r338385 - [RISCV] Add driver for riscv32-unknown-elf baremetal target
Erik Pilkington via cfe-commits
cfe-commits at lists.llvm.org
Wed Sep 26 14:00:54 PDT 2018
I put a patch up to fix this here: https://reviews.llvm.org/D52574
Please take these warnings more seriously next time. It's the
committer's responsibility to fix these warnings [1], and they often
identify legitimate issues in the patch.
Thanks,
Erik
[1]: https://llvm.org/docs/DeveloperPolicy.html#quality
On 8/17/18 8:40 AM, Nico Weber via cfe-commits wrote:
> It's two weeks later and I'm still seeing this warning. Any news?
>
> On Fri, Aug 3, 2018 at 9:29 AM Dávid Bolvanský
> <david.bolvansky at gmail.com <mailto:david.bolvansky at gmail.com>> wrote:
>
> Such filename fix could be part of https://reviews.llvm.org/D50246
>
> pi 3. 8. 2018 o 15:17 Nico Weber <thakis at chromium.org
> <mailto:thakis at chromium.org>> napísal(a):
>
> I'm getting this warning from the mac linker after this commit:
>
> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/libtool:
> warning same member name (libclangDriver.RISCV.o) in output
> file used for input files:
> obj/clang/lib/Driver/ToolChains/Arch/libclangDriver.RISCV.o
> and: obj/clang/lib/Driver/ToolChains/libclangDriver.RISCV.o
> (due to use of basename, truncation, blank padding or
> duplicate input files)
>
> Could we rename the file to fix that warning?
>
> On Tue, Jul 31, 2018 at 10:40 AM David Bolvansky via
> cfe-commits <cfe-commits at lists.llvm.org
> <mailto:cfe-commits at lists.llvm.org>> wrote:
>
> Author: xbolva00
> Date: Tue Jul 31 07:21:46 2018
> New Revision: 338385
>
> URL: http://llvm.org/viewvc/llvm-project?rev=338385&view=rev
> Log:
> [RISCV] Add driver for riscv32-unknown-elf baremetal target
>
> Summary:
> This patch adds a driver for the baremetal RISC-V target
> (i.e. riscv32-unknown-elf). For reference, D39963 added
> basic target info and added support for
> riscv32-linux-unknown-elf.
>
> Patch by: asb (Alex Bradbury)
>
> Reviewers: efriedma, phosek, apazos, espindola, mgrang
>
> Reviewed By: mgrang
>
> Subscribers: jrtc27, rogfer01, MartinMosbeck, brucehoult,
> the_o, rkruppe, emaste, mgorny, arichardson, rbar,
> johnrusso, simoncook, jordy.potman.lists, sabuasal,
> niosHD, kito-cheng, shiva0217, zzheng, edward-jones,
> mgrang, cfe-commits
>
> Differential Revision: https://reviews.llvm.org/D46822
>
> Added:
> cfe/trunk/lib/Driver/ToolChains/RISCV.cpp
> cfe/trunk/lib/Driver/ToolChains/RISCV.h
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld
> (with props)
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/c++/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/c++/8.0.1/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/c++/8.0.1/.keep
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib/
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib/crt0.o
> Modified:
> cfe/trunk/lib/Driver/CMakeLists.txt
> cfe/trunk/lib/Driver/Driver.cpp
> cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
> cfe/trunk/test/Driver/riscv32-toolchain.c
>
> Modified: cfe/trunk/lib/Driver/CMakeLists.txt
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/CMakeLists.txt?rev=338385&r1=338384&r2=338385&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/CMakeLists.txt (original)
> +++ cfe/trunk/lib/Driver/CMakeLists.txt Tue Jul 31
> 07:21:46 2018
> @@ -57,6 +57,7 @@ add_clang_library(clangDriver
> ToolChains/NetBSD.cpp
> ToolChains/OpenBSD.cpp
> ToolChains/PS4CPU.cpp
> + ToolChains/RISCV.cpp
> ToolChains/Solaris.cpp
> ToolChains/TCE.cpp
> ToolChains/WebAssembly.cpp
>
> Modified: cfe/trunk/lib/Driver/Driver.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=338385&r1=338384&r2=338385&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/Driver.cpp (original)
> +++ cfe/trunk/lib/Driver/Driver.cpp Tue Jul 31 07:21:46 2018
> @@ -37,6 +37,7 @@
> #include "ToolChains/NetBSD.h"
> #include "ToolChains/OpenBSD.h"
> #include "ToolChains/PS4CPU.h"
> +#include "ToolChains/RISCV.h"
> #include "ToolChains/Solaris.h"
> #include "ToolChains/TCE.h"
> #include "ToolChains/WebAssembly.h"
> @@ -4399,6 +4400,10 @@ const ToolChain
> &Driver::getToolChain(co
> case llvm::Triple::avr:
> TC =
> llvm::make_unique<toolchains::AVRToolChain>(*this, Target,
> Args);
> break;
> + case llvm::Triple::riscv32:
> + case llvm::Triple::riscv64:
> + TC =
> llvm::make_unique<toolchains::RISCVToolChain>(*this,
> Target, Args);
> + break;
> default:
> if (Target.getVendor() == llvm::Triple::Myriad)
> TC =
> llvm::make_unique<toolchains::MyriadToolChain>(*this, Target,
>
> Modified: cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Gnu.cpp?rev=338385&r1=338384&r2=338385&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Driver/ToolChains/Gnu.cpp (original)
> +++ cfe/trunk/lib/Driver/ToolChains/Gnu.cpp Tue Jul 31
> 07:21:46 2018
> @@ -1877,7 +1877,8 @@ void Generic_GCC::GCCInstallationDetecto
>
> static const char *const RISCV32LibDirs[] = {"/lib",
> "/lib32"};
> static const char *const RISCVTriples[] =
> {"riscv32-unknown-linux-gnu",
> - "riscv64-unknown-linux-gnu"};
> + "riscv64-unknown-linux-gnu",
> + "riscv32-unknown-elf"};
>
> static const char *const SPARCv8LibDirs[] = {"/lib32",
> "/lib"};
> static const char *const SPARCv8Triples[] =
> {"sparc-linux-gnu",
>
> Added: cfe/trunk/lib/Driver/ToolChains/RISCV.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/RISCV.cpp?rev=338385&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Driver/ToolChains/RISCV.cpp (added)
> +++ cfe/trunk/lib/Driver/ToolChains/RISCV.cpp Tue Jul 31
> 07:21:46 2018
> @@ -0,0 +1,117 @@
> +//===--- RISCV.cpp - RISCV ToolChain Implementations
> ------------*- C++ -*-===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of
> Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
> +//===----------------------------------------------------------------------===//
> +
> +#include "RISCV.h"
> +#include "CommonArgs.h"
> +#include "InputInfo.h"
> +#include "clang/Driver/Compilation.h"
> +#include "clang/Driver/Options.h"
> +#include "llvm/Option/ArgList.h"
> +#include "llvm/Support/Path.h"
> +#include "llvm/Support/raw_ostream.h"
> +
> +using namespace clang::driver;
> +using namespace clang::driver::toolchains;
> +using namespace clang::driver::tools;
> +using namespace clang;
> +using namespace llvm::opt;
> +
> +/// RISCV Toolchain
> +RISCVToolChain::RISCVToolChain(const Driver &D, const
> llvm::Triple &Triple,
> + const ArgList &Args)
> + : Generic_ELF(D, Triple, Args) {
> + GCCInstallation.init(Triple, Args);
> + getFilePaths().push_back(D.SysRoot + "/lib");
> + if (GCCInstallation.isValid()) {
> +
> getFilePaths().push_back(GCCInstallation.getInstallPath().str());
> + getProgramPaths().push_back(
> + (GCCInstallation.getParentLibPath() +
> "/../bin").str());
> + }
> +}
> +
> +Tool *RISCVToolChain::buildLinker() const {
> + return new tools::RISCV::Linker(*this);
> +}
> +
> +void RISCVToolChain::AddClangSystemIncludeArgs(const
> ArgList &DriverArgs,
> + ArgStringList &CC1Args) const {
> + if (DriverArgs.hasArg(options::OPT_nostdinc))
> + return;
> +
> + if (!DriverArgs.hasArg(options::OPT_nostdlibinc)) {
> + SmallString<128> Dir(getDriver().SysRoot);
> + llvm::sys::path::append(Dir, "include");
> + addSystemInclude(DriverArgs, CC1Args, Dir.str());
> + }
> +}
> +
> +void RISCVToolChain::addLibStdCxxIncludePaths(
> + const llvm::opt::ArgList &DriverArgs,
> + llvm::opt::ArgStringList &CC1Args) const {
> + StringRef LibDir = GCCInstallation.getParentLibPath();
> + const GCCVersion &Version = GCCInstallation.getVersion();
> + StringRef TripleStr = GCCInstallation.getTriple().str();
> + const Multilib &Multilib = GCCInstallation.getMultilib();
> + addLibStdCXXIncludePaths(
> + LibDir.str() + "/../" + TripleStr.str() +
> "/include/c++/" + Version.Text,
> + "", TripleStr, "", "", Multilib.includeSuffix(),
> DriverArgs, CC1Args);
> +}
> +
> +void RISCV::Linker::ConstructJob(Compilation &C, const
> JobAction &JA,
> + const InputInfo &Output,
> + const InputInfoList &Inputs,
> + const ArgList &Args,
> + const char
> *LinkingOutput) const {
> + const ToolChain &ToolChain = getToolChain();
> + const Driver &D = ToolChain.getDriver();
> + ArgStringList CmdArgs;
> +
> + if (!D.SysRoot.empty())
> + CmdArgs.push_back(Args.MakeArgString("--sysroot=" +
> D.SysRoot));
> +
> + std::string Linker =
> getToolChain().GetProgramPath(getShortName());
> +
> + bool WantCRTs =
> + !Args.hasArg(options::OPT_nostdlib,
> options::OPT_nostartfiles);
> +
> + if (WantCRTs) {
> +
> CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crt0.o")));
> +
> CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtbegin.o")));
> + }
> +
> + Args.AddAllArgs(CmdArgs, options::OPT_L);
> + ToolChain.AddFilePathLibArgs(Args, CmdArgs);
> + Args.AddAllArgs(CmdArgs,
> + {options::OPT_T_Group, options::OPT_e,
> options::OPT_s,
> + options::OPT_t, options::OPT_Z_Flag,
> options::OPT_r});
> +
> + AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
> +
> + // TODO: add C++ includes and libs if compiling C++.
> +
> + if (!Args.hasArg(options::OPT_nostdlib) &&
> + !Args.hasArg(options::OPT_nodefaultlibs)) {
> + if (ToolChain.ShouldLinkCXXStdlib(Args))
> + ToolChain.AddCXXStdlibLibArgs(Args, CmdArgs);
> + CmdArgs.push_back("--start-group");
> + CmdArgs.push_back("-lc");
> + CmdArgs.push_back("-lgloss");
> + CmdArgs.push_back("--end-group");
> + CmdArgs.push_back("-lgcc");
> + }
> +
> + if (WantCRTs)
> +
> CmdArgs.push_back(Args.MakeArgString(ToolChain.GetFilePath("crtend.o")));
> +
> + CmdArgs.push_back("-o");
> + CmdArgs.push_back(Output.getFilename());
> + C.addCommand(llvm::make_unique<Command>(JA, *this,
> Args.MakeArgString(Linker),
> + CmdArgs, Inputs));
> +}
> +// RISCV tools end.
>
> Added: cfe/trunk/lib/Driver/ToolChains/RISCV.h
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/RISCV.h?rev=338385&view=auto
> ==============================================================================
> --- cfe/trunk/lib/Driver/ToolChains/RISCV.h (added)
> +++ cfe/trunk/lib/Driver/ToolChains/RISCV.h Tue Jul 31
> 07:21:46 2018
> @@ -0,0 +1,57 @@
> +//===--- RISCV.h - RISCV ToolChain Implementations
> --------------*- C++ -*-===//
> +//
> +// The LLVM Compiler Infrastructure
> +//
> +// This file is distributed under the University of
> Illinois Open Source
> +// License. See LICENSE.TXT for details.
> +//
> +//===----------------------------------------------------------------------===//
> +
> +#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCV_H
> +#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCV_H
> +
> +#include "Gnu.h"
> +#include "clang/Driver/ToolChain.h"
> +
> +namespace clang {
> +namespace driver {
> +namespace toolchains {
> +
> +class LLVM_LIBRARY_VISIBILITY RISCVToolChain : public
> Generic_ELF {
> +public:
> + RISCVToolChain(const Driver &D, const llvm::Triple &Triple,
> + const llvm::opt::ArgList &Args);
> +
> + bool IsIntegratedAssemblerDefault() const override {
> return true; }
> + void
> + AddClangSystemIncludeArgs(const llvm::opt::ArgList
> &DriverArgs,
> + llvm::opt::ArgStringList
> &CC1Args) const override;
> + void
> + addLibStdCxxIncludePaths(const llvm::opt::ArgList
> &DriverArgs,
> + llvm::opt::ArgStringList
> &CC1Args) const override;
> +
> +protected:
> + Tool *buildLinker() const override;
> +};
> +
> +} // end namespace toolchains
> +
> +namespace tools {
> +namespace RISCV {
> +class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
> +public:
> + Linker(const ToolChain &TC) : GnuTool("RISCV::Linker",
> "ld", TC) {}
> + bool hasIntegratedCPP() const override { return false; }
> + bool isLinkJob() const override { return true; }
> + void ConstructJob(Compilation &C, const JobAction &JA,
> + const InputInfo &Output, const
> InputInfoList &Inputs,
> + const llvm::opt::ArgList &TCArgs,
> + const char *LinkingOutput) const
> override;
> +};
> +} // end namespace RISCV
> +} // end namespace tools
> +
> +} // end namespace driver
> +} // end namespace clang
> +
> +#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_RISCV_H
>
> Added:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld?rev=338385&view=auto
> ==============================================================================
> ---
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld
> (added)
> +++
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld
> Tue Jul 31 07:21:46 2018
> @@ -0,0 +1 @@
> +#!/bin/true
>
> Propchange:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/bin/riscv32-unknown-elf-ld
> ------------------------------------------------------------------------------
> svn:executable = *
>
> Added:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtbegin.o?rev=338385&view=auto
> ==============================================================================
> (empty)
>
> Added:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/crtend.o?rev=338385&view=auto
> ==============================================================================
> (empty)
>
> Added:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/c++/8.0.1/.keep
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/include/c%2B%2B/8.0.1/.keep?rev=338385&view=auto
> ==============================================================================
> (empty)
>
> Added:
> cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib/crt0.o
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib/crt0.o?rev=338385&view=auto
> ==============================================================================
> (empty)
>
> Modified: cfe/trunk/test/Driver/riscv32-toolchain.c
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv32-toolchain.c?rev=338385&r1=338384&r2=338385&view=diff
> ==============================================================================
> --- cfe/trunk/test/Driver/riscv32-toolchain.c (original)
> +++ cfe/trunk/test/Driver/riscv32-toolchain.c Tue Jul 31
> 07:21:46 2018
> @@ -3,6 +3,36 @@
> // RUN: %clang %s -### -no-canonical-prefixes -target
> riscv32 2>&1 | FileCheck -check-prefix=CC1 %s
> // CC1: clang{{.*}} "-cc1" "-triple" "riscv32"
>
> +// RUN: %clang %s -### -no-canonical-prefixes \
> +// RUN: -target riscv32-unknown-elf \
> +// RUN: --gcc-toolchain=%S/Inputs/basic_riscv32_tree \
> +// RUN:
> --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf
> 2>&1 \
> +// RUN: | FileCheck -check-prefix=C-RV32-BAREMETAL-ILP32 %s
> +
> +// C-RV32-BAREMETAL-ILP32:
> "{{.*}}Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../../../bin{{/|\\\\}}riscv32-unknown-elf-ld"
> +// C-RV32-BAREMETAL-ILP32:
> "--sysroot={{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf"
> +// C-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib{{/|\\\\}}crt0.o"
> +// C-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1{{/|\\\\}}crtbegin.o"
> +// C-RV32-BAREMETAL-ILP32:
> "-L{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib"
> +// C-RV32-BAREMETAL-ILP32:
> "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
> +// C-RV32-BAREMETAL-ILP32: "--start-group" "-lc"
> "-lgloss" "--end-group" "-lgcc"
> +// C-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1{{/|\\\\}}crtend.o"
> +
> +// RUN: %clangxx %s -### -no-canonical-prefixes \
> +// RUN: -target riscv32-unknown-elf \
> +// RUN: --gcc-toolchain=%S/Inputs/basic_riscv32_tree \
> +// RUN:
> --sysroot=%S/Inputs/basic_riscv32_tree/riscv32-unknown-elf
> 2>&1 \
> +// RUN: | FileCheck
> -check-prefix=CXX-RV32-BAREMETAL-ILP32 %s
> +
> +// CXX-RV32-BAREMETAL-ILP32: "-internal-isystem"
> "{{.*}}Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../../../riscv32-unknown-elf/include/c++{{/|\\\\}}8.0.1"
> +// CXX-RV32-BAREMETAL-ILP32:
> "{{.*}}Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1/../../../../bin{{/|\\\\}}riscv32-unknown-elf-ld"
> +// CXX-RV32-BAREMETAL-ILP32:
> "--sysroot={{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf"
> +// CXX-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib{{/|\\\\}}crt0.o"
> +// CXX-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1{{/|\\\\}}crtbegin.o"
> +// CXX-RV32-BAREMETAL-ILP32:
> "-L{{.*}}/Inputs/basic_riscv32_tree/riscv32-unknown-elf/lib"
> +// CXX-RV32-BAREMETAL-ILP32:
> "-L{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1"
> +// CXX-RV32-BAREMETAL-ILP32: "-lstdc++" "--start-group"
> "-lc" "-lgloss" "--end-group" "-lgcc"
> +// CXX-RV32-BAREMETAL-ILP32:
> "{{.*}}/Inputs/basic_riscv32_tree/lib/gcc/riscv32-unknown-elf/8.0.1{{/|\\\\}}crtend.o"
>
> // RUN: %clang %s -### -no-canonical-prefixes -fuse-ld=ld \
> // RUN: -target riscv32-linux-unknown-elf \
>
>
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