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| author | Evan Cheng <evan.cheng@apple.com> | 2009-03-19 20:30:06 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-03-19 20:30:06 +0000 |
| commit | a24752ff43dc1ad8c18c5d9e78549c45f62b980e (patch) | |
| tree | 94d6439fe96abe95108b17e195b79975e13be036 /include | |
| parent | 817046e1f1945ce2e3aaf6239e849d5ad3112d26 (diff) | |
| download | external_llvm-a24752ff43dc1ad8c18c5d9e78549c45f62b980e.zip external_llvm-a24752ff43dc1ad8c18c5d9e78549c45f62b980e.tar.gz external_llvm-a24752ff43dc1ad8c18c5d9e78549c45f62b980e.tar.bz2 | |
Added MachineInstr::isRegTiedToDefOperand to check for two-addressness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67335 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 668c4b3..5c646c6 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -245,6 +245,11 @@ public: /// check if the register def is a re-definition due to two addr elimination. bool isRegReDefinedByTwoAddr(unsigned DefIdx) const; + /// isRegTiedToDefOperand - Return true if the use operand of the specified + /// index is tied to an def operand. It also returns the def operand index by + /// reference if DefOpIdx is not null. + bool isRegTiedToDefOperand(unsigned UseOpIdx, unsigned *DefOpIdx = 0); + /// copyKillDeadInfo - Copies kill / dead operand properties from MI. /// void copyKillDeadInfo(const MachineInstr *MI); |