diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2011-06-27 23:40:45 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2011-06-27 23:40:45 +0000 |
| commit | f10711fb8c8b5596e973bcc27b5af6203fec34b4 (patch) | |
| tree | b3f745963e601166927c9e540ff898fab17dc3a9 /lib/CodeGen/RegAllocLinearScan.cpp | |
| parent | 156d460c758463eb407590cba2371857daf27d8a (diff) | |
Remove the experimental (and unused) pre-ra splitting pass. Greedy regalloc can split live ranges.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133962 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
| -rw-r--r-- | lib/CodeGen/RegAllocLinearScan.cpp | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp index 2ad0747038..0dd3c598c1 100644 --- a/lib/CodeGen/RegAllocLinearScan.cpp +++ b/lib/CodeGen/RegAllocLinearScan.cpp @@ -58,11 +58,6 @@ NewHeuristic("new-spilling-heuristic", cl::init(false), cl::Hidden); static cl::opt<bool> -PreSplitIntervals("pre-alloc-split", - cl::desc("Pre-register allocation live interval splitting"), - cl::init(false), cl::Hidden); - -static cl::opt<bool> TrivCoalesceEnds("trivial-coalesce-ends", cl::desc("Attempt trivial coalescing of interval ends"), cl::init(false), cl::Hidden); @@ -104,7 +99,6 @@ namespace { initializeRegisterCoalescerPass( *PassRegistry::getPassRegistry()); initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry()); - initializePreAllocSplittingPass(*PassRegistry::getPassRegistry()); initializeLiveStacksPass(*PassRegistry::getPassRegistry()); initializeMachineDominatorTreePass(*PassRegistry::getPassRegistry()); initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry()); @@ -217,8 +211,6 @@ namespace { // to coalescing and which analyses coalescing invalidates. AU.addRequiredTransitive<RegisterCoalescer>(); AU.addRequired<CalculateSpillWeights>(); - if (PreSplitIntervals) - AU.addRequiredID(PreAllocSplittingID); AU.addRequiredID(LiveStacksID); AU.addPreservedID(LiveStacksID); AU.addRequired<MachineLoopInfo>(); @@ -401,7 +393,6 @@ INITIALIZE_PASS_BEGIN(RALinScan, "linearscan-regalloc", INITIALIZE_PASS_DEPENDENCY(LiveIntervals) INITIALIZE_PASS_DEPENDENCY(StrongPHIElimination) INITIALIZE_PASS_DEPENDENCY(CalculateSpillWeights) -INITIALIZE_PASS_DEPENDENCY(PreAllocSplitting) INITIALIZE_PASS_DEPENDENCY(LiveStacks) INITIALIZE_PASS_DEPENDENCY(MachineLoopInfo) INITIALIZE_PASS_DEPENDENCY(VirtRegMap) |