diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/MachineCopyPropagation.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineCopyPropagation.cpp b/llvm/lib/CodeGen/MachineCopyPropagation.cpp index a6863412132..117e1ebe3de 100644 --- a/llvm/lib/CodeGen/MachineCopyPropagation.cpp +++ b/llvm/lib/CodeGen/MachineCopyPropagation.cpp @@ -182,7 +182,8 @@ bool MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) { } } - // If Src is defined by a previous copy, it cannot be eliminated. + // If Src is defined by a previous copy, the previous copy cannot be + // eliminated. for (MCRegAliasIterator AI(Src, TRI, true); AI.isValid(); ++AI) { CI = CopyMap.find(*AI); if (CI != CopyMap.end()) { @@ -196,7 +197,7 @@ bool MachineCopyPropagation::CopyPropagateBlock(MachineBasicBlock &MBB) { // Copy is now a candidate for deletion. MaybeDeadCopies.insert(MI); - // If 'Src' is previously source of another copy, then this earlier copy's + // If 'Def' is previously source of another copy, then this earlier copy's // source is no longer available. e.g. // %xmm9<def> = copy %xmm2 // ... |
