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| author | Cameron Zwarich <zwarich@apple.com> | 2013-02-20 22:10:00 +0000 |
|---|---|---|
| committer | Cameron Zwarich <zwarich@apple.com> | 2013-02-20 22:10:00 +0000 |
| commit | c5b6135fb55362f5c052625043ebf3286f799f86 (patch) | |
| tree | c3fad459126250734fb11e96a39a3462a3cad524 /lib/CodeGen/TwoAddressInstructionPass.cpp | |
| parent | 0e827ebc783ded58c11aeb0d66bed43e214de2de (diff) | |
| download | llvm-c5b6135fb55362f5c052625043ebf3286f799f86.tar.gz llvm-c5b6135fb55362f5c052625043ebf3286f799f86.tar.bz2 llvm-c5b6135fb55362f5c052625043ebf3286f799f86.tar.xz | |
Find anchoring end points for repairIntervalsInRange and repairIndexesInRange
automatically.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175673 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TwoAddressInstructionPass.cpp')
| -rw-r--r-- | lib/CodeGen/TwoAddressInstructionPass.cpp | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp index 99d36071cf..43d0655708 100644 --- a/lib/CodeGen/TwoAddressInstructionPass.cpp +++ b/lib/CodeGen/TwoAddressInstructionPass.cpp @@ -1150,15 +1150,8 @@ tryInstructionTransform(MachineBasicBlock::iterator &mi, LV->addVirtualRegisterKilled(Reg, NewMIs[1]); } - MachineBasicBlock::iterator Begin; - MachineBasicBlock::iterator End; SmallVector<unsigned, 4> OrigRegs; if (LIS) { - Begin = MachineBasicBlock::iterator(NewMIs[0]); - if (Begin != MBB->begin()) - --Begin; - End = llvm::next(MachineBasicBlock::iterator(MI)); - for (MachineInstr::const_mop_iterator MOI = MI.operands_begin(), MOE = MI.operands_end(); MOI != MOE; ++MOI) { if (MOI->isReg()) @@ -1169,8 +1162,11 @@ tryInstructionTransform(MachineBasicBlock::iterator &mi, MI.eraseFromParent(); // Update LiveIntervals. - if (LIS) + if (LIS) { + MachineBasicBlock::iterator Begin(NewMIs[0]); + MachineBasicBlock::iterator End(NewMIs[1]); LIS->repairIntervalsInRange(MBB, Begin, End, OrigRegs); + } mi = NewMIs[1]; if (TransformSuccess) @@ -1576,9 +1572,6 @@ eliminateRegSequence(MachineBasicBlock::iterator &MBBI) { } // Udpate LiveIntervals. - if (LIS) { - if (MBBI != MBB->begin()) - --MBBI; + if (LIS) LIS->repairIntervalsInRange(MBB, MBBI, EndMBBI, OrigRegs); - } } |