diff --git a/tests/d3d12.c b/tests/d3d12.c
index edbde793..548a1060 100644
--- a/tests/d3d12.c
+++ b/tests/d3d12.c
@@ -4111,6 +4111,48 @@ static void test_shader_instructions(void)
         0x001020f2, 0x00000000, 0x00004002, 0x3f800000, 0x3f800000, 0x3f800000, 0x3f800000, 0x0100003e,
     };
     static const D3D12_SHADER_BYTECODE ps_if_return = {ps_if_return_code, sizeof(ps_if_return_code)};
+    static const DWORD ps_nested_if_code[] =
+    {
+        /* compiled with /Gfp option */
+#if 0
+        float4 src0;
+
+        void main(out float4 dst : SV_Target)
+        {
+            if (src0.x)
+            {
+                if (src0.y)
+                    dst = float4(0, 1, 0, 1);
+                else
+                    dst = float4(0, 0, 1, 1);
+            }
+            else
+            {
+                if (src0.z)
+                    dst = float4(1, 0, 0, 1);
+                else
+                    dst = float4(0, 0, 0, 1);
+            }
+        }
+#endif
+        0x43425844, 0x35e50e88, 0x68c45bdd, 0x0dc60de1, 0x4bc29735, 0x00000001, 0x000001ec, 0x00000003,
+        0x0000002c, 0x0000003c, 0x00000070, 0x4e475349, 0x00000008, 0x00000000, 0x00000008, 0x4e47534f,
+        0x0000002c, 0x00000001, 0x00000008, 0x00000020, 0x00000000, 0x00000000, 0x00000003, 0x00000000,
+        0x0000000f, 0x545f5653, 0x65677261, 0xabab0074, 0x58454853, 0x00000174, 0x00000050, 0x0000005d,
+        0x0100086a, 0x04000059, 0x00208e46, 0x00000000, 0x00000001, 0x03000065, 0x001020f2, 0x00000000,
+        0x02000068, 0x00000001, 0x0b000039, 0x00100012, 0x00000000, 0x00004002, 0x00000000, 0x00000000,
+        0x00000000, 0x00000000, 0x0020800a, 0x00000000, 0x00000000, 0x0304001f, 0x0010000a, 0x00000000,
+        0x0b000039, 0x00100012, 0x00000000, 0x00004002, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+        0x0020801a, 0x00000000, 0x00000000, 0x0304001f, 0x0010000a, 0x00000000, 0x08000036, 0x001020f2,
+        0x00000000, 0x00004002, 0x00000000, 0x3f800000, 0x00000000, 0x3f800000, 0x01000012, 0x08000036,
+        0x001020f2, 0x00000000, 0x00004002, 0x00000000, 0x00000000, 0x3f800000, 0x3f800000, 0x01000015,
+        0x01000012, 0x0b000039, 0x00100012, 0x00000000, 0x00004002, 0x00000000, 0x00000000, 0x00000000,
+        0x00000000, 0x0020802a, 0x00000000, 0x00000000, 0x0304001f, 0x0010000a, 0x00000000, 0x08000036,
+        0x001020f2, 0x00000000, 0x00004002, 0x3f800000, 0x00000000, 0x00000000, 0x3f800000, 0x01000012,
+        0x08000036, 0x001020f2, 0x00000000, 0x00004002, 0x00000000, 0x00000000, 0x00000000, 0x3f800000,
+        0x01000015, 0x01000015, 0x0100003e,
+    };
+    static const D3D12_SHADER_BYTECODE ps_nested_if = {ps_nested_if_code, sizeof(ps_nested_if_code)};
     static const DWORD ps_src_modifiers_code[] =
     {
 #if 0
@@ -4665,6 +4707,11 @@ static void test_shader_instructions(void)
         {&ps_if_return, {{5.0f, 4.0f, 0.0f, 5.0f}}, {{1.0f, 1.0f, 1.0f, 0.0f}}},
         {&ps_if_return, {{ NAN,  NAN,  NAN,  NAN}}, {{1.0f, 1.0f, 1.0f, 1.0f}}},
 
+        {&ps_nested_if, {{0.0f, 0.0f, 0.0f}}, {{0.0f, 0.0f, 0.0f, 1.0f}}},
+        {&ps_nested_if, {{0.0f, 0.0f, 1.0f}}, {{1.0f, 0.0f, 0.0f, 1.0f}}},
+        {&ps_nested_if, {{1.0f, 0.0f, 1.0f}}, {{0.0f, 0.0f, 1.0f, 1.0f}}},
+        {&ps_nested_if, {{1.0f, 1.0f, 1.0f}}, {{0.0f, 1.0f, 0.0f, 1.0f}}},
+
         {&ps_src_modifiers, {{ 1.0f,  1.0f,  1.0f,  2.0f}}, {{-1.0f, 1.0f, -1.0f, -2.0f}}},
         {&ps_src_modifiers, {{-1.0f, -1.0f, -1.0f, -2.0f}}, {{ 1.0f, 1.0f, -1.0f, -2.0f}}},