This could fail, which looked concerning. However nothing was actually
using the results of this. I assume this was intended to use the
anti-feature of analyzeBranch of removing instructions, but wasn't
actually calling it with AllowModify = true.
Fixes bug 42162.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@362800
91177308-0d34-0410-b5e6-
96231b3b80d8
}
appendCopies(PredBB, CopyInfos, Copies);
- // Simplify
- MachineBasicBlock *PredTBB = nullptr, *PredFBB = nullptr;
- SmallVector<MachineOperand, 4> PredCond;
- TII->analyzeBranch(*PredBB, PredTBB, PredFBB, PredCond);
-
NumTailDupAdded += TailBB->size() - 1; // subtract one for removed branch
// Update the CFG.