1 ; shell required since the windows bot does not like the "(cd ..."
2 ; REQUIRES: x86-registered-target, shell
4 ; RUN: opt -module-summary -o %t1.o %s
5 ; RUN: opt -module-summary -o %t2.o %S/Inputs/thinlto_backend.ll
6 ; RUN: llvm-lto -thinlto -o %t %t1.o %t2.o
8 ; Ensure clang -cc1 give expected error for incorrect input type
9 ; 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
10 ; CHECK-WARNING: error: invalid argument '-fthinlto-index={{.*}}' only allowed with '-x ir'
12 ; Ensure we get expected error for missing index file
13 ; RUN: %clang -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=bad.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR1
14 ; CHECK-ERROR1: Error loading index file 'bad.thinlto.bc'
16 ; Ensure we ignore empty index file, and run non-ThinLTO compilation which
18 ; RUN: touch %t4.thinlto.bc
19 ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t1.o -c -fthinlto-index=%t4.thinlto.bc
20 ; RUN: llvm-nm %t4.o | FileCheck --check-prefix=CHECK-OBJ-IGNORE-EMPTY %s
21 ; CHECK-OBJ-IGNORE-EMPTY: T f1
22 ; CHECK-OBJ-IGNORE-EMPTY: U f2
24 ; Ensure we don't fail with index and non-ThinLTO object file, and output must
26 ; RUN: opt -o %t5.o %s
27 ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t4.o -x ir %t5.o -c -fthinlto-index=%t.thinlto.bc
28 ; RUN: llvm-nm %t4.o | count 0
30 ; Ensure f2 was imported. Check for all 3 flavors of -save-temps[=cwd|obj].
31 ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=obj
32 ; RUN: llvm-dis %t1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
33 ; RUN: mkdir -p %T/dir1
34 ; RUN: (cd %T/dir1 && %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps=cwd)
35 ; RUN: llvm-dis %T/dir1/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
36 ; RUN: mkdir -p %T/dir2
37 ; RUN: (cd %T/dir2 && %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc -save-temps)
38 ; RUN: llvm-dis %T/dir2/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s
39 ; CHECK-IMPORT: define available_externally void @f2()
40 ; RUN: llvm-nm %t3.o | FileCheck --check-prefix=CHECK-OBJ %s
44 ; Ensure we get expected error for input files without summaries
45 ; RUN: opt -o %t2.o %s
46 ; RUN: %clang -target x86_64-unknown-linux-gnu -O2 -o %t3.o -x ir %t1.o -c -fthinlto-index=%t.thinlto.bc 2>&1 | FileCheck %s -check-prefix=CHECK-ERROR2
47 ; CHECK-ERROR2: Error loading imported file '{{.*}}': Could not find module summary
49 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
50 target triple = "x86_64-unknown-linux-gnu"
57 ; Make sure that the backend can handle undefined references.
58 ; Do an indirect call so that the undefined ref shows up in the combined index.
59 call void bitcast (i8*()* @f3 to void()*)()