1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -disable-output 2*9880d681SAndroid Build Coastguard Worker; PR1780 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Workertarget 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" 5*9880d681SAndroid Build Coastguard Workertarget triple = "i686-pc-linux-gnu" 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker%opaque_t = type opaque 8*9880d681SAndroid Build Coastguard Worker%opaque2 = type opaque 9*9880d681SAndroid Build Coastguard Worker%op_ts = type {%opaque2, i32} 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker@g = external global %opaque_t 12*9880d681SAndroid Build Coastguard Worker@h = external global %op_ts 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine i32 @foo() { 15*9880d681SAndroid Build Coastguard Workerentry: 16*9880d681SAndroid Build Coastguard Worker %x = load i8, i8* bitcast (%opaque_t* @g to i8*) 17*9880d681SAndroid Build Coastguard Worker %y = load i32, i32* bitcast (%op_ts* @h to i32*) 18*9880d681SAndroid Build Coastguard Worker %z = zext i8 %x to i32 19*9880d681SAndroid Build Coastguard Worker %r = add i32 %y, %z 20*9880d681SAndroid Build Coastguard Worker ret i32 %r 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23