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-rw-r--r--contrib/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp13
1 files changed, 5 insertions, 8 deletions
diff --git a/contrib/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/contrib/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
index 288499a..e096a23 100644
--- a/contrib/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/contrib/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -75,15 +75,12 @@ STATISTIC(NumFastIselDead, "Number of dead insts removed on failure");
void FastISel::startNewBlock() {
LocalValueMap.clear();
+ // Instructions are appended 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;
}
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