1; RUN: opt < %s -inline -S | grep nounwind 2; RUN: opt < %s -inline -S | grep unreachable 3 4declare i1 @extern() 5 6define internal i32 @test() { 7entry: 8 %n = call i1 @extern( ) 9 br i1 %n, label %r, label %u 10r: 11 ret i32 0 12u: 13 unreachable 14} 15 16define i32 @caller() { 17 %X = call i32 @test( ) nounwind 18 ret i32 %X 19} 20