mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
96 lines
4.0 KiB
LLVM
96 lines
4.0 KiB
LLVM
; RUN: llvm-as %s -o - | llvm-dis > %t1.ll
|
|
; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
|
|
; RUN: diff %t1.ll %t2.ll
|
|
|
|
; This testcase is for testing expressions constructed from
|
|
; constant values, including constant pointers to globals.
|
|
;
|
|
|
|
;;-------------------------------
|
|
;; Test constant cast expressions
|
|
;;-------------------------------
|
|
|
|
global ulong u0x00001 ; hexadecimal unsigned integer constants
|
|
global long s0x0012312 ; hexadecimal signed integer constants
|
|
|
|
%t2 = global int* %t1 ;; Forward reference without cast
|
|
%t3 = global uint* cast (int* %t1 to uint*) ;; Forward reference with cast
|
|
%t1 = global int 4 ;; int* %0
|
|
%t4 = global int** cast (uint** %t3 to int**) ;; 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 to float*) ;; Cast ordinary value to ptr
|
|
%t9 = global int cast (float cast (int 8 to float) to int) ;; Nested cast expression
|
|
|
|
global int* cast (float* %0 to int*) ;; 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, long 0, long 0) ;; int* &%array[0][0]
|
|
%arrayPtr5 = global int** getelementptr (int** %arrayPtr, long 5) ;; int* &%arrayPtr[5]
|
|
|
|
%somestr = constant [11x sbyte] c"hello world"
|
|
%char5 = global sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 5)
|
|
|
|
;; cast of getelementptr
|
|
%char8a = global int* cast (sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 8) to int*)
|
|
|
|
;; getelementptr containing casts
|
|
%char8b = global sbyte* getelementptr([11x sbyte]* %somestr, long cast (ubyte 0 to long), long cast (sbyte 8 to long))
|
|
|
|
;;-------------------------------------------------------
|
|
;; 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* %S2c, long 0, ubyte 1, ubyte 0)
|
|
;; Another ptr to the same!
|
|
%S1fld1b = global float* getelementptr (%SType* %S2c, long 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* %S2c, long 0, ubyte 1, ubyte 1, ubyte 0)
|
|
|
|
;; Pointer to float (**%S2).1.0[0]
|
|
;%S3fld3 = global float* getelementptr (%SAType** %S3, long 0, long 0, ubyte 1, ubyte 0, long 0)
|
|
|
|
;;---------------------------------------------------------
|
|
;; TODO: Test constant expressions for unary and binary operators
|
|
;;---------------------------------------------------------
|
|
|
|
|
|
;;---------------------------------------------------
|
|
;; Test duplicate constant expressions
|
|
;;---------------------------------------------------
|
|
|
|
%t4 = global int** cast (uint** %t3 to int**)
|
|
|
|
%char8a = global int* cast (sbyte* getelementptr([11x sbyte]* %somestr, long 0, long 8) to int*)
|
|
|
|
;%S3fld3 = global float* getelementptr (%SAType** %S3, long 0, long 0, ubyte 1, ubyte 0, long 0)
|
|
|
|
|
|
;;---------------------------------------------------
|
|
|
|
implementation
|
|
|