diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockPlacement.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineBlockPlacement.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp index 88457ba8..37055af 100644 --- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp +++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp @@ -1747,8 +1747,10 @@ bool MachineBlockPlacement::runOnMachineFunction(MachineFunction &MF) { BranchFoldPlacement; // No tail merging opportunities if the block number is less than four. if (MF.size() > 3 && EnableTailMerge) { + // Default to the standard tail-merge-size option. + unsigned TailMergeSize = 0; BranchFolder BF(/*EnableTailMerge=*/true, /*CommonHoist=*/false, *MBFI, - *MBPI); + *MBPI, TailMergeSize); if (BF.OptimizeFunction(MF, TII, MF.getSubtarget().getRegisterInfo(), getAnalysisIfAvailable<MachineModuleInfo>(), MLI, |