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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2010-01-15 21:19:05 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2010-01-15 21:19:05 +0000 |
| commit | 702adaba6d7442f180c6bc0bec3a2b19e1169ed9 (patch) | |
| tree | 469b3918ad02587111e77ddcf306ea731e812726 /lib/Target/MSP430/MSP430InstrInfo.h | |
| parent | 05011a8aba3a4e8f011ac92990423947f8cbb15b (diff) | |
| download | llvm-702adaba6d7442f180c6bc0bec3a2b19e1169ed9.tar.gz llvm-702adaba6d7442f180c6bc0bec3a2b19e1169ed9.tar.bz2 llvm-702adaba6d7442f180c6bc0bec3a2b19e1169ed9.tar.xz | |
Add branch relaxation pass (shamelessly stolen from PPC).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93554 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/MSP430/MSP430InstrInfo.h')
| -rw-r--r-- | lib/Target/MSP430/MSP430InstrInfo.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/MSP430/MSP430InstrInfo.h b/lib/Target/MSP430/MSP430InstrInfo.h index e4ceeb9ca7..6ef4b0a28a 100644 --- a/lib/Target/MSP430/MSP430InstrInfo.h +++ b/lib/Target/MSP430/MSP430InstrInfo.h @@ -21,6 +21,22 @@ namespace llvm { class MSP430TargetMachine; +/// MSP430II - This namespace holds all of the target specific flags that +/// instruction info tracks. +/// +namespace MSP430II { + enum { + SizeShift = 2, + SizeMask = 7 << SizeShift, + + SizeUnknown = 0 << SizeShift, + SizeSpecial = 1 << SizeShift, + Size2Bytes = 2 << SizeShift, + Size4Bytes = 3 << SizeShift, + Size6Bytes = 4 << SizeShift + }; +} + class MSP430InstrInfo : public TargetInstrInfoImpl { const MSP430RegisterInfo RI; MSP430TargetMachine &TM; @@ -59,6 +75,8 @@ public: MachineBasicBlock::iterator MI, const std::vector<CalleeSavedInfo> &CSI) const; + unsigned GetInstSizeInBytes(const MachineInstr *MI) const; + // Branch folding goodness bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; bool isUnpredicatedTerminator(const MachineInstr *MI) const; |