//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "execution-fix"
-#include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/Passes.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetMachine.h"
#include "llvm/ADT/PostOrderIterator.h"
+#include "llvm/CodeGen/MachineFunctionPass.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetMachine.h"
using namespace llvm;
/// A DomainValue is a bit like LiveIntervals' ValNo, but it also keeps track
// Pointer to the next DomainValue in a chain. When two DomainValues are
// merged, Victim.Next is set to point to Victor, so old DomainValue
- // references can be updated by folowing the chain.
+ // references can be updated by following the chain.
DomainValue *Next;
// Twiddleable instructions using or defining these registers.
}
dv->Instrs.push_back(mi);
- // Finally set all defs and non-collapsed uses to dv.
- for (unsigned i = 0, e = mi->getDesc().getNumOperands(); i != e; ++i) {
- MachineOperand &mo = mi->getOperand(i);
+ // Finally set all defs and non-collapsed uses to dv. We must iterate through
+ // all the operators, including imp-def ones.
+ for (MachineInstr::mop_iterator ii = mi->operands_begin(),
+ ee = mi->operands_end();
+ ii != ee; ++ii) {
+ MachineOperand &mo = *ii;
if (!mo.isReg()) continue;
int rx = regIndex(mo.getReg());
if (rx < 0) continue;
bool anyregs = false;
for (TargetRegisterClass::const_iterator I = RC->begin(), E = RC->end();
I != E; ++I)
- for (const unsigned *AI = TRI->getOverlaps(*I); *AI; ++AI)
- if (MF->getRegInfo().isPhysRegUsed(*AI)) {
- anyregs = true;
- break;
- }
+ if (MF->getRegInfo().isPhysRegUsed(*I)) {
+ anyregs = true;
+ break;
+ }
if (!anyregs) return false;
// Initialize the AliasMap on the first use.
// or -1.
AliasMap.resize(TRI->getNumRegs(), -1);
for (unsigned i = 0, e = RC->getNumRegs(); i != e; ++i)
- for (const unsigned *AI = TRI->getOverlaps(RC->getRegister(i)); *AI; ++AI)
+ for (MCRegAliasIterator AI(RC->getRegister(i), TRI, true);
+ AI.isValid(); ++AI)
AliasMap[*AI] = i;
}