1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=arm -mtriple="thumbv7-apple-ios3.0.0" | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32" 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Worker%struct.eggs = type { %struct.spam, i16 } 6*9880d681SAndroid Build Coastguard Worker%struct.spam = type { [3 x i32] } 7*9880d681SAndroid Build Coastguard Worker%struct.barney = type { [2 x i32], [2 x i32] } 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; Make sure that the sext op does not get lost due to computeKnownBits. 10*9880d681SAndroid Build Coastguard Worker; CHECK: quux 11*9880d681SAndroid Build Coastguard Worker; CHECK: lsl 12*9880d681SAndroid Build Coastguard Worker; CHECK: asr 13*9880d681SAndroid Build Coastguard Worker; CHECK: bl 14*9880d681SAndroid Build Coastguard Worker; CHECK: pop 15*9880d681SAndroid Build Coastguard Workerdefine void @quux(%struct.eggs* %arg) { 16*9880d681SAndroid Build Coastguard Workerbb: 17*9880d681SAndroid Build Coastguard Worker %tmp1 = getelementptr inbounds %struct.eggs, %struct.eggs* %arg, i32 0, i32 1 18*9880d681SAndroid Build Coastguard Worker %0 = load i16, i16* %tmp1, align 2 19*9880d681SAndroid Build Coastguard Worker %tobool = icmp eq i16 %0, 0 20*9880d681SAndroid Build Coastguard Worker br i1 %tobool, label %bb16, label %bb3 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerbb3: ; preds = %bb 23*9880d681SAndroid Build Coastguard Worker %tmp4 = bitcast i16* %tmp1 to i8* 24*9880d681SAndroid Build Coastguard Worker %tmp5 = ptrtoint i16* %tmp1 to i32 25*9880d681SAndroid Build Coastguard Worker %tmp6 = shl i32 %tmp5, 20 26*9880d681SAndroid Build Coastguard Worker %tmp7 = ashr exact i32 %tmp6, 20 27*9880d681SAndroid Build Coastguard Worker %tmp14 = getelementptr inbounds %struct.barney, %struct.barney* undef, i32 %tmp7 28*9880d681SAndroid Build Coastguard Worker %tmp15 = tail call i32 @widget(%struct.barney* %tmp14, i8* %tmp4, i32 %tmp7) 29*9880d681SAndroid Build Coastguard Worker br label %bb16 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerbb16: ; preds = %bb3, %bb 32*9880d681SAndroid Build Coastguard Worker ret void 33*9880d681SAndroid Build Coastguard Worker} 34*9880d681SAndroid Build Coastguard Worker 35*9880d681SAndroid Build Coastguard Workerdeclare i32 @widget(%struct.barney*, i8*, i32) 36