Index: src/IceOperand.h |
diff --git a/src/IceOperand.h b/src/IceOperand.h |
index 6d31127166e303e45ac23415eb6882a569cb1f6e..76a01810bf1bb6700a7147fdf327e1bbb5eacd09 100644 |
--- a/src/IceOperand.h |
+++ b/src/IceOperand.h |
@@ -398,6 +398,8 @@ public: |
void setIgnoreLiveness() { IgnoreLiveness = true; } |
bool getIgnoreLiveness() const { return IgnoreLiveness; } |
+ bool needsStackSlot() const { return NeedsStackSlot; } |
+ void setNeedsStackSlot() { NeedsStackSlot = true; } |
int32_t getStackOffset() const { return StackOffset; } |
void setStackOffset(int32_t Offset) { StackOffset = Offset; } |
@@ -474,9 +476,9 @@ public: |
protected: |
Variable(OperandKind K, Type Ty, SizeT Index, const IceString &Name) |
: Operand(K, Ty), Number(Index), Name(Name), IsArgument(false), |
- IsImplicitArgument(false), IgnoreLiveness(false), StackOffset(0), |
- RegNum(NoRegister), RegNumTmp(NoRegister), Weight(1), LoVar(NULL), |
- HiVar(NULL) { |
+ IsImplicitArgument(false), IgnoreLiveness(false), NeedsStackSlot(false), |
+ StackOffset(0), RegNum(NoRegister), RegNumTmp(NoRegister), Weight(1), |
+ LoVar(NULL), HiVar(NULL) { |
Vars = VarsReal; |
Vars[0] = this; |
NumVars = 1; |
@@ -492,6 +494,9 @@ protected: |
// constructing and validating live ranges. This is usually |
// reserved for the stack pointer. |
bool IgnoreLiveness; |
+ // NeedsStackSlot starts out false, and is set to true once we know |
+ // for sure that the variable needs a stack slot. |
+ bool NeedsStackSlot; |
// StackOffset is the canonical location on stack (only if |
// RegNum==NoRegister || IsArgument). |
int32_t StackOffset; |
@@ -578,6 +583,9 @@ public: |
// Initialize the state by traversing all instructions/variables in |
// the CFG. |
void init(MetadataKind TrackingKind); |
+ // Add a single node. This is called by init(), and can be called |
+ // incrementally from elsewhere, e.g. after edge-splitting. |
+ void addNode(CfgNode *Node); |
// Returns whether the given Variable is tracked in this object. It |
// should only return false if changes were made to the CFG after |
// running init(), in which case the state is stale and the results |