1; This test checks to make sure that constant exprs fold in some simple situations 2 3; RUN: llvm-as < %s | llvm-dis | not grep cast 4 5@A = global i32* bitcast (i8* null to i32*) ; Cast null -> fold 6@B = global i32** bitcast (i32** @A to i32**) ; Cast to same type -> fold 7@C = global i32 trunc (i64 42 to i32) ; Integral casts 8@D = global i32* bitcast(float* bitcast (i32* @C to float*) to i32*) ; cast of cast ptr->ptr 9@E = global i32 ptrtoint(float* inttoptr (i8 5 to float*) to i32) ; i32 -> ptr -> i32 10 11; Test folding of binary instrs 12@F = global i32* inttoptr (i32 add (i32 5, i32 -5) to i32*) 13@G = global i32* inttoptr (i32 sub (i32 5, i32 5) to i32*) 14 15