add test for armv7 thumb lift cmp instruction

fugue-core/Cargo.toml

@@ -34,3 +34,4 @@ uuid = "1"
 [dev-dependencies]
 anyhow = "1"
 env_logger = "0.10"
+ahash = { version = "0.8", features = ["serde"] }

fugue-ir/src/translator.rs

@@ -1037,4 +1037,38 @@ mod test {
 
         Ok(())
     }
+
+    #[test]
+    fn test_arm7_thumb_cmp_bug() {
+        use crate::disassembly::IRBuilderArena;
+        use crate::translator::Translator;
+        use fugue_arch::ArchitectureDef;
+        use fugue_bytes::endian::Endian;
+        use ahash::AHashMap as Map;
+
+        let mut translator = Translator::from_file(
+            "pc",
+            &ArchitectureDef::new("ARM", Endian::Little, 64, "Cortex"),
+            &Map::default(),
+            "./data/processors/ARM/ARM7_le.sla",
+        ).expect("failed to load translator");
+
+        translator.set_variable_default("TMode", 1);
+        translator.set_variable_default("LRset", 0);
+        translator.set_variable_default("spsr", 0);
+
+
+        let bytes = [0x02, 0x2b];
+
+        let mut db = translator.context_database();
+        let irb = IRBuilderArena::with_capacity(4096);
+
+        let addr = translator.address(0x1000u64);
+        let pcode = translator.lift(&mut db, &irb, addr, &bytes)
+            .expect("failed to lift bytes");
+
+        println!("{}", pcode.display(&translator));
+        let intlesseq_op = &pcode.operations[0];
+        assert!(intlesseq_op.inputs[0].space().is_register(), "expected lhs to be register")
+    }
 }