1693009679
Follow-up to #81037. ToolChain::LibraryPaths holds the new compiler-rt library directory (e.g. `/tmp/Debug/lib/clang/19/lib/x86_64-unknown-linux-gnu`). However, it might be empty when the directory does not exist (due to the `if (getVFS().exists(P))` change in https://reviews.llvm.org/D158475). If neither the old/new compiler-rt library directories exists, we would suggest the undesired old compiler-rt file name: ``` % /tmp/Debug/bin/clang++ a.cc -fsanitize=memory -o a ld.lld: error: cannot open /tmp/Debug/lib/clang/19/lib/linux/libclang_rt.msan-x86_64.a: No such file or directory clang++: error: linker command failed with exit code 1 (use -v to see invocation) ``` With this change, we will correctly suggest the new compiler-rt file name. Fix #87150 Pull Request: https://github.com/llvm/llvm-project/pull/87866
89 lines
4.9 KiB
C++
89 lines
4.9 KiB
C++
// A basic clang -cc1 command-line. WebAssembly is somewhat special in
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// enabling -fvisibility=hidden by default.
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// RUN: %clangxx -### %s --target=wasm32-unknown-unknown 2>&1 \
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// RUN: | FileCheck -check-prefix=CC1 %s
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// CC1: "-cc1" "-triple" "wasm32-unknown-unknown" {{.*}} "-fvisibility=hidden" {{.*}}
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// Ditto, but ensure that a user -fvisibility=default disables the default
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// -fvisibility=hidden.
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// RUN: %clangxx -### %s --target=wasm32-unknown-unknown -fvisibility=default 2>&1 \
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// RUN: | FileCheck -check-prefix=FVISIBILITY_DEFAULT %s
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// FVISIBILITY_DEFAULT-NOT: hidden
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// A basic C++ link command-line with unknown OS.
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// RUN: %clangxx -### --target=wasm32-unknown-unknown --sysroot=/foo --stdlib=libc++ %s 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK %s
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// LINK: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lc++" "-lc++abi" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// RUN: %clangxx -### --target=wasm32-unknown-unknown --sysroot=/foo --stdlib=libstdc++ %s 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_STDCXX %s
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// LINK_STDCXX: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_STDCXX: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lstdc++" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// A basic C++ link command-line with optimization with unknown OS.
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// RUN: %clangxx -### -O2 --target=wasm32-unknown-unknown --sysroot=/foo %s --stdlib=libc++ 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_OPT %s
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// LINK_OPT: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_OPT: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lc++" "-lc++abi" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// RUN: %clangxx -### -O2 --target=wasm32-unknown-unknown --sysroot=/foo %s --stdlib=libstdc++ 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_OPT_STDCXX %s
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// LINK_OPT_STDCXX: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_OPT_STDCXX: wasm-ld{{.*}}" "-L/foo/lib" "crt1.o" "[[temp]]" "-lstdc++" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// A basic C++ link command-line with known OS.
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// RUN: %clangxx -### --target=wasm32-wasi --sysroot=/foo --stdlib=libc++ %s 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_KNOWN %s
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// LINK_KNOWN: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_KNOWN: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lc++" "-lc++abi" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// RUN: %clangxx -### --target=wasm32-wasi --sysroot=/foo --stdlib=libstdc++ %s 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_KNOWN_STDCXX %s
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// LINK_KNOWN_STDCXX: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_KNOWN_STDCXX: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lstdc++" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// A basic C++ link command-line with optimization with known OS.
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// RUN: %clangxx -### -O2 --target=wasm32-wasi --sysroot=/foo %s --stdlib=libc++ 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_OPT_KNOWN %s
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// LINK_OPT_KNOWN: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_OPT_KNOWN: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lc++" "-lc++abi" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// RUN: %clangxx -### -O2 --target=wasm32-wasi --sysroot=/foo %s --stdlib=libstdc++ 2>&1 \
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// RUN: | FileCheck -check-prefix=LINK_OPT_KNOWN_STDCXX %s
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// LINK_OPT_KNOWN_STDCXX: "-cc1" {{.*}} "-o" "[[temp:[^"]*]]"
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// LINK_OPT_KNOWN_STDCXX: wasm-ld{{.*}}" "-L/foo/lib/wasm32-wasi" "crt1.o" "[[temp]]" "-lstdc++" "-lc" "{{.*[/\\]}}libclang_rt.builtins.a" "-o" "a.out"
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// A basic C++ compile command-line with known OS.
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// RUN: %clangxx -### --target=wasm32-wasi --stdlib=libc++ %s 2>&1 \
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// RUN: --sysroot=%S/Inputs/basic_linux_libcxx_tree/usr \
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// RUN: | FileCheck -check-prefix=COMPILE %s
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// COMPILE: "-cc1"
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// COMPILE: "-resource-dir" "[[RESOURCE_DIR:[^"]*]]"
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// COMPILE: "-isysroot" "[[SYSROOT:[^"]+]]"
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// COMPILE: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/wasm32-wasi/c++/v1"
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// COMPILE: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/c++/v1"
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// COMPILE: "-internal-isystem" "[[RESOURCE_DIR]]{{(/|\\\\)}}include"
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// COMPILE: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/wasm32-wasi"
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// COMPILE: "-internal-isystem" "[[SYSROOT:[^"]+]]/include"
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// RUN: %clangxx -### --target=wasm32-wasi --stdlib=libstdc++ %s 2>&1 \
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// RUN: --sysroot=%S/Inputs/basic_linux_libstdcxx_libcxxv2_tree/usr \
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// RUN: | FileCheck -check-prefix=COMPILE_STDCXX %s
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// COMPILE_STDCXX: "-cc1"
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// COMPILE_STDCXX: "-resource-dir" "[[RESOURCE_DIR:[^"]*]]"
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// COMPILE_STDCXX: "-isysroot" "[[SYSROOT:[^"]+]]"
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// COMPILE_STDCXX: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/c++/4.8/wasm32-wasi"
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// COMPILE_STDCXX: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/c++/4.8"
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// COMPILE_STDCXX: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/c++/4.8/backward"
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// COMPILE_STDCXX: "-internal-isystem" "[[RESOURCE_DIR]]{{(/|\\\\)}}include"
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// COMPILE_STDCXX: "-internal-isystem" "[[SYSROOT:[^"]+]]/include/wasm32-wasi"
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// COMPILE_STDCXX: "-internal-isystem" "[[SYSROOT:[^"]+]]/include"
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