From a97ff2a750edf9ba4a9cdfd72f419f6836fe6b2d Mon Sep 17 00:00:00 2001
From: Alex Huang <huangalex409@gmail.com>
Date: Tue, 30 Jan 2024 14:37:59 -0500
Subject: [PATCH] Add additional test cases for is_val_statically_known

---
 tests/codegen/is_val_statically_known.rs | 38 ++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/tests/codegen/is_val_statically_known.rs b/tests/codegen/is_val_statically_known.rs
index 44187d4f667dd..8f084f6c54bdc 100644
--- a/tests/codegen/is_val_statically_known.rs
+++ b/tests/codegen/is_val_statically_known.rs
@@ -46,3 +46,41 @@ pub fn _bool_false(b: bool) -> i32 {
     // CHECK: ret i32 2
     _bool(b)
 }
+
+#[inline]
+pub fn _iref(a: &u8) -> i32 {
+    if unsafe { is_val_statically_known(a) } { 5 } else { 4 }
+}
+
+// CHECK-LABEL: @_iref_borrow(
+#[no_mangle]
+pub fn _iref_borrow() -> i32 {
+    // CHECK: ret i32 4
+    _iref(&0)
+}
+
+// CHECK-LABEL: @_iref_arg(
+#[no_mangle]
+pub fn _iref_arg(a: &u8) -> i32 {
+    // CHECK: ret i32 4
+    _iref(a)
+}
+
+#[inline]
+pub fn _slice_ref(a: &[u8]) -> i32 {
+    if unsafe { is_val_statically_known(a) } { 7 } else { 6 }
+}
+
+// CHECK-LABEL: @_slice_ref_borrow(
+#[no_mangle]
+pub fn _slice_ref_borrow() -> i32 {
+    // CHECK: ret i32 6
+    _slice_ref(&[0;3])
+}
+
+// CHECK-LABEL: @_slice_ref_arg(
+#[no_mangle]
+pub fn _slice_ref_arg(a: &[u8]) -> i32 {
+    // CHECK: ret i32 6
+    _slice_ref(a)
+}