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-rw-r--r--src/test/codegen/issue-83623-SIMD-PartialEq.rs46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/test/codegen/issue-83623-SIMD-PartialEq.rs b/src/test/codegen/issue-83623-SIMD-PartialEq.rs
new file mode 100644
index 00000000000..b22b7f52402
--- /dev/null
+++ b/src/test/codegen/issue-83623-SIMD-PartialEq.rs
@@ -0,0 +1,46 @@
+// This test checks that jumps generated by logical operators can be optimized away
+
+// compile-flags: -Copt-level=3
+// only-64bit
+
+#![crate_type="lib"]
+
+pub struct Blueprint {
+    pub fuel_tank_size: u32,
+    pub payload: u32,
+    pub wheel_diameter: u32,
+    pub wheel_width: u32,
+    pub storage: u32,
+}
+
+// && chains should not prevent SIMD optimizations for primitives
+impl PartialEq for Blueprint{
+    fn eq(&self, other: &Self)->bool{
+       // CHECK-NOT: call{{.*}}bcmp
+       // CHECK-NOT: call{{.*}}memcmp
+       // CHECK-NOT: br {{.*}}
+       self.fuel_tank_size == other.fuel_tank_size
+            && self.payload == other.payload
+            && self.wheel_diameter == other.wheel_diameter
+            && self.wheel_width == other.wheel_width
+            && self.storage == other.storage
+    }
+}
+
+#[derive(PartialEq)]
+pub struct Blueprint2 {
+    pub fuel_tank_size: u32,
+    pub payload: u32,
+    pub wheel_diameter: u32,
+    pub wheel_width: u32,
+    pub storage: u32,
+}
+
+// Derived PartialEq should not generate jumps and should use SIMD
+#[no_mangle]
+pub fn partial_eq_should_not_jump(a: &Blueprint2, b:&Blueprint2)->bool{
+    // CHECK-NOT: call{{.*}}bcmp
+    // CHECK-NOT: call{{.*}}memcmp
+    // CHECK-NOT: br {{.*}}
+    a==b
+}