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|
; This testcase is for testing expressions constructed from
; constant values, including constant pointers to globals.
;
;;-------------------------------
;; Test constant cast expressions
;;-------------------------------
%t2 = global int* %t1 ;; Forward reference without cast
%t3 = global uint* cast int* %t1 ;; Forward reference with cast
%t1 = global int 4 ;; int* %0
%t4 = global int** cast uint** %t3 ;; Cast of a previous cast
%t5 = global uint** %t3 ;; Reference to a previous cast
%t6 = global int*** %t4 ;; Different ref. to a previous cast
%t7 = global float* cast int 12345678 ;; Cast ordinary value to ptr
%t9 = global int cast float cast int 8 ;; Nested cast expression
global int* cast float* %0 ;; Forward numeric reference
global float* %0 ;; Duplicate forward numeric reference
global float 0.0
;;---------------------------------------------------
;; Test constant getelementpr expressions for arrays
;;---------------------------------------------------
%array = constant [2 x int] [ int 12, int 52 ]
%arrayPtr = global int* getelementptr ([2 x int]* %array, uint 0, uint 0) ;; int* &%array[0][0]
%arrayPtr5 = global int* getelementptr (int** %arrayPtr, uint 0, uint 5) ;; int* &%arrayPtr[5]
%somestr = constant [11x sbyte] c"hello world"
%char5 = global sbyte* getelementptr([11x sbyte]* %somestr, uint 0, uint 5)
%char8a = global int* cast sbyte* getelementptr([11x sbyte]* %somestr, uint 0, uint 8) ;; cast of getelementptr
%char8b = global sbyte* getelementptr([11x sbyte]* %somestr, uint cast ubyte 0, uint cast sbyte 8) ;; getelementptr containing casts
;;-------------------------------------------------------
;; TODO: Test constant getelementpr expressions for structures
;;-------------------------------------------------------
%SType = type { int , {float, {ubyte} }, ulong } ;; struct containing struct
%SAType = type { int , {[2x float], ulong} } ;; struct containing array
%S1 = global %SType* null ;; Global initialized to NULL
%S2c = constant %SType { int 1, {float,{ubyte}} {float 2.0, {ubyte} {ubyte 3}}, ulong 4}
%S3c = constant %SAType { int 1, {[2x float], ulong} {[2x float] [float 2.0, float 3.0], ulong 4} }
%S1ptr = global %SType** %S1 ;; Ref. to global S1
%S2 = global %SType* %S2c ;; Ref. to constant S2
%S3 = global %SAType* %S3c ;; Ref. to constant S3
;; Pointer to float (**%S1).1.0
%S1fld1a = global float* getelementptr (%SType** %S1, uint 0, uint 0, ubyte 1, ubyte 0)
;; Another ptr to the same!
%S1fld1b = global float* getelementptr (%SType*** %S1ptr, uint 0, uint 0, uint 0, ubyte 1, ubyte 0)
%S1fld1bptr = global float** %S1fld1b ;; Ref. to previous pointer
;; Pointer to ubyte (**%S2).1.1.0
%S2fld3 = global ubyte* getelementptr (%SType** %S2, uint 0, uint 0, ubyte 1, ubyte 1, ubyte 0)
;; Pointer to float (**%S2).1.0[0]
%S3fld3 = global float* getelementptr (%SAType** %S3, uint 0, uint 0, ubyte 1, ubyte 0, uint 0)
;;---------------------------------------------------------
;; TODO: Test constant expressions for unary and binary operators
;;---------------------------------------------------------
;;---------------------------------------------------
;; Test duplicate constant expressions
;;---------------------------------------------------
%t4 = global int** cast uint** %t3
%char8a = global int* cast sbyte* getelementptr([11x sbyte]* %somestr, uint 0, uint 8)
%S3fld3 = global float* getelementptr (%SAType** %S3, uint 0, uint 0, ubyte 1, ubyte 0, uint 0)
;;---------------------------------------------------
implementation
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