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Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes.

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Not functionality change yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2009-09-18 21:02:19 +00:00
parent 558b79a399
commit fb2e752e41
30 changed files with 85 additions and 41 deletions
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lib/CodeGen/ScheduleDAGInstrs.cpp
+2 -1
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@@ -493,7 +493,8 @@ std::string ScheduleDAGInstrs::getGraphNodeLabel(const SUnit *SU) const {
}
// EmitSchedule - Emit the machine code in scheduled order.
MachineBasicBlock *ScheduleDAGInstrs::EmitSchedule() {
MachineBasicBlock *ScheduleDAGInstrs::
EmitSchedule(DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) {
// For MachineInstr-based scheduling, we're rescheduling the instructions in
// the block, so start by removing them from the block.
while (Begin != InsertPos) {