Use unsigned LLVM intrinsic arithmetic for unsigned integers

Closes #2331
2025-09-30 23:31:12 +00:00 · 2022-01-10 18:58:48 -05:00 · 2022-01-10 18:58:48 -05:00 · abe42781d5
commit abe42781d5
parent 2f3919c870
3 changed files with 86 additions and 25 deletions
--- a/compiler/test_gen/src/gen_num.rs
+++ b/compiler/test_gen/src/gen_num.rs
@ -2101,3 +2101,57 @@ fn num_to_str() {
        RocStr
    );
 }
+
+#[test]
+#[cfg(any(feature = "gen-llvm", feature = "gen-wasm"))]
+fn u8_addition_greater_than_i8() {
+    assert_evals_to!(
+        indoc!(
+            r#"
+            x : U8
+            x = 100
+            y : U8
+            y = 100
+            x + y
+            "#
+        ),
+        200,
+        u8
+    )
+}
+
+#[test]
+#[cfg(any(feature = "gen-llvm", feature = "gen-wasm"))]
+fn u8_sub_greater_than_i8() {
+    assert_evals_to!(
+        indoc!(
+            r#"
+            x : U8
+            x = 255
+            y : U8
+            y = 55
+            x - y
+            "#
+        ),
+        200,
+        u8
+    )
+}
+
+#[test]
+#[cfg(any(feature = "gen-llvm", feature = "gen-wasm"))]
+fn u8_mul_greater_than_i8() {
+    assert_evals_to!(
+        indoc!(
+            r#"
+            x : U8
+            x = 40
+            y : U8
+            y = 5
+            x * y
+            "#
+        ),
+        200,
+        u8
+    )
+}