Get rid of the EdgeMapping map. Instead, just check for BasicBlock
changes before doing phi lowering for switches.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102809 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index c0dea4d..e979c3f 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -252,8 +252,7 @@
MachineBasicBlock *
MipsTargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
- MachineBasicBlock *BB,
- DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) const {
+ MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
bool isFPCmp = false;
DebugLoc dl = MI->getDebugLoc();
@@ -301,12 +300,9 @@
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) {
- EM->insert(std::make_pair(*i, sinkMBB));
+ e = BB->succ_end(); i != e; ++i)
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())