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Rename usesCustomDAGSchedInserter to usesCustomInserter, and update a

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bunch of associated comments, because it doesn't have anything to do
with DAGs or scheduling. This is another step in decoupling MachineInstr
emitting from scheduling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85517 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-10-29 18:10:34 +00:00
parent 5c95230f25
commit 533297b58d
28 changed files with 64 additions and 62 deletions
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7
include/llvm/Target/TargetLowering.h
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@@ -1425,14 +1425,15 @@ public:
SelectionDAG &DAG) const;
//===--------------------------------------------------------------------===//
// Scheduler hooks
// Instruction Emitting Hooks
//
// EmitInstrWithCustomInserter - This method should be implemented by targets
// that mark instructions with the 'usesCustomDAGSchedInserter' flag. These
// that mark instructions with the 'usesCustomInserter' flag. These
// instructions are special in various ways, which require special support to
// insert. The specified MachineInstr is created but not inserted into any
// basic blocks, and the scheduler passes ownership of it to this method.
// basic blocks, and this method is called to expand it into a sequence of
// instructions, potentially also creating new basic blocks and control flow.
// When new basic blocks are inserted and the edges from MBB to its successors
// are modified, the method should insert pairs of <OldSucc, NewSucc> into the
// DenseMap.