1 // -flto=thin causes a switch to llvm-bc object files.
2 // RUN: %clang -ccc-print-phases -c %s -flto=thin 2> %t
3 // RUN: FileCheck -check-prefix=CHECK-COMPILE-ACTIONS < %t %s
4 //
5 // CHECK-COMPILE-ACTIONS: 2: compiler, {1}, ir
6 // CHECK-COMPILE-ACTIONS: 3: backend, {2}, lto-bc
7 
8 // RUN: %clang -ccc-print-phases %s -flto=thin 2> %t
9 // RUN: FileCheck -check-prefix=CHECK-COMPILELINK-ACTIONS < %t %s
10 //
11 // CHECK-COMPILELINK-ACTIONS: 0: input, "{{.*}}thinlto.c", c
12 // CHECK-COMPILELINK-ACTIONS: 1: preprocessor, {0}, cpp-output
13 // CHECK-COMPILELINK-ACTIONS: 2: compiler, {1}, ir
14 // CHECK-COMPILELINK-ACTIONS: 3: backend, {2}, lto-bc
15 // CHECK-COMPILELINK-ACTIONS: 4: linker, {3}, image
16 
17 // -flto=thin should cause link using gold plugin with thinlto option,
18 // also confirm that it takes precedence over earlier -fno-lto and -flto=full.
19 // RUN: %clang -target x86_64-unknown-linux -### %s -flto=full -fno-lto -flto=thin 2> %t
20 // RUN: FileCheck -check-prefix=CHECK-LINK-THIN-ACTION < %t %s
21 //
22 // CHECK-LINK-THIN-ACTION: "-plugin" "{{.*}}/LLVMgold.so"
23 // CHECK-LINK-THIN-ACTION: "-plugin-opt=thinlto"
24 
25 // Check that subsequent -flto=full takes precedence
26 // RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin -flto=full 2> %t
27 // RUN: FileCheck -check-prefix=CHECK-LINK-FULL-ACTION < %t %s
28 //
29 // CHECK-LINK-FULL-ACTION: "-plugin" "{{.*}}/LLVMgold.so"
30 // CHECK-LINK-FULL-ACTION-NOT: "-plugin-opt=thinlto"
31 
32 // Check that subsequent -fno-lto takes precedence
33 // RUN: %clang -target x86_64-unknown-linux -### %s -flto=thin -fno-lto 2> %t
34 // RUN: FileCheck -check-prefix=CHECK-LINK-NOLTO-ACTION < %t %s
35 //
36 // CHECK-LINK-NOLTO-ACTION-NOT: "-plugin" "{{.*}}/LLVMgold.so"
37 // CHECK-LINK-NOLTO-ACTION-NOT: "-plugin-opt=thinlto"
38