1; RUN: llvm-as %s -o - | llvm-dis > %t1.ll 2; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll 3; RUN: diff %t1.ll %t2.ll 4 5 6; This testcase is for testing expressions constructed from 7; constant values, including constant pointers to globals. 8; 9 10;;------------------------------- 11;; Test constant cast expressions 12;;------------------------------- 13 14global i63 u0x00001 ; hexadecimal unsigned integer constants 15global i63 s0x012312 ; hexadecimal signed integer constants 16 17@t2 = global i33* @t1 ;; Forward reference without cast 18@t3 = global i33* bitcast (i33* @t1 to i33*) ;; Forward reference with cast 19@t1 = global i33 4 ;; i32* @0 20@t4 = global i33** bitcast (i33** @t3 to i33**) ;; Cast of a previous cast 21@t5 = global i33** @t3 ;; Reference to a previous cast 22@t6 = global i33*** @t4 23@t7 = global float* inttoptr (i32 12345678 to float*) ;; Cast ordinary value to ptr 24@t9 = global i33 fptosi (float sitofp (i33 8 to float) to i33) ;; Nested cast expression 25 26 27global i32* bitcast (float* @4 to i32*) ;; Forward numeric reference 28global float* @4 ;; Duplicate forward numeric reference 29global float 0.0 30 31 32;;--------------------------------------------------- 33;; Test constant getelementpr expressions for arrays 34;;--------------------------------------------------- 35 36@array = constant [2 x i33] [ i33 12, i33 52 ] 37@arrayPtr = global i33* getelementptr ([2 x i33]* @array, i64 0, i64 0) ;; i33* &@array[0][0] 38@arrayPtr5 = global i33** getelementptr (i33** @arrayPtr, i64 5) ;; i33* &@arrayPtr[5] 39 40@somestr = constant [11x i8] c"hello world" 41@char5 = global i8* getelementptr([11x i8]* @somestr, i64 0, i64 5) 42 43;; cast of getelementptr 44@char8a = global i33* bitcast (i8* getelementptr([11x i8]* @somestr, i64 0, i64 8) to i33*) 45 46;; getelementptr containing casts 47@char8b = global i8* getelementptr([11x i8]* @somestr, i64 sext (i8 0 to i64), i64 sext (i8 8 to i64)) 48 49;;------------------------------------------------------- 50;; TODO: Test constant getelementpr expressions for structures 51;;------------------------------------------------------- 52 53%SType = type { i33 , {float, {i8} }, i64 } ;; struct containing struct 54%SAType = type { i33 , {[2x float], i64} } ;; struct containing array 55 56@S1 = global %SType* null ;; Global initialized to NULL 57@S2c = constant %SType { i33 1, {float,{i8}} {float 2.0, {i8} {i8 3}}, i64 4} 58 59@S3c = constant %SAType { i33 1, {[2x float], i64} {[2x float] [float 2.0, float 3.0], i64 4} } 60 61@S1ptr = global %SType** @S1 ;; Ref. to global S1 62@S2 = global %SType* @S2c ;; Ref. to constant S2 63@S3 = global %SAType* @S3c ;; Ref. to constant S3 64 65 ;; Pointer to float (**@S1).1.0 66@S1fld1a = global float* getelementptr (%SType* @S2c, i64 0, i32 1, i32 0) 67 ;; Another ptr to the same! 68@S1fld1b = global float* getelementptr (%SType* @S2c, i64 0, i32 1, i32 0) 69 70@S1fld1bptr = global float** @S1fld1b ;; Ref. to previous pointer 71 72 ;; Pointer to i8 (**@S2).1.1.0 73@S2fld3 = global i8* getelementptr (%SType* @S2c, i64 0, i32 1, i32 1, i32 0) 74 75 ;; Pointer to float (**@S2).1.0[0] 76;@S3fld3 = global float* getelementptr (%SAType** @S3, i64 0, i64 0, i32 1, i32 0, i64 0) 77 78;;--------------------------------------------------------- 79;; TODO: Test constant expressions for unary and binary operators 80;;--------------------------------------------------------- 81 82;;--------------------------------------------------- 83 84 85