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-rw-r--r--llvm/lib/Target/Mips/MipsISelLowering.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index f68d5540ca5..ab8790ad7db 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -308,9 +308,12 @@ MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
F->insert(It, sinkMBB);
// Update machine-CFG edges by first adding all successors of the current
// block to the new block which will contain the Phi node for the select.
+ // Also inform sdisel of the edge changes.
for(MachineBasicBlock::succ_iterator i = BB->succ_begin(),
- e = BB->succ_end(); i != e; ++i)
+ e = BB->succ_end(); i != e; ++i) {
+ EM->insert(std::make_pair(*i, sinkMBB));
sinkMBB->addSuccessor(*i);
+ }
// Next, remove all successors of the current block, and add the true
// and fallthrough blocks as its successors.
while(!BB->succ_empty())
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