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path: root/lib/CodeGen/RegAllocLinearScan.cpp
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Diffstat (limited to 'lib/CodeGen/RegAllocLinearScan.cpp')
-rw-r--r--lib/CodeGen/RegAllocLinearScan.cpp9
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)