diff options
Diffstat (limited to 'llvm/lib/CodeGen/BranchFolding.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/BranchFolding.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp index d3d276ff0df..618266731c0 100644 --- a/llvm/lib/CodeGen/BranchFolding.cpp +++ b/llvm/lib/CodeGen/BranchFolding.cpp @@ -270,7 +270,9 @@ static unsigned HashMachineInstr(const MachineInstr *MI) { for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) { const MachineOperand &Op = MI->getOperand(i); - // Merge in bits from the operand if easy. + // Merge in bits from the operand if easy. We can't use MachineOperand's + // hash_code here because it's not deterministic and we sort by hash value + // later. unsigned OperandHash = 0; switch (Op.getType()) { case MachineOperand::MO_Register: |
