1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s 2*9880d681SAndroid Build Coastguard Worker; PR1763 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-unknown-linux-gnu" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine void @yield() { 7*9880d681SAndroid Build Coastguard Worker %tmp9 = call i64 asm sideeffect "xchgb ${0:b},$1", "=q,*m,0,~{dirflag},~{fpsr},~{flags},~{memory}"( i64* null, i64 0 ) ; <i64> 8*9880d681SAndroid Build Coastguard Worker ret void 9*9880d681SAndroid Build Coastguard Worker} 10