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1; RUN: llvm-as < %s | llvm-dis > %t1.ll2; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll3; RUN: diff %t1.ll %t2.ll4 5; This testcase is for testing expressions constructed from6; constant values, including constant pointers to globals.7;8 9;;-------------------------------10;; Test constant cast expressions11;;-------------------------------12 13@0 = global i64 u0x00001 ; hexadecimal unsigned integer constants14@1 = global i64 s0x0012312 ; hexadecimal signed integer constants15 16@t2 = global i32* @t1 ;; Forward reference without cast17@t3 = global i32* bitcast (i32* @t1 to i32*) ;; Forward reference with cast18@t1 = global i32 4 ;; i32* @019@t4 = global i32** bitcast (i32** @t3 to i32**) ;; Cast of a previous cast20@t5 = global i32** @t3 ;; Reference to a previous cast21@t6 = global i32*** @t4 ;; Different ref. to a previous cast22@t7 = global float* inttoptr (i32 12345678 to float*) ;; Cast ordinary value to ptr23@t9 = global i32 bitcast (float bitcast (i32 8 to float) to i32) ;; Nested cast expression24 25@2 = global i32* bitcast (float* @4 to i32*) ;; Forward numeric reference26@3 = global float* @4 ;; Duplicate forward numeric reference27@4 = global float 0.028 29 30;;---------------------------------------------------31;; Test constant getelementpr expressions for arrays32;;---------------------------------------------------33 34@array = constant [2 x i32] [ i32 12, i32 52 ]35@arrayPtr = global i32* getelementptr ([2 x i32], [2 x i32]* @array, i64 0, i64 0) ;; i32* &@array[0][0]36@arrayPtr5 = global i32** getelementptr (i32*, i32** @arrayPtr, i64 5) ;; i32* &@arrayPtr[5]37 38@somestr = constant [11x i8] c"hello world"39@char5 = global i8* getelementptr([11x i8], [11x i8]* @somestr, i64 0, i64 5)40 41;; cast of getelementptr42@char8a = global i32* bitcast (i8* getelementptr([11x i8], [11x i8]* @somestr, i64 0, i64 8) to i32*)43 44;; getelementptr containing casts45@char8b = global i8* getelementptr([11x i8], [11x i8]* @somestr, i64 trunc (i128 0 to i64), i64 trunc (i128 8 to i64))46 47;;-------------------------------------------------------48;; TODO: Test constant getelementpr expressions for structures49;;-------------------------------------------------------50 51%SType = type { i32 , {float, {i8} }, i64 } ;; struct containing struct52%SAType = type { i32 , {[2x float], i64} } ;; struct containing array53 54@S1 = global %SType* null ;; Global initialized to NULL55@S2c = constant %SType { i32 1, {float,{i8}} {float 2.0, {i8} {i8 3}}, i64 4}56 57@S3c = constant %SAType { i32 1, {[2x float], i64} {[2x float] [float 2.0, float 3.0], i64 4} }58 59@S1ptr = global %SType** @S1 ;; Ref. to global S160@S2 = global %SType* @S2c ;; Ref. to constant S261@S3 = global %SAType* @S3c ;; Ref. to constant S362 63 ;; Pointer to float (**@S1).1.064@S1fld1a = global float* getelementptr (%SType, %SType* @S2c, i64 0, i32 1, i32 0)65 ;; Another ptr to the same!66@S1fld1b = global float* getelementptr (%SType, %SType* @S2c, i64 0, i32 1, i32 0)67 68@S1fld1bptr = global float** @S1fld1b ;; Ref. to previous pointer69 70 ;; Pointer to i8 (**@S2).1.1.071@S2fld3 = global i8* getelementptr (%SType, %SType* @S2c, i64 0, i32 1, i32 1, i32 0) 72 73 ;; Pointer to float (**@S2).1.0[0]74;@S3fld3 = global float* getelementptr (%SAType*, %SAType** @S3, i64 0, i64 0, i32 1, i32 0, i64 0) 75 76;;---------------------------------------------------------77;; TODO: Test constant expressions for unary and binary operators78;;---------------------------------------------------------79 80;;---------------------------------------------------81