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Not all custom inserters create new basic blocks. If the inserter 

didn't create a new block, don't reset the insert position.

llvm-svn: 107813
This commit is contained in:
Dan Gohman 2010-07-07 21:18:22 +00:00
parent 41a3c9a5f8
commit 25d5c1b4f8
1 changed files with 5 additions and 2 deletions
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7
llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
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@ -732,8 +732,11 @@ EmitMachineNode(SDNode *Node, bool IsClone, bool IsCloned,
if (II.usesCustomInsertionHook()) {
// Insert this instruction into the basic block using a target
// specific inserter which may returns a new basic block.
MBB = TLI->EmitInstrWithCustomInserter(MI, MBB);
InsertPos = MBB->end();
MachineBasicBlock *NewMBB = TLI->EmitInstrWithCustomInserter(MI, MBB);
if (NewMBB != MBB) {
MBB = NewMBB;
InsertPos = NewMBB->end();
}
return;
}