diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIPostRABundler.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIPostRABundler.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIPostRABundler.cpp b/llvm/lib/Target/AMDGPU/SIPostRABundler.cpp index efdc55b8e68b..5720b978aada 100644 --- a/llvm/lib/Target/AMDGPU/SIPostRABundler.cpp +++ b/llvm/lib/Target/AMDGPU/SIPostRABundler.cpp @@ -184,9 +184,11 @@ bool SIPostRABundler::run(MachineFunction &MF) { if (I->getNumExplicitDefs() != 0) Defs.insert(I->defs().begin()->getReg()); ++ClauseLength; - } else if (!I->isMetaInstruction()) { - // Allow meta instructions in between bundle candidates, but do not - // start or end a bundle on one. + } else if (!I->isMetaInstruction() || + I->getOpcode() == AMDGPU::SCHED_BARRIER) { + // SCHED_BARRIER is not bundled to be honored by scheduler later. + // Allow other meta instructions in between bundle candidates, but do + // not start or end a bundle on one. // // TODO: It may be better to move meta instructions like dbg_value // after the bundle. We're relying on the memory legalizer to unbundle |