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Initialize the new AsmPrinterFlags field to 0, fixing uses of

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uninitialized memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88985 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-11-16 22:49:38 +00:00
parent d1ba06bf13
commit 834651c945
1 changed files with 8 additions and 6 deletions
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14
lib/CodeGen/MachineInstr.cpp
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@ -376,7 +376,7 @@ raw_ostream &llvm::operator<<(raw_ostream &OS, const MachineMemOperand &MMO) {
/// MachineInstr ctor - This constructor creates a dummy MachineInstr with
/// TID NULL and no operands.
MachineInstr::MachineInstr()
: TID(0), NumImplicitOps(0), MemRefs(0), MemRefsEnd(0),
: TID(0), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
Parent(0), debugLoc(DebugLoc::getUnknownLoc()) {
// Make sure that we get added to a machine basicblock
LeakDetector::addGarbageObject(this);
@ -396,7 +396,8 @@ void MachineInstr::addImplicitDefUseOperands() {
/// TargetInstrDesc or the numOperands if it is not zero. (for
/// instructions with variable number of operands).
MachineInstr::MachineInstr(const TargetInstrDesc &tid, bool NoImp)
: TID(&tid), NumImplicitOps(0), MemRefs(0), MemRefsEnd(0), Parent(0),
: TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
MemRefs(0), MemRefsEnd(0), Parent(0),
debugLoc(DebugLoc::getUnknownLoc()) {
if (!NoImp && TID->getImplicitDefs())
for (const unsigned *ImpDefs = TID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
@ -414,7 +415,7 @@ MachineInstr::MachineInstr(const TargetInstrDesc &tid, bool NoImp)
/// MachineInstr ctor - As above, but with a DebugLoc.
MachineInstr::MachineInstr(const TargetInstrDesc &tid, const DebugLoc dl,
bool NoImp)
: TID(&tid), NumImplicitOps(0), MemRefs(0), MemRefsEnd(0),
: TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
Parent(0), debugLoc(dl) {
if (!NoImp && TID->getImplicitDefs())
for (const unsigned *ImpDefs = TID->getImplicitDefs(); *ImpDefs; ++ImpDefs)
@ -434,7 +435,8 @@ MachineInstr::MachineInstr(const TargetInstrDesc &tid, const DebugLoc dl,
/// basic block.
///
MachineInstr::MachineInstr(MachineBasicBlock *MBB, const TargetInstrDesc &tid)
: TID(&tid), NumImplicitOps(0), MemRefs(0), MemRefsEnd(0), Parent(0),
: TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0),
MemRefs(0), MemRefsEnd(0), Parent(0),
debugLoc(DebugLoc::getUnknownLoc()) {
assert(MBB && "Cannot use inserting ctor with null basic block!");
if (TID->ImplicitDefs)
@ -454,7 +456,7 @@ MachineInstr::MachineInstr(MachineBasicBlock *MBB, const TargetInstrDesc &tid)
///
MachineInstr::MachineInstr(MachineBasicBlock *MBB, const DebugLoc dl,
const TargetInstrDesc &tid)
: TID(&tid), NumImplicitOps(0), MemRefs(0), MemRefsEnd(0),
: TID(&tid), NumImplicitOps(0), AsmPrinterFlags(0), MemRefs(0), MemRefsEnd(0),
Parent(0), debugLoc(dl) {
assert(MBB && "Cannot use inserting ctor with null basic block!");
if (TID->ImplicitDefs)
@ -473,7 +475,7 @@ MachineInstr::MachineInstr(MachineBasicBlock *MBB, const DebugLoc dl,
/// MachineInstr ctor - Copies MachineInstr arg exactly
///
MachineInstr::MachineInstr(MachineFunction &MF, const MachineInstr &MI)
: TID(&MI.getDesc()), NumImplicitOps(0),
: TID(&MI.getDesc()), NumImplicitOps(0), AsmPrinterFlags(0),
MemRefs(MI.MemRefs), MemRefsEnd(MI.MemRefsEnd),
Parent(0), debugLoc(MI.getDebugLoc()) {
Operands.reserve(MI.getNumOperands());