diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index 40e3840e6b0..7d57cc0956d 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -32,6 +32,7 @@ #include "llvm/ADT/SmallPtrSet.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/Statistic.h" +#include "llvm/Analysis/BlockFrequencyInfoImpl.h" #include "llvm/CodeGen/MachineBasicBlock.h" #include "llvm/CodeGen/MachineBlockFrequencyInfo.h" #include "llvm/CodeGen/MachineBranchProbabilityInfo.h" @@ -146,6 +147,11 @@ static cl::opt<unsigned> TailDuplicatePlacementThreshold( extern cl::opt<unsigned> StaticLikelyProb; extern cl::opt<unsigned> ProfileLikelyProb; +#ifndef NDEBUG +extern cl::opt<GVDAGType> ViewBlockLayoutWithBFI; +extern cl::opt<std::string> ViewBlockFreqFuncName; +#endif + namespace { class BlockChain; /// \brief Type for our function-wide basic block -> block chain mapping. @@ -2067,6 +2073,14 @@ bool MachineBlockPlacement::runOnMachineFunction(MachineFunction &MF) { MBI->setAlignment(AlignAllNonFallThruBlocks); } } +#ifndef NDEBUG + if (ViewBlockLayoutWithBFI != GVDT_None && + (ViewBlockFreqFuncName.empty() || + F->getFunction()->getName().equals(ViewBlockFreqFuncName))) { + MBFI->view(false); + } +#endif + // We always return true as we have no way to track whether the final order // differs from the original order. |
