AMDGPU: Don't look at chain users when adjusting writemask
Fixes not adjusting using new intrinsics with chains.
llvm-svn: 295878
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 83ee856b..7243b81 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -4487,6 +4487,10 @@
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)