1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instcombine -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-pc-windows-msvc" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker%class.A = type { i32 (...)** } 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Worker@0 = constant [1 x i8*] zeroinitializer 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker@vtbl = alias i8*, getelementptr inbounds ([1 x i8*], [1 x i8*]* @0, i32 0, i32 0) 11*9880d681SAndroid Build Coastguard Worker 12*9880d681SAndroid Build Coastguard Workerdefine i32 (%class.A*)* @test() { 13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test 14*9880d681SAndroid Build Coastguard Workerentry: 15*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.body, label %for.end 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerfor.body: ; preds = %for.body, %entry 18*9880d681SAndroid Build Coastguard Worker br i1 undef, label %for.body, label %for.end 19*9880d681SAndroid Build Coastguard Worker 20*9880d681SAndroid Build Coastguard Workerfor.end: ; preds = %for.body, %entry 21*9880d681SAndroid Build Coastguard Worker %A = phi i32 (%class.A*)** [ bitcast (i8** @vtbl to i32 (%class.A*)**), %for.body ], [ null, %entry ] 22*9880d681SAndroid Build Coastguard Worker %B = load i32 (%class.A*)*, i32 (%class.A*)** %A 23*9880d681SAndroid Build Coastguard Worker ret i32 (%class.A*)* %B 24*9880d681SAndroid Build Coastguard Worker} 25