|  | ; RUN:  llc < %s -mtriple=i686-pc-linux-gnu | 
|  | ; PR 1779 | 
|  | ; Using 'A' constraint and a tied constraint together used to crash. | 
|  | ; ModuleID = '<stdin>' | 
|  | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" | 
|  | target triple = "i686-pc-linux-gnu" | 
|  | %struct.linux_dirent64 = type { i64, i64, i16, i8, [0 x i8] } | 
|  |  | 
|  | define i32 @sys_getdents64(i32 %fd, %struct.linux_dirent64* %dirent, i32 %count) { | 
|  | entry: | 
|  | br i1 true, label %cond_next29, label %UnifiedReturnBlock | 
|  |  | 
|  | cond_next29:		; preds = %entry | 
|  | %tmp83 = call i32 asm sideeffect "1:\09movl %eax,0($2)\0A2:\09movl %edx,4($2)\0A3:\0A.section .fixup,\22ax\22\0A4:\09movl $3,$0\0A\09jmp 3b\0A.previous\0A .section __ex_table,\22a\22\0A .balign 4 \0A .long 1b,4b\0A .previous\0A .section __ex_table,\22a\22\0A .balign 4 \0A .long 2b,4b\0A .previous\0A", "=r,A,r,i,0,~{dirflag},~{fpsr},~{flags}"(i64 0, i64* null, i32 -14, i32 0) nounwind		; <i32> [#uses=0] | 
|  | br label %UnifiedReturnBlock | 
|  |  | 
|  | UnifiedReturnBlock:		; preds = %entry | 
|  | ret i32 -14 | 
|  | } |