Support system delegate call (#116)

matter-labs · Sep 13, 2022 · f0d90be · f0d90be
1 parent e84aa0a
commit f0d90be
Showing 1 changed file with 19 additions and 0 deletions.
diff --git a/llvm/lib/Target/SyncVM/syncvm-runtime.ll b/llvm/lib/Target/SyncVM/syncvm-runtime.ll
@@ -390,6 +390,25 @@ err:
   ret {i8 addrspace(3)*, i1}* %in_res
 }
 
+define {i8 addrspace(3)*, i1}* @__systemdelegatecall(i256 %abi_params, i256 %address, i256 %p0, i256 %p1, {i8 addrspace(3)*, i1}* %in_res) personality i32 ()* @__personality {
+entry:
+  %in_res_result_ptr = getelementptr {i8 addrspace(3)*, i1}, {i8 addrspace(3)*, i1}* %in_res, i32 0, i32 0
+  %in_res_flag_ptr = getelementptr {i8 addrspace(3)*, i1}, {i8 addrspace(3)*, i1}* %in_res, i32 0, i32 1
+  %invoke_res = invoke i8 addrspace(3)* @__delegatecall_int(i256 %abi_params, i256 %address)
+    to label %ok unwind label %err
+ok:
+  store i8 addrspace(3)* %invoke_res, i8 addrspace(3)** %in_res_result_ptr
+  store i1 1, i1* %in_res_flag_ptr
+  ret {i8 addrspace(3)*, i1}* %in_res
+
+err:
+  %res.2 = landingpad {i8 addrspace(3)*, i256} cleanup
+  %res = extractvalue {i8 addrspace(3)*, i256} %res.2, 0
+  store i8 addrspace(3)* %res, i8 addrspace(3)** %in_res_result_ptr
+  store i1 0, i1* %in_res_flag_ptr
+  ret {i8 addrspace(3)*, i1}* %in_res
+}
+
 define void @__sstore(i256 %val, i256 %key) {
   call void @llvm.syncvm.sstore(i256 %key, i256 %val)
   ret void