Address reviewer feedback.

[mono.git] / mono / mini / iltests.il

diff --git a/mono/mini/iltests.il b/mono/mini/iltests.il
index 09c94309b70353d96b20dcc7a676d4e01665515b..9c33cebac406a0ba1ee222622e53e9032936c99d 100644 (file)
--- a/mono/mini/iltests.il
+++ b/mono/mini/iltests.il
@@ -2896,4 +2896,65 @@ END:
     IL_0018:  ldloc.0
        ret
        }
+
+    .field  private static  int32 byte_val
+    .field  private static  int32 short_val
+
+    .method public static int32 test_0_implicit_widen_or_local_stores () cil managed 
+    {
+               .maxstack 4
+               .locals init (
+                       unsigned int8   V_0,
+                       int8    V_1,
+                       int16   V_2,
+                       unsigned int16  V_3)
+
+               /*
+               This test verifies that storing an I4 value from the evail stack into a local variable triggers proper widening.
+               The values are picked so storing them have different values depending on the sign'ness of the local variable.
+               */
+               ldc.i4 0x180
+               stsfld int32 Tests::byte_val
+               ldc.i4 0x18000
+               stsfld int32 Tests::short_val
+
+               ldsfld int32 Tests::byte_val
+               stloc.0
+               ldloc.0
+               ldc.i4 128 //0x80
+               beq L_0
+
+               ldc.i4.1
+               ret
+L_0:
+               ldsfld int32 Tests::byte_val
+               stloc.1
+               ldloc.1
+               ldc.i4 -128 //-0x80
+               beq L_1
+
+               ldc.i4.2
+               ret
+L_1:
+               ldsfld int32 Tests::short_val
+               stloc.2
+               ldloc.2
+               ldc.i4 -32768 //-0x8000
+               beq L_2
+
+               ldc.i4.3
+               ret
+L_2:
+               ldsfld int32 Tests::short_val
+               stloc.3
+               ldloc.3
+               ldc.i4 32768 //0x8000
+               beq L_3
+
+               ldc.i4.4
+               ret
+L_3:
+               ldc.i4.0
+               ret
+    }
 }