1 files changed, 35 insertions, 0 deletions
diff --git a/llvm/include/llvm/Target/GenericOpcodes.td b/llvm/include/llvm/Target/GenericOpcodes.td
index 14dd01f5b3d..ad32b9fab75 100644
--- a/llvm/include/llvm/Target/GenericOpcodes.td
+++ b/llvm/include/llvm/Target/GenericOpcodes.td
@@ -788,6 +788,32 @@ def G_ZEXTLOAD : GenericInstruction {
   let mayLoad = 1;
 }
 
+// Generic indexed load. Combines a GEP with a load. $newaddr is set to $base + $offset.
+// If $am is 0 (post-indexed), then the value is loaded from $base; if $am is 1 (pre-indexed)
+//  then the value is loaded from $newaddr.
+def G_INDEXED_LOAD : GenericInstruction {
+  let OutOperandList = (outs type0:$dst, ptype1:$newaddr);
+  let InOperandList = (ins ptype1:$base, type2:$offset, unknown:$am);
+  let hasSideEffects = 0;
+  let mayLoad = 1;
+}
+
+// Same as G_INDEXED_LOAD except that the load performed is sign-extending, as with G_SEXTLOAD.
+def G_INDEXED_SEXTLOAD : GenericInstruction {
+  let OutOperandList = (outs type0:$dst, ptype1:$newaddr);
+  let InOperandList = (ins ptype1:$base, type2:$offset, unknown:$am);
+  let hasSideEffects = 0;
+  let mayLoad = 1;
+}
+
+// Same as G_INDEXED_LOAD except that the load performed is zero-extending, as with G_ZEXTLOAD.
+def G_INDEXED_ZEXTLOAD : GenericInstruction {
+  let OutOperandList = (outs type0:$dst, ptype1:$newaddr);
+  let InOperandList = (ins ptype1:$base, type2:$offset, unknown:$am);
+  let hasSideEffects = 0;
+  let mayLoad = 1;
+}
+
 // Generic store. Expects a MachineMemOperand in addition to explicit operands.
 def G_STORE : GenericInstruction {
   let OutOperandList = (outs);
@@ -796,6 +822,15 @@ def G_STORE : GenericInstruction {
   let mayStore = 1;
 }
 
+// Combines a store with a GEP. See description of G_INDEXED_LOAD for indexing behaviour.
+def G_INDEXED_STORE : GenericInstruction {
+  let OutOperandList = (outs ptype0:$newaddr);
+  let InOperandList = (ins type1:$src, ptype0:$base, ptype2:$offset,
+                           unknown:$am);
+  let hasSideEffects = 0;
+  let mayStore = 1;
+}
+
 // Generic atomic cmpxchg with internal success check. Expects a
 // MachineMemOperand in addition to explicit operands.
 def G_ATOMIC_CMPXCHG_WITH_SUCCESS : GenericInstruction {