1 files changed, 25 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineVerifier.cpp b/llvm/lib/CodeGen/MachineVerifier.cpp
index b08a93a..8e64e40 100644
--- a/llvm/lib/CodeGen/MachineVerifier.cpp
+++ b/llvm/lib/CodeGen/MachineVerifier.cpp
@@ -1585,6 +1585,31 @@ void MachineVerifier::verifyPreISelGenericInstruction(const MachineInstr *MI) {
 
     break;
   }
+  case TargetOpcode::G_ABDS:
+  case TargetOpcode::G_ABDU: {
+    LLT DstTy = MRI->getType(MI->getOperand(0).getReg());
+    LLT SrcTy = MRI->getType(MI->getOperand(1).getReg());
+    LLT SrcTy2 = MRI->getType(MI->getOperand(2).getReg());
+
+    if ((DstTy.isVector() != SrcTy.isVector()) ||
+        (DstTy.isVector() &&
+         DstTy.getElementCount() != SrcTy.getElementCount())) {
+      report("Generic vector abds/abdu must preserve number of lanes", MI);
+      break;
+    }
+
+    if (SrcTy != SrcTy2) {
+      report("Generic abds/abdu must have same input types", MI);
+      break;
+    }
+
+    if (DstTy != SrcTy) {
+      report("Generic abds/abdu must have same input and output types", MI);
+      break;
+    }
+
+    break;
+  }
   case TargetOpcode::G_SCMP:
   case TargetOpcode::G_UCMP: {
     LLT DstTy = MRI->getType(MI->getOperand(0).getReg());