Rename tests/codegen into tests/codegen-llvm

tests/codegen-llvm/const-array.rs

@@ -0,0 +1,15 @@
+//@ compile-flags: -Copt-level=3
+
+#![crate_type = "lib"]
+
+const LUT: [u8; 4] = [1, 1, 1, 1];
+
+// CHECK-LABEL: @decode
+#[no_mangle]
+pub fn decode(i: u8) -> u8 {
+    // CHECK: start:
+    // CHECK-NEXT: icmp
+    // CHECK-NEXT: select
+    // CHECK-NEXT: ret
+    if i < 4 { LUT[i as usize] } else { 2 }
+}