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| author | Andrew Trick <atrick@apple.com> | 2012-11-06 03:13:46 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-11-06 03:13:46 +0000 |
| commit | a78d3228e8b2a14915ea9908dbaaf2c934803e11 (patch) | |
| tree | a38f289fcd4d8cbb94ba239ed6398803d89f81e9 /lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | |
| parent | 887c1fe7010d6f487ce246df6e2fc18eeb4eaa05 (diff) | |
| download | llvm-a78d3228e8b2a14915ea9908dbaaf2c934803e11.tar.gz llvm-a78d3228e8b2a14915ea9908dbaaf2c934803e11.tar.bz2 llvm-a78d3228e8b2a14915ea9908dbaaf2c934803e11.tar.xz | |
ScheduleDAG interface. Added OrderKind to distinguish nonregister dependencies.
This is in preparation for adding "weak" DAG edges, but generally
simplifies the design.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167435 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 714471f559..a197fcbfa5 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp @@ -485,14 +485,15 @@ void ScheduleDAGSDNodes::AddSchedEdges() { if(isChain && OpN->getOpcode() == ISD::TokenFactor) OpLatency = 0; - const SDep &dep = SDep(OpSU, isChain ? SDep::Order : SDep::Data, - OpLatency, PhysReg); + SDep Dep = isChain ? SDep(OpSU, SDep::Barrier) + : SDep(OpSU, SDep::Data, PhysReg); + Dep.setLatency(OpLatency); if (!isChain && !UnitLatencies) { - computeOperandLatency(OpN, N, i, const_cast<SDep &>(dep)); - ST.adjustSchedDependency(OpSU, SU, const_cast<SDep &>(dep)); + computeOperandLatency(OpN, N, i, Dep); + ST.adjustSchedDependency(OpSU, SU, Dep); } - if (!SU->addPred(dep) && !dep.isCtrl() && OpSU->NumRegDefsLeft > 1) { + if (!SU->addPred(Dep) && !Dep.isCtrl() && OpSU->NumRegDefsLeft > 1) { // Multiple register uses are combined in the same SUnit. For example, // we could have a set of glued nodes with all their defs consumed by // another set of glued nodes. Register pressure tracking sees this as |