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-rw-r--r--include/llvm/Target/TargetInstrInfo.h36
1 files changed, 20 insertions, 16 deletions
diff --git a/include/llvm/Target/TargetInstrInfo.h b/include/llvm/Target/TargetInstrInfo.h
index c73fdfb46c..2a1843f8df 100644
--- a/include/llvm/Target/TargetInstrInfo.h
+++ b/include/llvm/Target/TargetInstrInfo.h
@@ -86,6 +86,10 @@ const unsigned M_REMATERIALIZIBLE = 1 << 13;
// register and / or registers that are used to predicate instructions.
const unsigned M_CLOBBERS_PRED = 1 << 14;
+// M_NOT_DUPLICABLE - Set if this instruction cannot be safely duplicated.
+// (e.g. instructions with unique labels attached).
+const unsigned M_NOT_DUPLICABLE = 1 << 15;
+
// Machine operand flags
// M_LOOK_UP_PTR_REG_CLASS - Set if this operand is a pointer value and it
// requires a callback to look up its register class.
@@ -211,15 +215,6 @@ public:
return get(Opcode).Flags & M_RET_FLAG;
}
- bool isPredicable(MachineOpCode Opcode) const {
- return get(Opcode).Flags & M_PREDICABLE;
- }
- bool clobbersPredicate(MachineOpCode Opcode) const {
- return get(Opcode).Flags & M_CLOBBERS_PRED;
- }
- bool isReMaterializable(MachineOpCode Opcode) const {
- return get(Opcode).Flags & M_REMATERIALIZIBLE;
- }
bool isCommutableInstr(MachineOpCode Opcode) const {
return get(Opcode).Flags & M_COMMUTABLE;
}
@@ -265,6 +260,22 @@ public:
return get(Opcode).Flags & M_VARIABLE_OPS;
}
+ bool isPredicable(MachineOpCode Opcode) const {
+ return get(Opcode).Flags & M_PREDICABLE;
+ }
+
+ bool isReMaterializable(MachineOpCode Opcode) const {
+ return get(Opcode).Flags & M_REMATERIALIZIBLE;
+ }
+
+ bool clobbersPredicate(MachineOpCode Opcode) const {
+ return get(Opcode).Flags & M_CLOBBERS_PRED;
+ }
+
+ bool isNotDuplicable(MachineOpCode Opcode) const {
+ return get(Opcode).Flags & M_NOT_DUPLICABLE;
+ }
+
/// getOperandConstraint - Returns the value of the specific constraint if
/// it is set. Returns -1 if it is not set.
int getOperandConstraint(MachineOpCode Opcode, unsigned OpNum,
@@ -415,13 +426,6 @@ public:
return false;
}
- /// CanBeDuplicated - Returns true if the instruction can be duplicated
- /// without causing unforseenable side-effect (e.g. instructions with unique
- /// labels attached).
- virtual bool CanBeDuplicated(const MachineInstr *MI) const {
- return false;
- }
-
/// isUnpredicatedTerminator - Returns true if the instruction is a
/// terminator instruction that has not been predicated.
virtual bool isUnpredicatedTerminator(const MachineInstr *MI) const;