diff options
| -rw-r--r-- | lib/CodeGen/SelectionDAG/FastISel.cpp | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index aa1686fb7d..e039be759c 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -76,15 +76,12 @@ STATISTIC(NumFastIselDead, "Number of dead insts removed on failure"); void FastISel::startNewBlock() { LocalValueMap.clear(); + // Instructions are append to FuncInfo.MBB. If the basic block already + // contains labels or copies, use the last instruction as the last local + // value. EmitStartPt = 0; - - // Advance the emit start point past any EH_LABEL instructions. - MachineBasicBlock::iterator - I = FuncInfo.MBB->begin(), E = FuncInfo.MBB->end(); - while (I != E && I->getOpcode() == TargetOpcode::EH_LABEL) { - EmitStartPt = I; - ++I; - } + if (!FuncInfo.MBB->empty()) + EmitStartPt = &FuncInfo.MBB->back(); LastLocalValue = EmitStartPt; } |