| ;RUN:  not llc -mtriple=arm-linux-gnueabihf < %s 2>&1 | FileCheck %s | 
 |  | 
 | ; ModuleID = 'bug.c' | 
 | target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32-S64" | 
 | target triple = "armv7--" | 
 |  | 
 | %struct.uint8x8x4_t = type { [4 x <8 x i8>] } | 
 |  | 
 | define void @foo() #0 { | 
 |   %vsrc = alloca %struct.uint8x8x4_t, align 8 | 
 |   %ptr = alloca i8; | 
 |   %1 = call i8* asm sideeffect "vld4.u8 ${0:h}, [$1], $2", "=*w,=r,r,1"(%struct.uint8x8x4_t* %vsrc, i32 0, i8* %ptr) | 
 |   ret void | 
 | } | 
 |  | 
 | ; CHECK: error: couldn't allocate output register for constraint 'w' |