diff options
| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2017-04-24 12:40:28 +0000 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2017-04-24 12:40:28 +0000 |
| commit | 1e8648577c6a47fbd136801ec686e30c3819a8d3 (patch) | |
| tree | 6cbc24ce2409bc4ae6d6118726275e9ceef82a2f /llvm/lib/Target | |
| parent | 54c736f8336ea4a02c23b56623941191504478fd (diff) | |
| download | bcm5719-llvm-1e8648577c6a47fbd136801ec686e30c3819a8d3.tar.gz bcm5719-llvm-1e8648577c6a47fbd136801ec686e30c3819a8d3.zip | |
[SystemZ] Update kill-flag in splitMove().
EarlierMI needs to clear the kill flag on the first operand in case of a store.
Review: Ulrich Weigand
llvm-svn: 301177
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp index c8ff9558cc8..58c4b14af97 100644 --- a/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp +++ b/llvm/lib/Target/SystemZ/SystemZInstrInfo.cpp @@ -104,8 +104,9 @@ void SystemZInstrInfo::splitMove(MachineBasicBlock::iterator MI, MachineOperand &LowOffsetOp = MI->getOperand(2); LowOffsetOp.setImm(LowOffsetOp.getImm() + 8); - // Clear the kill flags for the base and index registers in the first - // instruction. + // Clear the kill flags on the registers in the first instruction. + if (EarlierMI->getOperand(0).isReg() && EarlierMI->getOperand(0).isUse()) + EarlierMI->getOperand(0).setIsKill(false); EarlierMI->getOperand(1).setIsKill(false); EarlierMI->getOperand(3).setIsKill(false); |
