/
lto.c
87 lines (78 loc) · 4.69 KB
/
lto.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
// -flto causes a switch to llvm-bc object files.
// RUN: %clang -ccc-print-phases -c %s -flto 2> %t
// RUN: FileCheck -check-prefix=CHECK-COMPILE-ACTIONS < %t %s
//
// CHECK-COMPILE-ACTIONS: 2: compiler, {1}, ir
// CHECK-COMPILE-ACTIONS: 3: backend, {2}, lto-bc
// RUN: %clang -ccc-print-phases %s -flto 2> %t
// RUN: FileCheck -check-prefix=CHECK-COMPILELINK-ACTIONS < %t %s
//
// CHECK-COMPILELINK-ACTIONS: 0: input, "{{.*}}lto.c", c
// CHECK-COMPILELINK-ACTIONS: 1: preprocessor, {0}, cpp-output
// CHECK-COMPILELINK-ACTIONS: 2: compiler, {1}, ir
// CHECK-COMPILELINK-ACTIONS: 3: backend, {2}, lto-bc
// CHECK-COMPILELINK-ACTIONS: 4: linker, {3}, image
// llvm-bc and llvm-ll outputs need to match regular suffixes
// (unfortunately).
// RUN: %clang %s -flto -save-temps -### 2> %t
// RUN: FileCheck -check-prefix=CHECK-COMPILELINK-SUFFIXES < %t %s
//
// CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.i" "-x" "c" "{{.*}}lto.c"
// CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.bc" {{.*}}"{{.*}}lto.i"
// CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.o" {{.*}}"{{.*}}lto.bc"
// CHECK-COMPILELINK-SUFFIXES: "{{.*}}a.{{(out|exe)}}" {{.*}}"{{.*}}lto.o"
// RUN: %clang %s -flto -S -### 2> %t
// RUN: FileCheck -check-prefix=CHECK-COMPILE-SUFFIXES < %t %s
//
// CHECK-COMPILE-SUFFIXES: "-o" "{{.*}}lto.s" "-x" "c" "{{.*}}lto.c"
// RUN: not %clang %s -emit-llvm 2>&1 | FileCheck --check-prefix=LLVM-LINK %s
// LLVM-LINK: -emit-llvm cannot be used when linking
/// With ld.bfd or gold, link against LLVMgold.
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=bfd -flto=thin -### 2>&1 | FileCheck --check-prefix=LLVMGOLD %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=gold -flto=full -### 2>&1 | FileCheck --check-prefix=LLVMGOLD %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=gold -fno-lto -flto -### 2>&1 | FileCheck --check-prefix=LLVMGOLD %s
// LLVMGOLD: "-plugin" "{{.*}}{{[/\\]}}LLVMgold.{{dll|dylib|so}}"
/// lld does not need LLVMgold.
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -### 2>&1 | FileCheck --check-prefix=NO-LLVMGOLD %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=gold -flto -fno-lto -### 2>&1 | FileCheck --check-prefix=NO-LLVMGOLD %s
// NO-LLVMGOLD-NOT: "-plugin" "{{.*}}{{[/\\]}}LLVMgold.{{dll|dylib|so}}"
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -O -### 2>&1 | FileCheck --check-prefix=O1 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -O1 -### 2>&1 | FileCheck --check-prefix=O1 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -Og -### 2>&1 | FileCheck --check-prefix=O1 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -O2 -### 2>&1 | FileCheck --check-prefix=O2 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -Os -### 2>&1 | FileCheck --check-prefix=O2 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -Oz -### 2>&1 | FileCheck --check-prefix=O2 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -O3 -### 2>&1 | FileCheck --check-prefix=O3 %s
// RUN: %clang -target x86_64-unknown-linux-gnu --sysroot %S/Inputs/basic_cross_linux_tree %s \
// RUN: -fuse-ld=lld -flto -Ofast -### 2>&1 | FileCheck --check-prefix=O3 %s
// O1: -plugin-opt=O1
// O2: -plugin-opt=O2
// O3: -plugin-opt=O3
// -flto passes along an explicit debugger tuning argument.
// RUN: %clang -target x86_64-unknown-linux -### %s -flto -glldb 2> %t
// RUN: FileCheck -check-prefix=CHECK-TUNING-LLDB < %t %s
// RUN: %clang -target x86_64-unknown-linux -### %s -flto -g 2> %t
// RUN: FileCheck -check-prefix=CHECK-NO-TUNING < %t %s
//
// CHECK-TUNING-LLDB: "-plugin-opt=-debugger-tune=lldb"
// CHECK-NO-TUNING-NOT: "-plugin-opt=-debugger-tune
//
// -flto=auto and -flto=jobserver pass along -flto=full
// RUN: %clang -target x86_64-unknown-linux -### %s -flto=auto 2>&1 | FileCheck --check-prefix=FLTO-AUTO %s
// RUN: %clang -target x86_64-unknown-linux -### %s -flto=jobserver 2>&1 | FileCheck --check-prefix=FLTO-JOBSERVER %s
//
// FLTO-AUTO: -flto=full
// FLTO-JOBSERVER: -flto=full
//