| 1 | ; shell required since the windows bot does not like the "(cd ..." |
|---|
| 2 | ; REQUIRES: x86-registered-target, shell |
|---|
| 3 | |
|---|
| 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 |
|---|
| 7 | |
|---|
| 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' |
|---|
| 11 | |
|---|
| 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' |
|---|
| 15 | |
|---|
| 16 | ; Ensure we ignore empty index file, and run non-ThinLTO compilation which |
|---|
| 17 | ; would not import f2 |
|---|
| 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 |
|---|
| 23 | |
|---|
| 24 | ; Ensure we don't fail with index and non-ThinLTO object file, and output must |
|---|
| 25 | ; be empty file. |
|---|
| 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 2>&1 | FileCheck %s -check-prefix=NO-SYMBOLS |
|---|
| 29 | ; NO-SYMBOLS: no symbols |
|---|
| 30 | |
|---|
| 31 | ; Ensure f2 was imported. Check for all 3 flavors of -save-temps[=cwd|obj]. |
|---|
| 32 | ; 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 |
|---|
| 33 | ; RUN: llvm-dis %t1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s |
|---|
| 34 | ; RUN: mkdir -p %T/dir1 |
|---|
| 35 | ; 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) |
|---|
| 36 | ; RUN: llvm-dis %T/dir1/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s |
|---|
| 37 | ; RUN: mkdir -p %T/dir2 |
|---|
| 38 | ; 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) |
|---|
| 39 | ; RUN: llvm-dis %T/dir2/*1.s.3.import.bc -o - | FileCheck --check-prefix=CHECK-IMPORT %s |
|---|
| 40 | ; CHECK-IMPORT: define available_externally void @f2() |
|---|
| 41 | ; RUN: llvm-nm %t3.o | FileCheck --check-prefix=CHECK-OBJ %s |
|---|
| 42 | ; CHECK-OBJ: T f1 |
|---|
| 43 | ; CHECK-OBJ-NOT: U f2 |
|---|
| 44 | |
|---|
| 45 | ; Ensure we get expected error for input files without summaries |
|---|
| 46 | ; RUN: opt -o %t2.o %s |
|---|
| 47 | ; 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 |
|---|
| 48 | ; CHECK-ERROR2: Error loading imported file '{{.*}}': Could not find module summary |
|---|
| 49 | |
|---|
| 50 | target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
|---|
| 51 | target triple = "x86_64-unknown-linux-gnu" |
|---|
| 52 | |
|---|
| 53 | declare void @f2() |
|---|
| 54 | declare i8* @f3() |
|---|
| 55 | |
|---|
| 56 | define void @f1() { |
|---|
| 57 | call void @f2() |
|---|
| 58 | ; Make sure that the backend can handle undefined references. |
|---|
| 59 | ; Do an indirect call so that the undefined ref shows up in the combined index. |
|---|
| 60 | call void bitcast (i8*()* @f3 to void()*)() |
|---|
| 61 | ret void |
|---|
| 62 | } |
|---|
| 63 | |
|---|