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-rw-r--r--include/llvm/CodeGen/MachineInstr.h43
-rw-r--r--lib/CodeGen/MachineInstr.cpp45
2 files changed, 46 insertions, 42 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 85ad26efd9..d84f882bcd 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -432,48 +432,7 @@ struct MachineInstrExpressionTrait : DenseMapInfo<MachineInstr*> {
return reinterpret_cast<MachineInstr*>(-1);
}
- static unsigned getHashValue(const MachineInstr* const &MI) {
- unsigned Hash = MI->getOpcode() * 37;
- for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
- const MachineOperand &MO = MI->getOperand(i);
- uint64_t Key = (uint64_t)MO.getType() << 32;
- switch (MO.getType()) {
- default: break;
- case MachineOperand::MO_Register:
- if (MO.isDef())
- continue; // Skip defs.
- Key |= MO.getReg();
- break;
- case MachineOperand::MO_Immediate:
- Key |= MO.getImm();
- break;
- case MachineOperand::MO_FrameIndex:
- case MachineOperand::MO_ConstantPoolIndex:
- case MachineOperand::MO_JumpTableIndex:
- Key |= MO.getIndex();
- break;
- case MachineOperand::MO_MachineBasicBlock:
- Key |= DenseMapInfo<void*>::getHashValue(MO.getMBB());
- break;
- case MachineOperand::MO_GlobalAddress:
- Key |= DenseMapInfo<void*>::getHashValue(MO.getGlobal());
- break;
- case MachineOperand::MO_BlockAddress:
- Key |= DenseMapInfo<void*>::getHashValue(MO.getBlockAddress());
- break;
- }
- Key += ~(Key << 32);
- Key ^= (Key >> 22);
- Key += ~(Key << 13);
- Key ^= (Key >> 8);
- Key += (Key << 3);
- Key ^= (Key >> 15);
- Key += ~(Key << 27);
- Key ^= (Key >> 31);
- Hash = (unsigned)Key + Hash * 37;
- }
- return Hash;
- }
+ static unsigned getHashValue(const MachineInstr* const &MI);
static bool isEqual(const MachineInstr* const &LHS,
const MachineInstr* const &RHS) {
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 08c6b774b9..e23670d1d1 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1355,3 +1355,48 @@ void MachineInstr::addRegisterDefined(unsigned IncomingReg,
true /*IsDef*/,
true /*IsImp*/));
}
+
+unsigned
+MachineInstrExpressionTrait::getHashValue(const MachineInstr* const &MI) {
+ unsigned Hash = MI->getOpcode() * 37;
+ for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
+ const MachineOperand &MO = MI->getOperand(i);
+ uint64_t Key = (uint64_t)MO.getType() << 32;
+ switch (MO.getType()) {
+ default: break;
+ case MachineOperand::MO_Register:
+ if (MO.isDef() && MO.getReg() &&
+ TargetRegisterInfo::isVirtualRegister(MO.getReg()))
+ continue; // Skip virtual register defs.
+ Key |= MO.getReg();
+ break;
+ case MachineOperand::MO_Immediate:
+ Key |= MO.getImm();
+ break;
+ case MachineOperand::MO_FrameIndex:
+ case MachineOperand::MO_ConstantPoolIndex:
+ case MachineOperand::MO_JumpTableIndex:
+ Key |= MO.getIndex();
+ break;
+ case MachineOperand::MO_MachineBasicBlock:
+ Key |= DenseMapInfo<void*>::getHashValue(MO.getMBB());
+ break;
+ case MachineOperand::MO_GlobalAddress:
+ Key |= DenseMapInfo<void*>::getHashValue(MO.getGlobal());
+ break;
+ case MachineOperand::MO_BlockAddress:
+ Key |= DenseMapInfo<void*>::getHashValue(MO.getBlockAddress());
+ break;
+ }
+ Key += ~(Key << 32);
+ Key ^= (Key >> 22);
+ Key += ~(Key << 13);
+ Key ^= (Key >> 8);
+ Key += (Key << 3);
+ Key ^= (Key >> 15);
+ Key += ~(Key << 27);
+ Key ^= (Key >> 31);
+ Hash = (unsigned)Key + Hash * 37;
+ }
+ return Hash;
+}