xref: /aosp_15_r20/external/clang/test/Driver/lto.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // -flto causes a switch to llvm-bc object files.
2*67e74705SXin Li // RUN: %clang -ccc-print-phases -c %s -flto 2> %t
3*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-COMPILE-ACTIONS < %t %s
4*67e74705SXin Li //
5*67e74705SXin Li // CHECK-COMPILE-ACTIONS: 2: compiler, {1}, ir
6*67e74705SXin Li // CHECK-COMPILE-ACTIONS: 3: backend, {2}, lto-bc
7*67e74705SXin Li 
8*67e74705SXin Li // RUN: %clang -ccc-print-phases %s -flto 2> %t
9*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-COMPILELINK-ACTIONS < %t %s
10*67e74705SXin Li //
11*67e74705SXin Li // CHECK-COMPILELINK-ACTIONS: 0: input, "{{.*}}lto.c", c
12*67e74705SXin Li // CHECK-COMPILELINK-ACTIONS: 1: preprocessor, {0}, cpp-output
13*67e74705SXin Li // CHECK-COMPILELINK-ACTIONS: 2: compiler, {1}, ir
14*67e74705SXin Li // CHECK-COMPILELINK-ACTIONS: 3: backend, {2}, lto-bc
15*67e74705SXin Li // CHECK-COMPILELINK-ACTIONS: 4: linker, {3}, image
16*67e74705SXin Li 
17*67e74705SXin Li // llvm-bc and llvm-ll outputs need to match regular suffixes
18*67e74705SXin Li // (unfortunately).
19*67e74705SXin Li // RUN: %clang %s -flto -save-temps -### 2> %t
20*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-COMPILELINK-SUFFIXES < %t %s
21*67e74705SXin Li //
22*67e74705SXin Li // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.i" "-x" "c" "{{.*}}lto.c"
23*67e74705SXin Li // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.bc" {{.*}}"{{.*}}lto.i"
24*67e74705SXin Li // CHECK-COMPILELINK-SUFFIXES: "-o" "{{.*}}lto.o" {{.*}}"{{.*}}lto.bc"
25*67e74705SXin Li // CHECK-COMPILELINK-SUFFIXES: "{{.*}}a.{{(out|exe)}}" {{.*}}"{{.*}}lto.o"
26*67e74705SXin Li 
27*67e74705SXin Li // RUN: %clang %s -flto -S -### 2> %t
28*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-COMPILE-SUFFIXES < %t %s
29*67e74705SXin Li //
30*67e74705SXin Li // CHECK-COMPILE-SUFFIXES: "-o" "{{.*}}lto.s" "-x" "c" "{{.*}}lto.c"
31*67e74705SXin Li 
32*67e74705SXin Li // RUN: not %clang %s -emit-llvm 2>&1 | FileCheck --check-prefix=LLVM-LINK %s
33*67e74705SXin Li // LLVM-LINK: -emit-llvm cannot be used when linking
34*67e74705SXin Li 
35*67e74705SXin Li // -flto should cause link using gold plugin
36*67e74705SXin Li // RUN: %clang -target x86_64-unknown-linux -### %s -flto 2> %t
37*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-LINK-LTO-ACTION < %t %s
38*67e74705SXin Li //
39*67e74705SXin Li // CHECK-LINK-LTO-ACTION: "-plugin" "{{.*}}/LLVMgold.so"
40*67e74705SXin Li 
41*67e74705SXin Li // -flto=full should cause link using gold plugin
42*67e74705SXin Li // RUN: %clang -target x86_64-unknown-linux -### %s -flto=full 2> %t
43*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-LINK-FULL-ACTION < %t %s
44*67e74705SXin Li //
45*67e74705SXin Li // CHECK-LINK-FULL-ACTION: "-plugin" "{{.*}}/LLVMgold.so"
46*67e74705SXin Li 
47*67e74705SXin Li // Check that subsequent -fno-lto takes precedence
48*67e74705SXin Li // RUN: %clang -target x86_64-unknown-linux -### %s -flto=full -fno-lto 2> %t
49*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-LINK-NOLTO-ACTION < %t %s
50*67e74705SXin Li //
51*67e74705SXin Li // CHECK-LINK-NOLTO-ACTION-NOT: "-plugin" "{{.*}}/LLVMgold.so"
52*67e74705SXin Li 
53*67e74705SXin Li // -flto passes along an explicit debugger tuning argument.
54*67e74705SXin Li // RUN: %clang -target x86_64-unknown-linux -### %s -flto -glldb 2> %t
55*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-TUNING-LLDB < %t %s
56*67e74705SXin Li // RUN: %clang -target x86_64-unknown-linux -### %s -flto -g 2> %t
57*67e74705SXin Li // RUN: FileCheck -check-prefix=CHECK-NO-TUNING < %t %s
58*67e74705SXin Li //
59*67e74705SXin Li // CHECK-TUNING-LLDB:   "-plugin-opt=-debugger-tune=lldb"
60*67e74705SXin Li // CHECK-NO-TUNING-NOT: "-plugin-opt=-debugger-tune
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