llvm-6502/test/CodeGen/X86/GC/badwriteproto.ll
2010-03-14 18:51:18 +00:00

23 lines
654 B
LLVM

; RUN: not llvm-as < %s >& /dev/null
%list = type { i32, %list* }
; This usage is invalid now; instead, objects must be bitcast to i8* for input
; to the gc intrinsics.
declare void @llvm.gcwrite(%list*, %list*, %list**)
define %list* @cons(i32 %hd, %list* %tl) gc "example" {
%tmp = call i8* @gcalloc(i32 bitcast(%list* getelementptr(%list* null, i32 1) to i32))
%cell = bitcast i8* %tmp to %list*
%hd.ptr = getelementptr %list* %cell, i32 0, i32 0
store i32 %hd, i32* %hd.ptr
%tl.ptr = getelementptr %list* %cell, i32 0, i32 0
call void @llvm.gcwrite(%list* %tl, %list* %cell, %list** %tl.ptr)
ret %cell.2
}
declare i8* @gcalloc(i32)