iterator OpI(MInst); !OpI.done(); ++OpI) {
for (MachineInstr::const_val_op_iterator OpI = MInst->begin(),
OpE = MInst->end(); OpI != OpE; ++OpI) {
if (isa<BasicBlock>(*OpI)) continue; // don't process labels
if (!OpI.isDef()) // add only if this operand is a use
@@ -206,7 +208,7 @@ static void applyTranferFuncForMInst(ValueSet &LVS, const MachineInstr *MInst) {
}
// do for implicit operands as well
for (unsigned i=0; i < MInst->getNumImplicitRefs(); ++i) {
for (unsigned i = 0; i < MInst->getNumImplicitRefs(); ++i) {
if (!MInst->implicitRefIsDefined(i))
LVS.insert(MInst->getImplicitRef(i));
}