diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/BranchFolding.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp index 75288b0934c..5dec3681127 100644 --- a/llvm/lib/CodeGen/BranchFolding.cpp +++ b/llvm/lib/CodeGen/BranchFolding.cpp @@ -870,6 +870,9 @@ bool BranchFolder::TailMergeBlocks(MachineFunction &MF) { // Visit each predecessor only once. if (!UniquePreds.insert(PBB)) continue; + // Skip blocks which may jump to a landing pad. Can't tail merge these. + if (PBB->getLandingPadSuccessor()) + continue; MachineBasicBlock *TBB = 0, *FBB = 0; SmallVector<MachineOperand, 4> Cond; if (!TII->AnalyzeBranch(*PBB, TBB, FBB, Cond, true)) { |
