xref: /llvm-project/clang/test/Driver/fat-lto-objects.c (revision f1b1611148fa533fe198fec3fa4ef8139224dc80)
1610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu -flto -ffat-lto-objects -### %s -c 2>&1 | FileCheck %s -check-prefix=CHECK-CC
2610fc5cbSPaul Kirth // CHECK-CC: -cc1
3610fc5cbSPaul Kirth // CHECK-CC-SAME: -emit-obj
4610fc5cbSPaul Kirth // CHECK-CC-SAME: -ffat-lto-objects
5610fc5cbSPaul Kirth 
6610fc5cbSPaul Kirth /// Without -flto -S will just emit normal ASM, so we don't expect -emit-{llvm,obj} or -ffat-lto-objects to be passed to cc1.
7610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu -ffat-lto-objects -### %s -S 2>&1 | FileCheck %s -check-prefix=CHECK-CC-S
8610fc5cbSPaul Kirth // CHECK-CC-S: -cc1
9610fc5cbSPaul Kirth // CHECK-CC-S: -S
10610fc5cbSPaul Kirth // CHECK-CC-S-NOT: -emit-obj
11610fc5cbSPaul Kirth // CHECK-CC-S-NOT: -emit-llvm
12610fc5cbSPaul Kirth // CHECK-CC-S-NOT: -ffat-lto-objects
13610fc5cbSPaul Kirth 
1462eb65b3SSean Fertile /// When fat LTO is enabled with -S, we expect asm output and -ffat-lto-objects to be passed to cc1.
15610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu -flto -ffat-lto-objects -### %s -S 2>&1 | FileCheck %s -check-prefix=CHECK-CC-S-LTO
16610fc5cbSPaul Kirth // CHECK-CC-S-LTO: -cc1
1762eb65b3SSean Fertile // CHECK-CC-S-NOT: -emit-llvm
18610fc5cbSPaul Kirth // CHECK-CC-S-LTO-SAME: -ffat-lto-objects
19610fc5cbSPaul Kirth 
2062eb65b3SSean Fertile /// When fat LTO is enabled with -S and -emit-llvm, we expect IR output and -ffat-lto-objects to be passed to cc1.
2162eb65b3SSean Fertile // RUN: %clang --target=x86_64-unknown-linux-gnu -flto -ffat-lto-objects -### %s -S -emit-llvm 2>&1 | FileCheck %s -check-prefix=CHECK-CC-S-EL-LTO
2262eb65b3SSean Fertile // CHECK-CC-S-EL-LTO: -cc1
2362eb65b3SSean Fertile // CHECK-CC-S-EL-LTO-SAME: -emit-llvm
2462eb65b3SSean Fertile // CHECK-CC-S-EL-LTO-SAME: -ffat-lto-objects
2562eb65b3SSean Fertile 
26*f1b16111SSean Fertile /// When fat LTO is enabled without -S we expect native object output and -ffat-lto-object to be passed to cc1.
2762eb65b3SSean Fertile // RUN: %clang --target=x86_64-unknown-linux-gnu -flto -ffat-lto-objects -### %s -c 2>&1 | FileCheck %s -check-prefix=CHECK-CC-C-LTO
2862eb65b3SSean Fertile // CHECK-CC-C-LTO: -cc1
29*f1b16111SSean Fertile // CHECK-CC-C-LTO-SAME: -emit-obj
30*f1b16111SSean Fertile // CHECK-CC-C-LTO-SAME: -ffat-lto-objects
31*f1b16111SSean Fertile 
32*f1b16111SSean Fertile /// When fat LTO is enabled with -c and -emit-llvm we expect bitcode output and -ffat-lto-object to be passed to cc1.
33*f1b16111SSean Fertile // RUN: %clang --target=x86_64-unknown-linux-gnu -flto -ffat-lto-objects -### %s -c -emit-llvm 2>&1 | FileCheck %s -check-prefix=CHECK-CC-C-EL-LTO
34*f1b16111SSean Fertile // CHECK-CC-C-EL-LTO: -cc1
35*f1b16111SSean Fertile // CHECK-CC-C-EL-LTO-SAME: -emit-llvm-bc
36*f1b16111SSean Fertile // CHECK-CC-C-EL-LTO-SAME: -ffat-lto-objects
3762eb65b3SSean Fertile 
38610fc5cbSPaul Kirth /// Make sure we don't have a warning for -ffat-lto-objects being unused
39610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu -ffat-lto-objects -fdriver-only -Werror -v %s -c 2>&1 | FileCheck %s -check-prefix=CHECK-CC-NOLTO
40610fc5cbSPaul Kirth // CHECK-CC-NOLTO: -cc1
41610fc5cbSPaul Kirth // CHECK-CC-NOLTO-SAME: -emit-obj
42610fc5cbSPaul Kirth // CHECK-CC-NOLTO-NOT: -ffat-lto-objects
43610fc5cbSPaul Kirth 
44610fc5cbSPaul Kirth /// We need to pass an additional flag (--fat-lto-objects) to lld when linking w/ -flto -ffat-lto-objects
45610fc5cbSPaul Kirth /// But it should not be there when LTO is disabled w/ -fno-lto
46610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu --sysroot=%S/Inputs/basic_cross_linux_tree %s \
47610fc5cbSPaul Kirth // RUN:   -fuse-ld=lld -flto -ffat-lto-objects -### 2>&1 | FileCheck --check-prefix=LTO %s
48610fc5cbSPaul Kirth // RUN: %clang --target=x86_64-unknown-linux-gnu --sysroot=%S/Inputs/basic_cross_linux_tree %s \
49610fc5cbSPaul Kirth // RUN:   -fuse-ld=lld -fno-lto -ffat-lto-objects -### 2>&1 | FileCheck --check-prefix=NOLTO %s
50610fc5cbSPaul Kirth // LTO: "--fat-lto-objects"
51610fc5cbSPaul Kirth // NOLTO-NOT: "--fat-lto-objects"
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