1*9880d681SAndroid Build Coastguard Worker; RUN: opt -simplifycfg -S < %s | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Workerdeclare { i32, i1 } @llvm.uadd.with.overflow.i32(i32, i32) #1 4*9880d681SAndroid Build Coastguard Worker 5*9880d681SAndroid Build Coastguard Workerdefine i32 @f(i32 %a, i32 %b) #0 { 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker %uadd = tail call { i32, i1 } @llvm.uadd.with.overflow.i32(i32 %a, i32 %b) 8*9880d681SAndroid Build Coastguard Worker %cmp = extractvalue { i32, i1 } %uadd, 1 9*9880d681SAndroid Build Coastguard Worker br i1 %cmp, label %return, label %if.end 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Workerif.end: ; preds = %entry 12*9880d681SAndroid Build Coastguard Worker %0 = extractvalue { i32, i1 } %uadd, 0 13*9880d681SAndroid Build Coastguard Worker br label %return 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerreturn: ; preds = %entry, %if.end 16*9880d681SAndroid Build Coastguard Worker %retval.0 = phi i32 [ %0, %if.end ], [ 0, %entry ] 17*9880d681SAndroid Build Coastguard Worker ret i32 %retval.0 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f( 20*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: phi 21*9880d681SAndroid Build Coastguard Worker; CHECK: select 22*9880d681SAndroid Build Coastguard Worker} 23