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| author | Chris Lattner <sabre@nondot.org> | 2006-03-05 23:51:47 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-03-05 23:51:47 +0000 |
| commit | a93dfcd40a0750455d093903a9b65627c4e58a8e (patch) | |
| tree | d87de91a308ac6ef5fd3fbe8b7a42d9e709845f6 /lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | |
| parent | 202bc85a9508de5b5f24cfbac060e17ea2f5f8dc (diff) | |
When a hazard recognizer needs noops to be inserted, do so. This represents
noops as null pointers in the instruction sequence.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26564 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index 611abc3a11..c9455a0094 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -370,6 +370,10 @@ void ScheduleDAG::EmitNode(NodeInfo *NI) { NI->VRBase = VRBase; } +void ScheduleDAG::EmitNoop() { + TII->insertNoop(*BB, BB->end()); +} + /// EmitAll - Emit all nodes in schedule sorted order. /// void ScheduleDAG::EmitAll() { |