diff options
Diffstat (limited to 'include/llvm/Target/TargetInstrDesc.h')
| -rw-r--r-- | include/llvm/Target/TargetInstrDesc.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/llvm/Target/TargetInstrDesc.h b/include/llvm/Target/TargetInstrDesc.h index 8f0a6cb..a127aed 100644 --- a/include/llvm/Target/TargetInstrDesc.h +++ b/include/llvm/Target/TargetInstrDesc.h @@ -105,6 +105,7 @@ namespace TID { IndirectBranch, Predicable, NotDuplicable, + Compare, DelaySlot, FoldableAsLoad, MayLoad, @@ -151,6 +152,12 @@ public: return -1; } + /// getRegClass - Returns the register class constraint for OpNum, or NULL. + const TargetRegisterClass *getRegClass(unsigned OpNum, + const TargetRegisterInfo *TRI) const { + return OpNum < NumOperands ? OpInfo[OpNum].getRegClass(TRI) : 0; + } + /// getOpcode - Return the opcode number for this descriptor. unsigned getOpcode() const { return Opcode; @@ -315,7 +322,7 @@ public: bool isIndirectBranch() const { return Flags & (1 << TID::IndirectBranch); } - + /// isConditionalBranch - Return true if this is a branch which may fall /// through to the next instruction or may transfer control flow to some other /// block. The TargetInstrInfo::AnalyzeBranch method can be used to get more @@ -340,6 +347,11 @@ public: return Flags & (1 << TID::Predicable); } + /// isCompare - Return true if this instruction is a comparison. + bool isCompare() const { + return Flags & (1 << TID::Compare); + } + /// isNotDuplicable - Return true if this instruction cannot be safely /// duplicated. For example, if the instruction has a unique labels attached /// to it, duplicating it would cause multiple definition errors. |
