| ; RUN: llvm-as < %s | 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 |
| ;;------------------------------- |
| |
| @0 = global i64 u0x00001 ; hexadecimal unsigned integer constants |
| @1 = global i64 s0x0012312 ; hexadecimal signed integer constants |
| |
| @t2 = global i32* @t1 ;; Forward reference without cast |
| @t3 = global i32* bitcast (i32* @t1 to i32*) ;; Forward reference with cast |
| @t1 = global i32 4 ;; i32* @0 |
| @t4 = global i32** bitcast (i32** @t3 to i32**) ;; Cast of a previous cast |
| @t5 = global i32** @t3 ;; Reference to a previous cast |
| @t6 = global i32*** @t4 ;; Different ref. to a previous cast |
| @t7 = global float* inttoptr (i32 12345678 to float*) ;; Cast ordinary value to ptr |
| @t9 = global i32 bitcast (float bitcast (i32 8 to float) to i32) ;; Nested cast expression |
| |
| @2 = global i32* bitcast (float* @4 to i32*) ;; Forward numeric reference |
| @3 = global float* @4 ;; Duplicate forward numeric reference |
| @4 = global float 0.0 |
| |
| |
| ;;--------------------------------------------------- |
| ;; Test constant getelementpr expressions for arrays |
| ;;--------------------------------------------------- |
| |
| @array = constant [2 x i32] [ i32 12, i32 52 ] |
| @arrayPtr = global i32* getelementptr ([2 x i32], [2 x i32]* @array, i64 0, i64 0) ;; i32* &@array[0][0] |
| @arrayPtr5 = global i32** getelementptr (i32*, i32** @arrayPtr, i64 5) ;; i32* &@arrayPtr[5] |
| |
| @somestr = constant [11x i8] c"hello world" |
| @char5 = global i8* getelementptr([11x i8], [11x i8]* @somestr, i64 0, i64 5) |
| |
| ;; cast of getelementptr |
| @char8a = global i32* bitcast (i8* getelementptr([11x i8], [11x i8]* @somestr, i64 0, i64 8) to i32*) |
| |
| ;; getelementptr containing casts |
| @char8b = global i8* getelementptr([11x i8], [11x i8]* @somestr, i64 trunc (i128 0 to i64), i64 trunc (i128 8 to i64)) |
| |
| ;;------------------------------------------------------- |
| ;; TODO: Test constant getelementpr expressions for structures |
| ;;------------------------------------------------------- |
| |
| %SType = type { i32 , {float, {i8} }, i64 } ;; struct containing struct |
| %SAType = type { i32 , {[2x float], i64} } ;; struct containing array |
| |
| @S1 = global %SType* null ;; Global initialized to NULL |
| @S2c = constant %SType { i32 1, {float,{i8}} {float 2.0, {i8} {i8 3}}, i64 4} |
| |
| @S3c = constant %SAType { i32 1, {[2x float], i64} {[2x float] [float 2.0, float 3.0], i64 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, %SType* @S2c, i64 0, i32 1, i32 0) |
| ;; Another ptr to the same! |
| @S1fld1b = global float* getelementptr (%SType, %SType* @S2c, i64 0, i32 1, i32 0) |
| |
| @S1fld1bptr = global float** @S1fld1b ;; Ref. to previous pointer |
| |
| ;; Pointer to i8 (**@S2).1.1.0 |
| @S2fld3 = global i8* getelementptr (%SType, %SType* @S2c, i64 0, i32 1, i32 1, i32 0) |
| |
| ;; Pointer to float (**@S2).1.0[0] |
| ;@S3fld3 = global float* getelementptr (%SAType*, %SAType** @S3, i64 0, i64 0, i32 1, i32 0, i64 0) |
| |
| ;;--------------------------------------------------------- |
| ;; TODO: Test constant expressions for unary and binary operators |
| ;;--------------------------------------------------------- |
| |
| ;;--------------------------------------------------- |