1 ; This testcase is for testing expressions constructed from
2 ; constant values, including constant pointers to globals.
5 ;;-------------------------------
6 ;; Test constant cast expressions
7 ;;-------------------------------
9 global ulong u0x00001 ; hexadecimal unsigned integer constants
10 global long s0x0012312 ; hexadecimal signed integer constants
12 %t2 = global int* %t1 ;; Forward reference without cast
13 %t3 = global uint* cast (int* %t1 to uint*) ;; Forward reference with cast
14 %t1 = global int 4 ;; int* %0
15 %t4 = global int** cast (uint** %t3 to int**) ;; Cast of a previous cast
16 %t5 = global uint** %t3 ;; Reference to a previous cast
17 %t6 = global int*** %t4 ;; Different ref. to a previous cast
18 %t7 = global float* cast (int 12345678 to float*) ;; Cast ordinary value to ptr
19 %t9 = global int cast (float cast (int 8 to float) to int) ;; Nested cast expression
21 global int* cast (float* %0 to int*) ;; Forward numeric reference
22 global float* %0 ;; Duplicate forward numeric reference
26 ;;---------------------------------------------------
27 ;; Test constant getelementpr expressions for arrays
28 ;;---------------------------------------------------
30 %array = constant [2 x int] [ int 12, int 52 ]
31 %arrayPtr = global int* getelementptr ([2 x int]* %array, long 0, long 0) ;; int* &%array[0][0]
32 %arrayPtr5 = global int** getelementptr (int** %arrayPtr, long 5) ;; int* &%arrayPtr[5]
34 %somestr = constant [11x sbyte] c"hello world"
35 %char5 = global sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 5)
37 ;; cast of getelementptr
38 %char8a = global int* cast (sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 8) to int*)
40 ;; getelementptr containing casts
41 %char8b = global sbyte* getelementptr([11x sbyte]* %somestr, long cast (ubyte 0 to long), long cast (sbyte 8 to long))
43 ;;-------------------------------------------------------
44 ;; TODO: Test constant getelementpr expressions for structures
45 ;;-------------------------------------------------------
47 %SType = type { int , {float, {ubyte} }, ulong } ;; struct containing struct
48 %SAType = type { int , {[2x float], ulong} } ;; struct containing array
50 %S1 = global %SType* null ;; Global initialized to NULL
51 %S2c = constant %SType { int 1, {float,{ubyte}} {float 2.0, {ubyte} {ubyte 3}}, ulong 4}
53 %S3c = constant %SAType { int 1, {[2x float], ulong} {[2x float] [float 2.0, float 3.0], ulong 4} }
55 %S1ptr = global %SType** %S1 ;; Ref. to global S1
56 %S2 = global %SType* %S2c ;; Ref. to constant S2
57 %S3 = global %SAType* %S3c ;; Ref. to constant S3
59 ;; Pointer to float (**%S1).1.0
60 %S1fld1a = global float* getelementptr (%SType* %S2c, long 0, ubyte 1, ubyte 0)
61 ;; Another ptr to the same!
62 %S1fld1b = global float* getelementptr (%SType* %S2c, long 0, ubyte 1, ubyte 0)
64 %S1fld1bptr = global float** %S1fld1b ;; Ref. to previous pointer
66 ;; Pointer to ubyte (**%S2).1.1.0
67 %S2fld3 = global ubyte* getelementptr (%SType* %S2c, long 0, ubyte 1, ubyte 1, ubyte 0)
69 ;; Pointer to float (**%S2).1.0[0]
70 ;%S3fld3 = global float* getelementptr (%SAType** %S3, long 0, long 0, ubyte 1, ubyte 0, long 0)
72 ;;---------------------------------------------------------
73 ;; TODO: Test constant expressions for unary and binary operators
74 ;;---------------------------------------------------------
77 ;;---------------------------------------------------
78 ;; Test duplicate constant expressions
79 ;;---------------------------------------------------
81 %t4 = global int** cast (uint** %t3 to int**)
83 %char8a = global int* cast (sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 8) to int*)
85 ;%S3fld3 = global float* getelementptr (%SAType** %S3, long 0, long 0, ubyte 1, ubyte 0, long 0)
88 ;;---------------------------------------------------