1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -indvars -adce -simplifycfg -S | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; PR1598 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker; CHECK: icmp s 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine i32 @f(i32 %a, i32 %b, i32 %x, i32 %y) { 7*9880d681SAndroid Build Coastguard Workerentry: 8*9880d681SAndroid Build Coastguard Worker %tmp3 = icmp eq i32 %a, %b ; <i1> [#uses=1] 9*9880d681SAndroid Build Coastguard Worker br i1 %tmp3, label %return, label %bb 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerbb: ; preds = %bb, %entry 12*9880d681SAndroid Build Coastguard Worker %x_addr.0 = phi i32 [ %tmp6, %bb ], [ %x, %entry ] ; <i32> [#uses=1] 13*9880d681SAndroid Build Coastguard Worker %tmp6 = add i32 %x_addr.0, 1 ; <i32> [#uses=3] 14*9880d681SAndroid Build Coastguard Worker %tmp9 = icmp slt i32 %tmp6, %y ; <i1> [#uses=1] 15*9880d681SAndroid Build Coastguard Worker br i1 %tmp9, label %bb, label %return 16*9880d681SAndroid Build Coastguard Worker 17*9880d681SAndroid Build Coastguard Workerreturn: ; preds = %bb, %entry 18*9880d681SAndroid Build Coastguard Worker %x_addr.1 = phi i32 [ %x, %entry ], [ %tmp6, %bb ] ; <i32> [#uses=1] 19*9880d681SAndroid Build Coastguard Worker ret i32 %x_addr.1 20*9880d681SAndroid Build Coastguard Worker} 21