diff options
Diffstat (limited to 'llvm/lib/CodeGen/TailDuplication.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TailDuplication.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp index 648bf48b7d17..20892a79d35f 100644 --- a/llvm/lib/CodeGen/TailDuplication.cpp +++ b/llvm/lib/CodeGen/TailDuplication.cpp @@ -31,6 +31,7 @@ namespace { class TailDuplicateBase : public MachineFunctionPass { TailDuplicator Duplicator; + std::unique_ptr<MBFIWrapper> MBFIW; bool PreRegAlloc; public: TailDuplicateBase(char &PassID, bool PreRegAlloc) @@ -88,7 +89,10 @@ bool TailDuplicateBase::runOnMachineFunction(MachineFunction &MF) { auto *MBFI = (PSI && PSI->hasProfileSummary()) ? &getAnalysis<LazyMachineBlockFrequencyInfoPass>().getBFI() : nullptr; - Duplicator.initMF(MF, PreRegAlloc, MBPI, MBFI, PSI, /*LayoutMode=*/false); + if (MBFI) + MBFIW = std::make_unique<MBFIWrapper>(*MBFI); + Duplicator.initMF(MF, PreRegAlloc, MBPI, MBFI ? MBFIW.get() : nullptr, PSI, + /*LayoutMode=*/false); bool MadeChange = false; while (Duplicator.tailDuplicateBlocks()) |