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[Driver] Add option to select compiler-rt arch suffix #89775

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[Driver] Add option to select compiler-rt arch suffix #89775

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8bac3e2
[Driver] Restore arch suffix for PS and Windows
pogo59 Apr 23, 2024
6a0b933
Base the decision on the CMake variable instead
pogo59 May 1, 2024
e42895a
Revert "Base the decision on the CMake variable instead"
pogo59 May 2, 2024
0f744f3
Add an option to correct driver's fallback position
pogo59 May 3, 2024
73cfcca
Update more tests
pogo59 May 3, 2024
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6 changes: 6 additions & 0 deletions clang/include/clang/Driver/Options.td
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Expand Up @@ -5541,6 +5541,12 @@ def fno_rtlib_defaultlib : Flag<["-"], "fno-rtlib-defaultlib">,
Visibility<[ClangOption, CLOption]>,
Group<f_Group>,
HelpText<"On Windows, do not emit /defaultlib: directives to link compiler-rt libraries">;
def frtlib_per_target :
Flag<["-"], "frtlib-per-target">, Visibility<[ClangOption, CLOption]>, Group<f_Group>,
HelpText<"Compiler-rt libraries are in per-target directories">;
def fno_rtlib_per_target :
Flag<["-"], "fno-rtlib-per-target">, Visibility<[ClangOption, CLOption]>, Group<f_Group>,
HelpText<"Compiler-rt libraries are in one directory and have target-specific names">;
def offload_add_rpath: Flag<["--"], "offload-add-rpath">,
Flags<[NoArgumentUnused]>,
Alias<frtlib_add_rpath>;
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6 changes: 5 additions & 1 deletion clang/lib/Driver/ToolChain.cpp
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Expand Up @@ -684,7 +684,11 @@ std::string ToolChain::getCompilerRT(const ArgList &Args, StringRef Component,
if (Path.empty())
Path = P;
}
if (getTriple().isOSAIX())
// Some targets default to the old layout.
bool UseOldLayout =
getTriple().isOSAIX() || getTriple().isPS() || getTriple().isOSWindows();
if (!Args.hasFlag(options::OPT_frtlib_per_target,
options::OPT_fno_rtlib_per_target, !UseOldLayout))
Path.clear();

// Check the filename for the old layout if the new one does not exist.
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4 changes: 4 additions & 0 deletions clang/lib/Driver/ToolChains/Clang.cpp
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Expand Up @@ -6225,6 +6225,10 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
}
}

// Don't warn about compiler-rt layout options.
Args.ClaimAllArgs(options::OPT_frtlib_per_target);
Args.ClaimAllArgs(options::OPT_fno_rtlib_per_target);

// Warn about ignored options to clang.
for (const Arg *A :
Args.filtered(options::OPT_clang_ignored_gcc_optimization_f_Group)) {
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2 changes: 1 addition & 1 deletion clang/test/Driver/arm-compiler-rt.c
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Expand Up @@ -38,7 +38,7 @@
// RUN: -resource-dir=%S/Inputs/resource_dir_with_arch_subdir \
// RUN: -rtlib=compiler-rt -### %s 2>&1 \
// RUN: | FileCheck %s -check-prefix ARM-WINDOWS
// ARM-WINDOWS: "{{.*[/\\]}}clang_rt.builtins.lib"
// ARM-WINDOWS: "{{.*[/\\]}}clang_rt.builtins-arm.lib"

// RUN: %clang -target arm-linux-androideabi \
// RUN: --sysroot=%S/Inputs/resource_dir_with_arch_subdir \
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16 changes: 8 additions & 8 deletions clang/test/Driver/cl-link.c
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Expand Up @@ -13,20 +13,20 @@
// ASAN: link.exe
// ASAN: "-debug"
// ASAN: "-incremental:no"
// ASAN: "{{[^"]*}}clang_rt.asan.lib"
// ASAN: "-wholearchive:{{.*}}clang_rt.asan.lib"
// ASAN: "{{[^"]*}}clang_rt.asan_cxx.lib"
// ASAN: "-wholearchive:{{.*}}clang_rt.asan_cxx.lib"
// ASAN: "{{[^"]*}}clang_rt.asan-i386.lib"
// ASAN: "-wholearchive:{{.*}}clang_rt.asan-i386.lib"
// ASAN: "{{[^"]*}}clang_rt.asan_cxx-i386.lib"
// ASAN: "-wholearchive:{{.*}}clang_rt.asan_cxx-i386.lib"
// ASAN: "{{.*}}cl-link{{.*}}.obj"

// RUN: %clang_cl -m32 -arch:IA32 --target=i386-pc-win32 /MD /Tc%s -fuse-ld=link -### -fsanitize=address 2>&1 | FileCheck --check-prefix=ASAN-MD %s
// ASAN-MD: link.exe
// ASAN-MD: "-debug"
// ASAN-MD: "-incremental:no"
// ASAN-MD: "{{.*}}clang_rt.asan_dynamic.lib"
// ASAN-MD: "{{[^"]*}}clang_rt.asan_dynamic_runtime_thunk.lib"
// ASAN-MD: "{{.*}}clang_rt.asan_dynamic-i386.lib"
// ASAN-MD: "{{[^"]*}}clang_rt.asan_dynamic_runtime_thunk-i386.lib"
// ASAN-MD: "-include:___asan_seh_interceptor"
// ASAN-MD: "-wholearchive:{{.*}}clang_rt.asan_dynamic_runtime_thunk.lib"
// ASAN-MD: "-wholearchive:{{.*}}clang_rt.asan_dynamic_runtime_thunk-i386.lib"
// ASAN-MD: "{{.*}}cl-link{{.*}}.obj"

// RUN: %clang_cl /LD -fuse-ld=link -### /Tc%s 2>&1 | FileCheck --check-prefix=DLL %s
Expand All @@ -40,7 +40,7 @@
// ASAN-DLL: "-dll"
// ASAN-DLL: "-debug"
// ASAN-DLL: "-incremental:no"
// ASAN-DLL: "{{.*}}clang_rt.asan_dll_thunk.lib"
// ASAN-DLL: "{{.*}}clang_rt.asan_dll_thunk-i386.lib"
// ASAN-DLL: "{{.*}}cl-link{{.*}}.obj"

// RUN: %clang_cl /Zi /Tc%s -fuse-ld=link -### 2>&1 | FileCheck --check-prefix=DEBUG %s
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6 changes: 3 additions & 3 deletions clang/test/Driver/compiler-rt-unwind.c
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Expand Up @@ -98,14 +98,14 @@
// RUN: --target=x86_64-w64-mingw32 -rtlib=compiler-rt --unwindlib=libunwind \
// RUN: -shared-libgcc \
// RUN: | FileCheck --check-prefix=MINGW-RTLIB-COMPILER-RT-SHARED-UNWINDLIB-COMPILER-RT %s
// MINGW-RTLIB-COMPILER-RT-SHARED-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins.a"
// MINGW-RTLIB-COMPILER-RT-SHARED-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins-x86_64.a"
// MINGW-RTLIB-COMPILER-RT-SHARED-UNWINDLIB-COMPILER-RT-SAME: "-l:libunwind.dll.a"
//
// RUN: %clang -### %s 2>&1 \
// RUN: --target=x86_64-w64-mingw32 -rtlib=compiler-rt --unwindlib=libunwind \
// RUN: -static-libgcc \
// RUN: | FileCheck --check-prefix=MINGW-RTLIB-COMPILER-RT-STATIC-UNWINDLIB-COMPILER-RT %s
// MINGW-RTLIB-COMPILER-RT-STATIC-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins.a"
// MINGW-RTLIB-COMPILER-RT-STATIC-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins-x86_64.a"
// MINGW-RTLIB-COMPILER-RT-STATIC-UNWINDLIB-COMPILER-RT-SAME: "-l:libunwind.a"
//
// RUN: %clang -### %s 2>&1 \
Expand All @@ -114,5 +114,5 @@
// RUN: %clangxx -### %s 2>&1 \
// RUN: --target=x86_64-w64-mingw32 -rtlib=compiler-rt --unwindlib=libunwind \
// RUN: | FileCheck --check-prefix=MINGW-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT %s
// MINGW-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins.a"
// MINGW-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT: "{{.*}}libclang_rt.builtins-x86_64.a"
// MINGW-RTLIB-COMPILER-RT-UNWINDLIB-COMPILER-RT-SAME: "-lunwind"
2 changes: 1 addition & 1 deletion clang/test/Driver/instrprof-ld.c
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Expand Up @@ -174,7 +174,7 @@
// RUN: | FileCheck --check-prefix=CHECK-MINGW-X86-64 %s
//
// CHECK-MINGW-X86-64: "{{(.*[^.0-9A-Z_a-z])?}}ld{{(.exe)?}}"
// CHECK-MINGW-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}x86_64-unknown-windows-gnu{{/|\\\\}}libclang_rt.profile.a"
// CHECK-MINGW-X86-64: "{{.*}}/Inputs/resource_dir{{/|\\\\}}lib{{/|\\\\}}windows{{/|\\\\}}libclang_rt.profile-x86_64.a"

// Test instrumented profiling dependent-lib flags
//
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16 changes: 8 additions & 8 deletions clang/test/Driver/mingw-sanitizers.c
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Expand Up @@ -4,17 +4,17 @@
//
// ASAN-ALL-NOT:"-l{{[^"]+"]}}"
// ASAN-ALL-NOT:"[[INPUT]]"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic.dll.a"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic.dll.a"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic-i386.dll.a"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic-x86_64.dll.a"
// ASAN-ALL: "-lcomponent"
// ASAN-ALL: "[[INPUT]]"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic.dll.a"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk.a"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic-i386.dll.a"
// ASAN-I686: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a"
// ASAN-I686: "--require-defined" "___asan_seh_interceptor"
// ASAN-I686: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk.a" "--no-whole-archive"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic.dll.a"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk.a"
// ASAN-I686: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-i386.a" "--no-whole-archive"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic-x86_64.dll.a"
// ASAN-X86_64: "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-x86_64.a"
// ASAN-X86_64: "--require-defined" "__asan_seh_interceptor"
// ASAN-X86_64: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk.a" "--no-whole-archive"
// ASAN-X86_64: "--whole-archive" "{{[^"]*}}libclang_rt.asan_dynamic_runtime_thunk-x86_64.a" "--no-whole-archive"

// RUN: %clang -target x86_64-windows-gnu %s -### -fsanitize=vptr
15 changes: 15 additions & 0 deletions clang/test/Driver/sanitizer-ld.c
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Expand Up @@ -798,6 +798,21 @@
// CHECK-CFI-STATS-WIN64: "--dependent-lib=clang_rt.stats{{(-x86_64)?}}.lib"
// CHECK-CFI-STATS-WIN64: "--linker-option=/include:__sanitizer_stats_register"

// RUN: not %clang -fsanitize=cfi -fsanitize-stats -### %s 2>&1 \
// RUN: --target=x86_64-pc-windows \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -frtlib-per-target \
// RUN: | FileCheck --check-prefix=CHECK-CFI-STATS-RTLIB %s -DSUFFIX=
// RUN: not %clang -fsanitize=cfi -fsanitize-stats -### %s 2>&1 \
// RUN: --target=x86_64-pc-windows \
// RUN: -resource-dir=%S/Inputs/resource_dir \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
// RUN: -fno-rtlib-per-target \
// RUN: | FileCheck --check-prefix=CHECK-CFI-STATS-RTLIB %s -DSUFFIX=-x86_64
// CHECK-CFI-STATS-RTLIB: "--dependent-lib=clang_rt.stats_client[[SUFFIX]].lib"
// CHECK-CFI-STATS-RTLIB: "--dependent-lib=clang_rt.stats[[SUFFIX]].lib"

// RUN: not %clang -fsanitize=cfi -fsanitize-stats -### %s 2>&1 \
// RUN: --target=i686-pc-windows \
// RUN: --sysroot=%S/Inputs/basic_linux_tree \
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18 changes: 9 additions & 9 deletions clang/test/Driver/windows-cross.c
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Expand Up @@ -11,32 +11,32 @@
// RUN: %clang -### -target armv7-windows-itanium --sysroot %s/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -rtlib=compiler-rt -stdlib=libstdc++ -o /dev/null %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-RTLIB

// CHECK-RTLIB: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-RTLIB: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -rtlib=compiler-rt -stdlib=libc++ -o /dev/null %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-C-LIBCXX

// CHECK-C-LIBCXX: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-C-LIBCXX: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clangxx -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -rtlib=compiler-rt -stdlib=libc++ -o /dev/null %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-LIBCXX

// CHECK-LIBCXX: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lc++" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-LIBCXX: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-Bdynamic" "--entry" "mainCRTStartup" "--allow-multiple-definition" "-o" "{{[^"]*}}" "{{.*}}.o" "-lc++" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -shared -rtlib=compiler-rt -stdlib=libc++ -o shared.dll %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SHARED

// CHECK-SHARED: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bdynamic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-SHARED: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bdynamic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -shared -rtlib=compiler-rt -stdlib=libc++ -static -o shared.dll %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SHARED-STATIC

// CHECK-SHARED-STATIC: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bstatic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-SHARED-STATIC: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bstatic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %s/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -shared -rtlib=compiler-rt -stdlib=libc++ -nostartfiles -o shared.dll %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-NOSTARTFILES

// CHECK-NOSTARTFILES: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bdynamic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins.lib"
// CHECK-NOSTARTFILES: {{[/\\]}}ld" "--sysroot={{.*}}/Inputs/Windows/ARM/8.1" "-m" "thumb2pe" "-shared" "-Bdynamic" "--enable-auto-image-base" "--entry" "_DllMainCRTStartup" "--allow-multiple-definition" "-o" "shared.dll" "--out-implib" "shared.lib" "{{.*}}.o" "-lmsvcrt" "{{.*[\\/]}}clang_rt.builtins-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=ld -shared -rtlib=compiler-rt -stdlib=libc++ -nostartfiles -nodefaultlibs -o shared.dll %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-STANDALONE
Expand All @@ -52,19 +52,19 @@
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS

// CHECK-SANITIZE-ADDRESS: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS: "{{.*}}clang_rt.asan_dll_thunk.lib"
// CHECK-SANITIZE-ADDRESS: "{{.*}}clang_rt.asan_dll_thunk-arm.lib"

// RUN: %clang -### -target armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -o test.exe -fsanitize=address -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS-EXE

// CHECK-SANITIZE-ADDRESS-EXE: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS-EXE: "{{.*}}clang_rt.asan_dynamic.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk.lib" "--undefined" "__asan_seh_interceptor"
// CHECK-SANITIZE-ADDRESS-EXE: "{{.*}}clang_rt.asan_dynamic-arm.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk-arm.lib" "--undefined" "__asan_seh_interceptor"

// RUN: %clang -### -target i686-windows-itanium -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -o test.exe -fsanitize=address -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-ADDRESS-EXE-X86

// CHECK-SANITIZE-ADDRESS-EXE-X86: "-fsanitize=address"
// CHECK-SANITIZE-ADDRESS-EXE-X86: "{{.*}}clang_rt.asan_dynamic.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk.lib" "--undefined" "___asan_seh_interceptor"
// CHECK-SANITIZE-ADDRESS-EXE-X86: "{{.*}}clang_rt.asan_dynamic-i386.lib" "{{.*}}clang_rt.asan_dynamic_runtime_thunk-i386.lib" "--undefined" "___asan_seh_interceptor"

// RUN: not %clang -### --target=armv7-windows-itanium --sysroot %S/Inputs/Windows/ARM/8.1 -B %S/Inputs/Windows/ARM/8.1/usr/bin -fuse-ld=lld-link2 -shared -o shared.dll -fsanitize=tsan -x c++ %s 2>&1 \
// RUN: | FileCheck %s --check-prefix CHECK-SANITIZE-TSAN
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