diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineVerifier.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineVerifier.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp index c0710c4..fdf1048 100644 --- a/llvm/lib/CodeGen/MachineVerifier.cpp +++ b/llvm/lib/CodeGen/MachineVerifier.cpp @@ -2584,6 +2584,14 @@ MachineVerifier::visitMachineOperand(const MachineOperand *MO, unsigned MONum) { report("Extra explicit operand on non-variadic instruction", MO, MONum); } + // Verify earlyClobber def operand + if (MCID.getOperandConstraint(MONum, MCOI::EARLY_CLOBBER) != -1) { + if (!MO->isReg()) + report("Early clobber must be a register", MI); + if (!MO->isEarlyClobber()) + report("Missing earlyClobber flag", MI); + } + switch (MO->getType()) { case MachineOperand::MO_Register: { // Verify debug flag on debug instructions. Check this first because reg0 |