diff options
| -rw-r--r-- | lib/CodeGen/RegAllocPBQP.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp index a7ea8e7c3a..ea2a02ddff 100644 --- a/lib/CodeGen/RegAllocPBQP.cpp +++ b/lib/CodeGen/RegAllocPBQP.cpp @@ -34,6 +34,7 @@ #include "PBQP/HeuristicSolver.h" #include "PBQP/Graph.h" #include "PBQP/Heuristics/Briggs.h" +#include "Splitter.h" #include "VirtRegMap.h" #include "VirtRegRewriter.h" #include "llvm/CodeGen/CalcSpillWeights.h" @@ -65,6 +66,11 @@ pbqpCoalescing("pbqp-coalescing", cl::desc("Attempt coalescing during PBQP register allocation."), cl::init(false), cl::Hidden); +static cl::opt<bool> +pbqpPreSplitting("pbqp-pre-splitting", + cl::desc("Pre-splite before PBQP register allocation."), + cl::init(false), cl::Hidden); + namespace { /// @@ -96,6 +102,8 @@ namespace { au.addPreserved<LiveStacks>(); au.addRequired<MachineLoopInfo>(); au.addPreserved<MachineLoopInfo>(); + if (pbqpPreSplitting) + au.addRequired<LoopSplitter>(); au.addRequired<VirtRegMap>(); MachineFunctionPass::getAnalysisUsage(au); } |