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      1 ; RUN: opt < %s -tailcallelim -S | FileCheck %s
      2 
      3 define i32 @f_1(i32 %x) {
      4 ; CHECK-LABEL: @f_1(
      5 wentry:
      6   %cond = icmp ugt i32 %x, 0
      7   br i1 %cond, label %return, label %body
      8 
      9 body:
     10 ; CHECK: body:
     11 ; CHECK: call i32 @f_1(i32 %y) [ "deopt"() ]
     12   %y = add i32 %x, 1
     13   %tmp = call i32 @f_1(i32 %y) [ "deopt"() ]
     14   ret i32 0
     15 
     16 return:
     17   ret i32 1
     18 }
     19 
     20 define i32 @f_2(i32 %x) {
     21 ; CHECK-LABEL: @f_2
     22 
     23 entry:
     24   %cond = icmp ugt i32 %x, 0
     25   br i1 %cond, label %return, label %body
     26 
     27 body:
     28 ; CHECK: body:
     29 ; CHECK: call i32 @f_2(i32 %y) [ "unknown"() ]
     30   %y = add i32 %x, 1
     31   %tmp = call i32 @f_2(i32 %y) [ "unknown"() ]
     32   ret i32 0
     33 
     34 return:
     35   ret i32 1
     36 }
     37 
     38 declare void @func()
     39 
     40 define void @f_3(i1 %B) personality i8 42 {
     41 ; CHECK-LABEL: @f_3(
     42 entry:
     43   invoke void @func()
     44           to label %exit unwind label %merge
     45 merge:
     46   %cs1 = catchswitch within none [label %catch] unwind to caller
     47 
     48 catch:
     49 ; CHECK: catch:
     50 ; CHECK: call void @f_3(i1 %B) [ "funclet"(token %cp) ]
     51   %cp = catchpad within %cs1 []
     52   call void @f_3(i1 %B) [ "funclet"(token %cp) ]
     53   ret void
     54 
     55 exit:
     56   ret void
     57 }
     58