1; In this testcase, the bytecode reader or writer is not correctly handling the 2; ConstExpr reference. Disassembling this program assembled yields invalid 3; assembly (because there are placeholders still around), which the assembler 4; dies on. 5 6; There are two things that need to be fixed here. Obviously assembling and 7; disassembling this would be good, but in addition to that, the bytecode 8; reader should NEVER produce a program "successfully" with placeholders still 9; around! 10; 11; RUN: llvm-as < %s | llvm-dis | llvm-as 12 13@.LC0 = internal global [4 x i8] c"foo\00" ; <[4 x i8]*> [#uses=1] 14@X = global i8* null ; <i8**> [#uses=0] 15 16declare i32 @puts(i8*) 17 18define void @main() { 19bb1: 20 %reg211 = call i32 @puts( i8* getelementptr ([4 x i8]* @.LC0, i64 0, i64 0) ) ; <i32> [#uses=0] 21 ret void 22} 23