Reapply r107655 with fixes; insert the pseudo instruction into
the block before calling the expansion hook. And don't
put EFLAGS in a mbb's live-in list twice.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107691 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 90084a7..b16c24b 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -863,7 +863,10 @@
MachineBasicBlock *llscMBB = F->CreateMachineBasicBlock(LLVM_BB);
MachineBasicBlock *sinkMBB = F->CreateMachineBasicBlock(LLVM_BB);
- sinkMBB->transferSuccessors(thisMBB);
+ sinkMBB->splice(sinkMBB->begin(), thisMBB,
+ llvm::next(MachineBasicBlock::iterator(MI)),
+ thisMBB->end());
+ sinkMBB->transferSuccessorsAndUpdatePHIs(thisMBB);
F->insert(It, llscMBB);
F->insert(It, sinkMBB);
@@ -912,7 +915,7 @@
thisMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(llscMBB);
llscMBB->addSuccessor(sinkMBB);
- F->DeleteMachineInstr(MI); // The pseudo instruction is gone now.
+ MI->eraseFromParent(); // The pseudo instruction is gone now.
return sinkMBB;
}