diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-24 01:00:08 +0000 | 
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-24 01:00:08 +0000 | 
| commit | c7dac04c3480f3c20487f912f77343139fce2d99 (patch) | |
| tree | 21a09bce0171e27bd1e92649db9df797fa097cea /lib/CodeGen/MachineBlockPlacement.cpp | |
| parent | 044eb2f6afba375a914ac9d8024f8f5142bb912e (diff) | |
Diffstat (limited to 'lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | lib/CodeGen/MachineBlockPlacement.cpp | 6 | 
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineBlockPlacement.cpp b/lib/CodeGen/MachineBlockPlacement.cpp index 4ce689607730..84c808ee7938 100644 --- a/lib/CodeGen/MachineBlockPlacement.cpp +++ b/lib/CodeGen/MachineBlockPlacement.cpp @@ -1235,7 +1235,7 @@ void MachineBlockPlacement::precomputeTriangleChains() {  // When profile is available, we need to handle the triangle-shape CFG.  static BranchProbability getLayoutSuccessorProbThreshold(        const MachineBasicBlock *BB) { -  if (!BB->getParent()->getFunction().getEntryCount()) +  if (!BB->getParent()->getFunction().hasProfileData())      return BranchProbability(StaticLikelyProb, 100);    if (BB->succ_size() == 2) {      const MachineBasicBlock *Succ1 = *BB->succ_begin(); @@ -2178,7 +2178,7 @@ MachineBlockPlacement::collectLoopBlockSet(const MachineLoop &L) {    // will be merged into the first outer loop chain for which this block is not    // cold anymore. This needs precise profile data and we only do this when    // profile data is available. -  if (F->getFunction().getEntryCount() || ForceLoopColdBlock) { +  if (F->getFunction().hasProfileData() || ForceLoopColdBlock) {      BlockFrequency LoopFreq(0);      for (auto LoopPred : L.getHeader()->predecessors())        if (!L.contains(LoopPred)) @@ -2220,7 +2220,7 @@ void MachineBlockPlacement::buildLoopChains(const MachineLoop &L) {    // for better layout.    bool RotateLoopWithProfile =        ForcePreciseRotationCost || -      (PreciseRotationCost && F->getFunction().getEntryCount()); +      (PreciseRotationCost && F->getFunction().hasProfileData());    // First check to see if there is an obviously preferable top block for the    // loop. This will default to the header, but may end up as one of the  | 
