1 files changed, 8 insertions, 8 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
index f761606f2e8..60e5d6ea645 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
@@ -107,15 +107,8 @@ defm : ARGUMENT<F64>;
 let Defs = [ARGUMENTS] in {
 
 // get_local and set_local are not generated by instruction selection; they
-// are implied by virtual register uses and defs in most contexts. However,
-// they are explicitly emitted for special purposes.
+// are implied by virtual register uses and defs.
 multiclass LOCAL<WebAssemblyRegClass vt> {
-  def GET_LOCAL_#vt : I<(outs vt:$res), (ins i32imm:$regno), [],
-                        "get_local\t$res, $regno">;
-  // TODO: set_local returns its operand value
-  def SET_LOCAL_#vt : I<(outs), (ins i32imm:$regno, vt:$src), [],
-                        "set_local\t$regno, $src">;
-
   // COPY_LOCAL is not an actual instruction in wasm, but since we allow
   // get_local and set_local to be implicit, we can have a COPY_LOCAL which
   // is actually a no-op because all the work is done in the implied
@@ -123,6 +116,13 @@ multiclass LOCAL<WebAssemblyRegClass vt> {
   let isAsCheapAsAMove = 1 in
   def COPY_LOCAL_#vt : I<(outs vt:$res), (ins vt:$src), [],
                          "copy_local\t$res, $src">;
+
+  // TEE_LOCAL is similar to COPY_LOCAL, but writes two copies of its result.
+  // Typically this would be used to stackify one result and write the other
+  // result to a local.
+  let isAsCheapAsAMove = 1 in
+  def TEE_LOCAL_#vt : I<(outs vt:$res, vt:$also), (ins vt:$src), [],
+                        "tee_local\t$res, $also, $src">;
 }
 defm : LOCAL<I32>;
 defm : LOCAL<I64>;