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      1 ; REQUIRES: x86-registered-target
      2 
      3 ; RUN: opt -module-summary -o %t1.o %s
      4 ; RUN: opt -module-summary -o %t2.o %S/Inputs/thinlto_backend.ll
      5 ; RUN: llvm-lto -thinlto -o %t %t1.o %t2.o
      6 
      7 ; Ensure clang -cc1 give expected error for incorrect input type
      8 ; RUN: not %clang_cc1 -O2 -o %t1.o -x c %s -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-WARNING
      9 ; CHECK-WARNING: error: invalid argument '-fthinlto-index={{.*}}' only allowed with '-x ir'
     10 
     11 ; Ensure we get expected error for missing index file
     12 ; RUN: %clang -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=bad.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR
     13 ; CHECK-ERROR: Error loading index file 'bad.thinlto.bc'
     14 
     15 ; Ensure f2 was imported
     16 ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc
     17 ; RUN: llvm-nm %t3.o | FileCheck --check-prefix=CHECK-OBJ %s
     18 ; CHECK-OBJ: T f1
     19 ; CHECK-OBJ-NOT: U f2
     20 
     21 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
     22 target triple = "x86_64-unknown-linux-gnu"
     23 
     24 declare void @f2()
     25 
     26 define void @f1() {
     27   call void @f2()
     28   ret void
     29 }
     30