6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-19 04:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Replace CanBeDuplicated() with a M_NOT_DUPLICABLE bit.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37642 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-06-19 01:21:41 +00:00
parent 52387be1e0
commit 4e6b1e1d99
1 changed files with 20 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
include/llvm/Target/TargetInstrInfo.h
View File

@ -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;