diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIISelLowering.cpp')
-rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index 83ee856b4fe..7243b813d62 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -4487,6 +4487,10 @@ void SITargetLowering::adjustWritemask(MachineSDNode *&Node, for (SDNode::use_iterator I = Node->use_begin(), E = Node->use_end(); I != E; ++I) { + // Don't look at users of the chain. + if (I.getUse().getResNo() != 0) + continue; + // Abort if we can't understand the usage if (!I->isMachineOpcode() || I->getMachineOpcode() != TargetOpcode::EXTRACT_SUBREG) |