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      1 ; RUN: opt -S -inferattrs -basicaa -licm < %s | FileCheck %s
      2 
      3 define void @test(i64* noalias %loc, i8* noalias %a) {
      4 ; CHECK-LABEL: @test
      5 ; CHECK: @strlen
      6 ; CHECK-LABEL: loop:
      7   br label %loop
      8 
      9 loop:
     10   %res = call i64 @strlen(i8* %a)
     11   store i64 %res, i64* %loc
     12   br label %loop
     13 }
     14 
     15 ; CHECK: declare i64 @strlen(i8* nocapture) #0
     16 ; CHECK: attributes #0 = { argmemonly nounwind readonly }
     17 declare i64 @strlen(i8*)
     18 
     19 
     20