diff options
Diffstat (limited to 'llvm/lib/CodeGen/PeepholeOptimizer.cpp')
-rw-r--r-- | llvm/lib/CodeGen/PeepholeOptimizer.cpp | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/PeepholeOptimizer.cpp b/llvm/lib/CodeGen/PeepholeOptimizer.cpp index a4ff04bec1c..7a1bf4050df 100644 --- a/llvm/lib/CodeGen/PeepholeOptimizer.cpp +++ b/llvm/lib/CodeGen/PeepholeOptimizer.cpp @@ -240,16 +240,11 @@ bool PeepholeOptimizer::OptimizeCmpInstr(MachineInstr *MI, unsigned SrcReg; int CmpValue; if (!TII->AnalyzeCompare(MI, SrcReg, CmpValue) || - TargetRegisterInfo::isPhysicalRegister(SrcReg) || CmpValue != 0) - return false; - - MachineRegisterInfo::def_iterator DI = MRI->def_begin(SrcReg); - if (llvm::next(DI) != MRI->def_end()) - // Only support one definition. + TargetRegisterInfo::isPhysicalRegister(SrcReg)) return false; // Attempt to convert the defining instruction to set the "zero" flag. - if (TII->ConvertToSetZeroFlag(&*DI, MI, NextIter)) { + if (TII->ConvertToSetZeroFlag(MI, NextIter)) { ++NumEliminated; return true; } |