Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes.
Not functionality change yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodesEmit.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodesEmit.cpp
index 5454e98..c404873 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodesEmit.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodesEmit.cpp
@@ -470,7 +470,8 @@
/// EmitNode - Generate machine code for an node and needed dependencies.
///
void ScheduleDAGSDNodes::EmitNode(SDNode *Node, bool IsClone, bool IsCloned,
- DenseMap<SDValue, unsigned> &VRBaseMap) {
+ DenseMap<SDValue, unsigned> &VRBaseMap,
+ DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) {
// If machine instruction
if (Node->isMachineOpcode()) {
unsigned Opc = Node->getMachineOpcode();
@@ -531,7 +532,7 @@
if (II.usesCustomDAGSchedInsertionHook()) {
// Insert this instruction into the basic block using a target
// specific inserter which may returns a new basic block.
- BB = TLI->EmitInstrWithCustomInserter(MI, BB);
+ BB = TLI->EmitInstrWithCustomInserter(MI, BB, EM);
InsertPos = BB->end();
} else {
BB->insert(InsertPos, MI);
@@ -652,7 +653,8 @@
}
/// EmitSchedule - Emit the machine code in scheduled order.
-MachineBasicBlock *ScheduleDAGSDNodes::EmitSchedule() {
+MachineBasicBlock *ScheduleDAGSDNodes::
+EmitSchedule(DenseMap<MachineBasicBlock*, MachineBasicBlock*> *EM) {
DenseMap<SDValue, unsigned> VRBaseMap;
DenseMap<SUnit*, unsigned> CopyVRBaseMap;
for (unsigned i = 0, e = Sequence.size(); i != e; i++) {
@@ -676,10 +678,11 @@
N = N->getFlaggedNode())
FlaggedNodes.push_back(N);
while (!FlaggedNodes.empty()) {
- EmitNode(FlaggedNodes.back(), SU->OrigNode != SU, SU->isCloned,VRBaseMap);
+ EmitNode(FlaggedNodes.back(), SU->OrigNode != SU, SU->isCloned,
+ VRBaseMap, EM);
FlaggedNodes.pop_back();
}
- EmitNode(SU->getNode(), SU->OrigNode != SU, SU->isCloned, VRBaseMap);
+ EmitNode(SU->getNode(), SU->OrigNode != SU, SU->isCloned, VRBaseMap, EM);
}
return BB;