1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-reduce | llvm-dis 2*9880d681SAndroid Build Coastguard Worker; PR3399 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@g_53 = external global i32 ; <i32*> [#uses=1] 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine i32 @foo() nounwind { 7*9880d681SAndroid Build Coastguard Workerbb5.thread: 8*9880d681SAndroid Build Coastguard Worker br label %bb 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Workerbb: ; preds = %bb5, %bb5.thread 11*9880d681SAndroid Build Coastguard Worker %indvar = phi i32 [ 0, %bb5.thread ], [ %indvar.next, %bb5 ] ; <i32> [#uses=2] 12*9880d681SAndroid Build Coastguard Worker br i1 false, label %bb5, label %bb1 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerbb1: ; preds = %bb 15*9880d681SAndroid Build Coastguard Worker %l_2.0.reg2mem.0 = sub i32 0, %indvar ; <i32> [#uses=1] 16*9880d681SAndroid Build Coastguard Worker %0 = load volatile i32, i32* @g_53, align 4 ; <i32> [#uses=1] 17*9880d681SAndroid Build Coastguard Worker %1 = trunc i32 %l_2.0.reg2mem.0 to i16 ; <i16> [#uses=1] 18*9880d681SAndroid Build Coastguard Worker %2 = trunc i32 %0 to i16 ; <i16> [#uses=1] 19*9880d681SAndroid Build Coastguard Worker %3 = mul i16 %2, %1 ; <i16> [#uses=1] 20*9880d681SAndroid Build Coastguard Worker %4 = icmp eq i16 %3, 0 ; <i1> [#uses=1] 21*9880d681SAndroid Build Coastguard Worker br i1 %4, label %bb7, label %bb2 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Workerbb2: ; preds = %bb2, %bb1 24*9880d681SAndroid Build Coastguard Worker br label %bb2 25*9880d681SAndroid Build Coastguard Worker 26*9880d681SAndroid Build Coastguard Workerbb5: ; preds = %bb 27*9880d681SAndroid Build Coastguard Worker %indvar.next = add i32 %indvar, 1 ; <i32> [#uses=1] 28*9880d681SAndroid Build Coastguard Worker br label %bb 29*9880d681SAndroid Build Coastguard Worker 30*9880d681SAndroid Build Coastguard Workerbb7: ; preds = %bb1 31*9880d681SAndroid Build Coastguard Worker ret i32 1 32*9880d681SAndroid Build Coastguard Worker} 33