diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/R600/SIInsertWaits.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Target/R600/SIInsertWaits.cpp b/llvm/lib/Target/R600/SIInsertWaits.cpp index 2e56508e2fa..181b11643bf 100644 --- a/llvm/lib/Target/R600/SIInsertWaits.cpp +++ b/llvm/lib/Target/R600/SIInsertWaits.cpp @@ -428,7 +428,11 @@ bool SIInsertWaits::runOnMachineFunction(MachineFunction &MF) { for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end(); I != E; ++I) { - Changes |= insertWait(MBB, I, handleOperands(*I)); + // Wait for everything before a barrier. + if (I->getOpcode() == AMDGPU::S_BARRIER) + Changes |= insertWait(MBB, I, LastIssued); + else + Changes |= insertWait(MBB, I, handleOperands(*I)); pushInstruction(MBB, I); } |
