Changes in directory llvm/lib/CodeGen:
LiveIntervalAnalysis.cpp updated: 1.236 -> 1.237 LiveVariables.cpp updated: 1.72 -> 1.73 PHIElimination.cpp updated: 1.56 -> 1.57 TwoAddressInstructionPass.cpp updated: 1.46 -> 1.47 --- Log message: VarInfo::UsedBlocks is no longer used. Remove. --- Diffs of the changes: (+2 -17) LiveIntervalAnalysis.cpp | 3 +-- LiveVariables.cpp | 9 +-------- PHIElimination.cpp | 3 --- TwoAddressInstructionPass.cpp | 4 ---- 4 files changed, 2 insertions(+), 17 deletions(-) Index: llvm/lib/CodeGen/LiveIntervalAnalysis.cpp diff -u llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.236 llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.237 --- llvm/lib/CodeGen/LiveIntervalAnalysis.cpp:1.236 Tue Apr 17 21:30:19 2007 +++ llvm/lib/CodeGen/LiveIntervalAnalysis.cpp Wed Apr 18 00:04:38 2007 @@ -1058,10 +1058,9 @@ for (const unsigned *AS = mri_->getAliasSet(repDstReg); *AS; ++AS) getInterval(*AS).MergeInClobberRanges(SrcInt); } else { - // Merge UsedBlocks info if the destination is a virtual register. + // Merge use info if the destination is a virtual register. LiveVariables::VarInfo& dVI = lv_->getVarInfo(repDstReg); LiveVariables::VarInfo& sVI = lv_->getVarInfo(repSrcReg); - dVI.UsedBlocks |= sVI.UsedBlocks; dVI.NumUses += sVI.NumUses; } Index: llvm/lib/CodeGen/LiveVariables.cpp diff -u llvm/lib/CodeGen/LiveVariables.cpp:1.72 llvm/lib/CodeGen/LiveVariables.cpp:1.73 --- llvm/lib/CodeGen/LiveVariables.cpp:1.72 Tue Apr 17 15:22:11 2007 +++ llvm/lib/CodeGen/LiveVariables.cpp Wed Apr 18 00:04:38 2007 @@ -48,9 +48,6 @@ cerr << " Alive in blocks: "; for (unsigned i = 0, e = AliveBlocks.size(); i != e; ++i) if (AliveBlocks[i]) cerr << i << ", "; - cerr << " Used in blocks: "; - for (unsigned i = 0, e = UsedBlocks.size(); i != e; ++i) - if (UsedBlocks[i]) cerr << i << ", "; cerr << "\n Killed by:"; if (Kills.empty()) cerr << " No instructions.\n"; @@ -73,7 +70,6 @@ } VarInfo &VI = VirtRegInfo[RegIdx]; VI.AliveBlocks.resize(MF->getNumBlockIDs()); - VI.UsedBlocks.resize(MF->getNumBlockIDs()); return VI; } @@ -138,9 +134,6 @@ MachineInstr *MI) { assert(VRInfo.DefInst && "Register use before def!"); - unsigned BBNum = MBB->getNumber(); - - VRInfo.UsedBlocks[BBNum] = true; VRInfo.NumUses++; // Check to see if this basic block is already a kill block... @@ -163,7 +156,7 @@ // If this virtual register is already marked as alive in this basic block, // that means it is alive in at least one of the successor block, it's not // a kill. - if (!VRInfo.AliveBlocks[BBNum]) + if (!VRInfo.AliveBlocks[MBB->getNumber()]) VRInfo.Kills.push_back(MI); // Update all dominating blocks to mark them known live. Index: llvm/lib/CodeGen/PHIElimination.cpp diff -u llvm/lib/CodeGen/PHIElimination.cpp:1.56 llvm/lib/CodeGen/PHIElimination.cpp:1.57 --- llvm/lib/CodeGen/PHIElimination.cpp:1.56 Tue Apr 17 19:36:11 2007 +++ llvm/lib/CodeGen/PHIElimination.cpp Wed Apr 18 00:04:38 2007 @@ -163,8 +163,6 @@ // Realize that the destination register is defined by the PHI copy now, not // the PHI itself. LV->getVarInfo(DestReg).DefInst = PHICopy; - - LV->getVarInfo(IncomingReg).UsedBlocks[MBB.getNumber()] = true; } // Adjust the VRegPHIUseCount map to account for the removal of this PHI @@ -215,7 +213,6 @@ // instruction kills the incoming value. // LiveVariables::VarInfo &InRegVI = LV->getVarInfo(SrcReg); - InRegVI.UsedBlocks[opBlock.getNumber()] = true; // Loop over all of the successors of the basic block, checking to see // if the value is either live in the block, or if it is killed in the Index: llvm/lib/CodeGen/TwoAddressInstructionPass.cpp diff -u llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.46 llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.47 --- llvm/lib/CodeGen/TwoAddressInstructionPass.cpp:1.46 Sun Mar 18 04:02:31 2007 +++ llvm/lib/CodeGen/TwoAddressInstructionPass.cpp Wed Apr 18 00:04:38 2007 @@ -197,10 +197,6 @@ LiveVariables::VarInfo& varInfo = LV.getVarInfo(regA); varInfo.DefInst = prevMi; - // update live variables for regB - LiveVariables::VarInfo& varInfoB = LV.getVarInfo(regB); - // regB is used in this BB. - varInfoB.UsedBlocks[mbbi->getNumber()] = true; if (LV.removeVirtualRegisterKilled(regB, mbbi, mi)) LV.addVirtualRegisterKilled(regB, prevMi); _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits