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-rw-r--r--llvm/lib/Target/Alpha/AlphaISelLowering.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/Alpha/AlphaISelLowering.cpp b/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
index 1034b6103e9..777ab524ada 100644
--- a/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -855,6 +855,11 @@ AlphaTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
MachineBasicBlock *llscMBB = F->CreateMachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
+ // Inform sdisel of the edge changes.
+ for (MachineBasicBlock::succ_iterator I = BB->succ_begin(),
+ E = BB->succ_end(); I != E; ++I)
+ EM->insert(std::make_pair(*I, sinkMBB));
+
sinkMBB->transferSuccessors(thisMBB);
F->insert(It, llscMBB);
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