r322276 - [RISCV] Add the RISCV target and compiler driver
Alex Bradbury via cfe-commits
cfe-commits at lists.llvm.org
Thu Jan 11 05:36:57 PST 2018
Author: asb
Date: Thu Jan 11 05:36:56 2018
New Revision: 322276
URL: http://llvm.org/viewvc/llvm-project?rev=322276&view=rev
Log:
[RISCV] Add the RISCV target and compiler driver
As RV64 codegen has not yet been upstreamed into LLVM, we focus on RV32 driver
support (RV64 to follow).
Differential Revision: https://reviews.llvm.org/D39963
Added:
cfe/trunk/lib/Basic/Targets/RISCV.cpp
cfe/trunk/lib/Basic/Targets/RISCV.h
cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp
cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.h
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/bin/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/bin/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/include/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/include/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib64/lp64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib64/lp64d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld (with props)
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32d/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64d/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64/.keep
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64d/
cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64d/.keep
cfe/trunk/test/Driver/riscv-abi.c
cfe/trunk/test/Driver/riscv-features.c
cfe/trunk/test/Driver/riscv32-toolchain.c
cfe/trunk/test/Driver/riscv64-toolchain.c
Modified:
cfe/trunk/lib/Basic/CMakeLists.txt
cfe/trunk/lib/Basic/Targets.cpp
cfe/trunk/lib/Driver/CMakeLists.txt
cfe/trunk/lib/Driver/ToolChains/Clang.cpp
cfe/trunk/lib/Driver/ToolChains/Clang.h
cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
cfe/trunk/lib/Driver/ToolChains/Linux.cpp
cfe/trunk/test/Driver/frame-pointer.c
cfe/trunk/test/Preprocessor/init.c
Modified: cfe/trunk/lib/Basic/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/CMakeLists.txt?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/CMakeLists.txt (original)
+++ cfe/trunk/lib/Basic/CMakeLists.txt Thu Jan 11 05:36:56 2018
@@ -83,6 +83,7 @@ add_clang_library(clangBasic
Targets/OSTargets.cpp
Targets/PNaCl.cpp
Targets/PPC.cpp
+ Targets/RISCV.cpp
Targets/SPIR.cpp
Targets/Sparc.cpp
Targets/SystemZ.cpp
Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Thu Jan 11 05:36:56 2018
@@ -29,6 +29,7 @@
#include "Targets/OSTargets.h"
#include "Targets/PNaCl.h"
#include "Targets/PPC.h"
+#include "Targets/RISCV.h"
#include "Targets/SPIR.h"
#include "Targets/Sparc.h"
#include "Targets/SystemZ.h"
@@ -370,6 +371,11 @@ TargetInfo *AllocateTarget(const llvm::T
case llvm::Triple::r600:
return new AMDGPUTargetInfo(Triple, Opts);
+ case llvm::Triple::riscv32:
+ return new RISCV32TargetInfo(Triple, Opts);
+ case llvm::Triple::riscv64:
+ return new RISCV64TargetInfo(Triple, Opts);
+
case llvm::Triple::sparc:
switch (os) {
case llvm::Triple::Linux:
Added: cfe/trunk/lib/Basic/Targets/RISCV.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/RISCV.cpp?rev=322276&view=auto
==============================================================================
--- cfe/trunk/lib/Basic/Targets/RISCV.cpp (added)
+++ cfe/trunk/lib/Basic/Targets/RISCV.cpp Thu Jan 11 05:36:56 2018
@@ -0,0 +1,52 @@
+//===--- RISCV.cpp - Implement RISCV target feature support ---------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements RISCV TargetInfo objects.
+//
+//===----------------------------------------------------------------------===//
+
+#include "RISCV.h"
+#include "clang/Basic/MacroBuilder.h"
+#include "llvm/ADT/StringSwitch.h"
+
+using namespace clang;
+using namespace clang::targets;
+
+ArrayRef<const char *> RISCVTargetInfo::getGCCRegNames() const {
+ static const char *const GCCRegNames[] = {
+ "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
+ "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
+ "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23",
+ "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31"};
+ return llvm::makeArrayRef(GCCRegNames);
+}
+
+ArrayRef<TargetInfo::GCCRegAlias> RISCVTargetInfo::getGCCRegAliases() const {
+ static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
+ {{"zero"}, "x0"}, {{"ra"}, "x1"}, {{"sp"}, "x2"}, {{"gp"}, "x3"},
+ {{"tp"}, "x4"}, {{"t0"}, "x5"}, {{"t1"}, "x6"}, {{"t2"}, "x7"},
+ {{"s0"}, "x8"}, {{"s1"}, "x9"}, {{"a0"}, "x10"}, {{"a1"}, "x11"},
+ {{"a2"}, "x12"}, {{"a3"}, "x13"}, {{"a4"}, "x15"}, {{"a5"}, "x15"},
+ {{"a6"}, "x16"}, {{"a7"}, "x17"}, {{"s2"}, "x18"}, {{"s3"}, "x19"},
+ {{"s4"}, "x20"}, {{"s5"}, "x21"}, {{"s6"}, "x22"}, {{"s7"}, "x23"},
+ {{"s8"}, "x24"}, {{"s9"}, "x25"}, {{"s10"}, "x26"}, {{"s11"}, "x27"},
+ {{"t3"}, "x28"}, {{"t4"}, "x29"}, {{"t5"}, "x30"}, {{"t6"}, "x31"}};
+ return llvm::makeArrayRef(GCCRegAliases);
+}
+
+void RISCVTargetInfo::getTargetDefines(const LangOptions &Opts,
+ MacroBuilder &Builder) const {
+ Builder.defineMacro("__ELF__");
+ Builder.defineMacro("__riscv");
+ bool Is64Bit = getTriple().getArch() == llvm::Triple::riscv64;
+ Builder.defineMacro("__riscv_xlen", Is64Bit ? "64" : "32");
+ // TODO: modify when more code models and ABIs are supported.
+ Builder.defineMacro("__riscv_cmodel_medlow");
+ Builder.defineMacro("__riscv_float_abi_soft");
+}
Added: cfe/trunk/lib/Basic/Targets/RISCV.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/RISCV.h?rev=322276&view=auto
==============================================================================
--- cfe/trunk/lib/Basic/Targets/RISCV.h (added)
+++ cfe/trunk/lib/Basic/Targets/RISCV.h Thu Jan 11 05:36:56 2018
@@ -0,0 +1,103 @@
+//===--- RISCV.h - Declare RISCV target feature support ---------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares RISCV TargetInfo objects.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
+#define LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
+
+#include "clang/Basic/TargetInfo.h"
+#include "clang/Basic/TargetOptions.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/Compiler.h"
+
+namespace clang {
+namespace targets {
+
+// RISC-V Target
+class RISCVTargetInfo : public TargetInfo {
+protected:
+ std::string ABI;
+
+public:
+ RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
+ : TargetInfo(Triple) {
+ TLSSupported = false;
+ LongDoubleWidth = 128;
+ LongDoubleAlign = 128;
+ LongDoubleFormat = &llvm::APFloat::IEEEquad();
+ SuitableAlign = 128;
+ WCharType = SignedInt;
+ WIntType = UnsignedInt;
+ }
+
+ StringRef getABI() const override { return ABI; }
+ void getTargetDefines(const LangOptions &Opts,
+ MacroBuilder &Builder) const override;
+
+ ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
+
+ BuiltinVaListKind getBuiltinVaListKind() const override {
+ return TargetInfo::VoidPtrBuiltinVaList;
+ }
+
+ const char *getClobbers() const override { return ""; }
+
+ ArrayRef<const char *> getGCCRegNames() const override;
+
+ ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
+
+ bool validateAsmConstraint(const char *&Name,
+ TargetInfo::ConstraintInfo &Info) const override {
+ return false;
+ }
+};
+class LLVM_LIBRARY_VISIBILITY RISCV32TargetInfo : public RISCVTargetInfo {
+public:
+ RISCV32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : RISCVTargetInfo(Triple, Opts) {
+ IntPtrType = SignedInt;
+ PtrDiffType = SignedInt;
+ SizeType = UnsignedInt;
+ resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
+ }
+
+ bool setABI(const std::string &Name) override {
+ // TODO: support ilp32f and ilp32d ABIs.
+ if (Name == "ilp32") {
+ ABI = Name;
+ return true;
+ }
+ return false;
+ }
+};
+class LLVM_LIBRARY_VISIBILITY RISCV64TargetInfo : public RISCVTargetInfo {
+public:
+ RISCV64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
+ : RISCVTargetInfo(Triple, Opts) {
+ LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
+ IntMaxType = Int64Type = SignedLong;
+ resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
+ }
+
+ bool setABI(const std::string &Name) override {
+ // TODO: support lp64f and lp64d ABIs.
+ if (Name == "lp64") {
+ ABI = Name;
+ return true;
+ }
+ return false;
+ }
+};
+} // namespace targets
+} // namespace clang
+
+#endif // LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
Modified: cfe/trunk/lib/Driver/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/CMakeLists.txt?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/CMakeLists.txt (original)
+++ cfe/trunk/lib/Driver/CMakeLists.txt Thu Jan 11 05:36:56 2018
@@ -25,6 +25,7 @@ add_clang_library(clangDriver
ToolChains/Arch/ARM.cpp
ToolChains/Arch/Mips.cpp
ToolChains/Arch/PPC.cpp
+ ToolChains/Arch/RISCV.cpp
ToolChains/Arch/Sparc.cpp
ToolChains/Arch/SystemZ.cpp
ToolChains/Arch/X86.cpp
Added: cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp?rev=322276&view=auto
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp (added)
+++ cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp Thu Jan 11 05:36:56 2018
@@ -0,0 +1,61 @@
+//===--- RISCV.cpp - RISCV Helpers for Tools --------------------*- 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 "clang/Driver/Driver.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Support/TargetParser.h"
+#include "llvm/Support/raw_ostream.h"
+
+using namespace clang::driver;
+using namespace clang::driver::tools;
+using namespace clang;
+using namespace llvm::opt;
+
+void riscv::getRISCVTargetFeatures(const Driver &D, const ArgList &Args,
+ std::vector<StringRef> &Features) {
+ if (const Arg *A = Args.getLastArg(options::OPT_march_EQ)) {
+ StringRef MArch = A->getValue();
+ // TODO: handle rv64
+ std::pair<StringRef, StringRef> MArchSplit = StringRef(MArch).split("rv32");
+ if (!MArchSplit.second.size())
+ return;
+
+ for (char c : MArchSplit.second) {
+ switch (c) {
+ case 'i':
+ break;
+ case 'm':
+ Features.push_back("+m");
+ break;
+ case 'a':
+ Features.push_back("+a");
+ break;
+ case 'f':
+ Features.push_back("+f");
+ break;
+ case 'd':
+ Features.push_back("+d");
+ break;
+ case 'c':
+ Features.push_back("+c");
+ break;
+ }
+ }
+ }
+}
+
+StringRef riscv::getRISCVABI(const ArgList &Args, const llvm::Triple &Triple) {
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
+ return A->getValue();
+
+ return Triple.getArch() == llvm::Triple::riscv32 ? "ilp32" : "lp64";
+}
Added: cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.h?rev=322276&view=auto
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.h (added)
+++ cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.h Thu Jan 11 05:36:56 2018
@@ -0,0 +1,32 @@
+//===--- RISCV.h - RISCV-specific Tool Helpers ------------------*- 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_ARCH_RISCV_H
+#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_RISCV_H
+
+#include "clang/Driver/Driver.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Option/Option.h"
+#include <string>
+#include <vector>
+
+namespace clang {
+namespace driver {
+namespace tools {
+namespace riscv {
+void getRISCVTargetFeatures(const Driver &D, const llvm::opt::ArgList &Args,
+ std::vector<llvm::StringRef> &Features);
+StringRef getRISCVABI(const llvm::opt::ArgList &Args,
+ const llvm::Triple &Triple);
+} // end namespace riscv
+} // namespace tools
+} // end namespace driver
+} // end namespace clang
+
+#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_RISCV_H
Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Thu Jan 11 05:36:56 2018
@@ -12,6 +12,7 @@
#include "Arch/ARM.h"
#include "Arch/Mips.h"
#include "Arch/PPC.h"
+#include "Arch/RISCV.h"
#include "Arch/Sparc.h"
#include "Arch/SystemZ.h"
#include "Arch/X86.h"
@@ -327,6 +328,10 @@ static void getTargetFeatures(const Tool
case llvm::Triple::ppc64le:
ppc::getPPCTargetFeatures(D, Triple, Args, Features);
break;
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64:
+ riscv::getRISCVTargetFeatures(D, Args, Features);
+ break;
case llvm::Triple::systemz:
systemz::getSystemZTargetFeatures(Args, Features);
break;
@@ -547,6 +552,14 @@ static bool useFramePointerForTargetByDe
}
}
+ switch (Triple.getArch()) {
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64:
+ return !areOptimizationsEnabled(Args);
+ default:
+ break;
+ }
+
if (Triple.isOSWindows()) {
switch (Triple.getArch()) {
case llvm::Triple::x86:
@@ -1282,6 +1295,8 @@ static bool isSignedCharDefault(const ll
case llvm::Triple::hexagon:
case llvm::Triple::ppc64le:
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64:
case llvm::Triple::systemz:
case llvm::Triple::xcore:
return false;
@@ -1391,6 +1406,11 @@ void Clang::RenderTargetOptions(const ll
AddPPCTargetArgs(Args, CmdArgs);
break;
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64:
+ AddRISCVTargetArgs(Args, CmdArgs);
+ break;
+
case llvm::Triple::sparc:
case llvm::Triple::sparcel:
case llvm::Triple::sparcv9:
@@ -1668,6 +1688,25 @@ void Clang::AddPPCTargetArgs(const ArgLi
}
}
+void Clang::AddRISCVTargetArgs(const ArgList &Args,
+ ArgStringList &CmdArgs) const {
+ // FIXME: currently defaults to the soft-float ABIs. Will need to be
+ // expanded to select ilp32f, ilp32d, lp64f, lp64d when appropiate.
+ const char *ABIName = nullptr;
+ const llvm::Triple &Triple = getToolChain().getTriple();
+ if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
+ ABIName = A->getValue();
+ else if (Triple.getArch() == llvm::Triple::riscv32)
+ ABIName = "ilp32";
+ else if (Triple.getArch() == llvm::Triple::riscv64)
+ ABIName = "lp64";
+ else
+ llvm_unreachable("Unexpected triple!");
+
+ CmdArgs.push_back("-target-abi");
+ CmdArgs.push_back(ABIName);
+}
+
void Clang::AddSparcTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
sparc::FloatABI FloatABI =
Modified: cfe/trunk/lib/Driver/ToolChains/Clang.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.h?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.h (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.h Thu Jan 11 05:36:56 2018
@@ -60,6 +60,8 @@ private:
llvm::opt::ArgStringList &CmdArgs) const;
void AddR600TargetArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
+ void AddRISCVTargetArgs(const llvm::opt::ArgList &Args,
+ llvm::opt::ArgStringList &CmdArgs) const;
void AddSparcTargetArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
void AddSystemZTargetArgs(const llvm::opt::ArgList &Args,
Modified: cfe/trunk/lib/Driver/ToolChains/Gnu.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Gnu.cpp?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Gnu.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Gnu.cpp Thu Jan 11 05:36:56 2018
@@ -8,13 +8,14 @@
//===----------------------------------------------------------------------===//
#include "Gnu.h"
-#include "Linux.h"
#include "Arch/ARM.h"
#include "Arch/Mips.h"
#include "Arch/PPC.h"
+#include "Arch/RISCV.h"
#include "Arch/Sparc.h"
#include "Arch/SystemZ.h"
#include "CommonArgs.h"
+#include "Linux.h"
#include "clang/Basic/VirtualFileSystem.h"
#include "clang/Config/config.h" // for GCC_INSTALL_PREFIX
#include "clang/Driver/Compilation.h"
@@ -271,6 +272,10 @@ static const char *getLDMOption(const ll
return "elf64ppc";
case llvm::Triple::ppc64le:
return "elf64lppc";
+ case llvm::Triple::riscv32:
+ return "elf32lriscv";
+ case llvm::Triple::riscv64:
+ return "elf64lriscv";
case llvm::Triple::sparc:
case llvm::Triple::sparcel:
return "elf32_sparc";
@@ -856,6 +861,10 @@ static bool isMicroMips(const ArgList &A
return A && A->getOption().matches(options::OPT_mmicromips);
}
+static bool isRISCV(llvm::Triple::ArchType Arch) {
+ return Arch == llvm::Triple::riscv32 || Arch == llvm::Triple::riscv64;
+}
+
static Multilib makeMultilib(StringRef commonSuffix) {
return Multilib(commonSuffix, commonSuffix, commonSuffix);
}
@@ -1401,6 +1410,41 @@ static void findAndroidArmMultilibs(cons
Result.Multilibs = AndroidArmMultilibs;
}
+static void findRISCVMultilibs(const Driver &D,
+ const llvm::Triple &TargetTriple, StringRef Path,
+ const ArgList &Args, DetectedMultilibs &Result) {
+
+ FilterNonExistent NonExistent(Path, "/crtbegin.o", D.getVFS());
+ Multilib Ilp32 = makeMultilib("lib32/ilp32").flag("+m32").flag("+mabi=ilp32");
+ Multilib Ilp32f =
+ makeMultilib("lib32/ilp32f").flag("+m32").flag("+mabi=ilp32f");
+ Multilib Ilp32d =
+ makeMultilib("lib32/ilp32d").flag("+m32").flag("+mabi=ilp32d");
+ Multilib Lp64 = makeMultilib("lib64/lp64").flag("+m64").flag("+mabi=lp64");
+ Multilib Lp64f = makeMultilib("lib64/lp64f").flag("+m64").flag("+mabi=lp64f");
+ Multilib Lp64d = makeMultilib("lib64/lp64d").flag("+m64").flag("+mabi=lp64d");
+ MultilibSet RISCVMultilibs =
+ MultilibSet()
+ .Either({Ilp32, Ilp32f, Ilp32d, Lp64, Lp64f, Lp64d})
+ .FilterOut(NonExistent);
+
+ Multilib::flags_list Flags;
+ bool IsRV64 = TargetTriple.getArch() == llvm::Triple::riscv64;
+ StringRef ABIName = tools::riscv::getRISCVABI(Args, TargetTriple);
+
+ addMultilibFlag(!IsRV64, "m32", Flags);
+ addMultilibFlag(IsRV64, "m64", Flags);
+ addMultilibFlag(ABIName == "ilp32", "mabi=ilp32", Flags);
+ addMultilibFlag(ABIName == "ilp32f", "mabi=ilp32f", Flags);
+ addMultilibFlag(ABIName == "ilp32d", "mabi=ilp32d", Flags);
+ addMultilibFlag(ABIName == "lp64", "mabi=lp64", Flags);
+ addMultilibFlag(ABIName == "lp64f", "mabi=lp64f", Flags);
+ addMultilibFlag(ABIName == "lp64d", "mabi=lp64d", Flags);
+
+ if (RISCVMultilibs.select(Flags, Result.SelectedMultilib))
+ Result.Multilibs = RISCVMultilibs;
+}
+
static bool findBiarchMultilibs(const Driver &D,
const llvm::Triple &TargetTriple,
StringRef Path, const ArgList &Args,
@@ -1783,6 +1827,10 @@ bool Generic_GCC::GCCInstallationDetecto
"powerpc64le-linux-gnu", "powerpc64le-unknown-linux-gnu",
"powerpc64le-suse-linux", "ppc64le-redhat-linux"};
+ static const char *const RISCV32LibDirs[] = {"/lib", "/lib32"};
+ static const char *const RISCVTriples[] = {"riscv32-unknown-linux-gnu",
+ "riscv64-unknown-linux-gnu"};
+
static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",
"sparcv8-linux-gnu"};
@@ -1928,6 +1976,12 @@ bool Generic_GCC::GCCInstallationDetecto
LibDirs.append(begin(PPC64LELibDirs), end(PPC64LELibDirs));
TripleAliases.append(begin(PPC64LETriples), end(PPC64LETriples));
break;
+ case llvm::Triple::riscv32:
+ LibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
+ BiarchLibDirs.append(begin(RISCV32LibDirs), end(RISCV32LibDirs));
+ TripleAliases.append(begin(RISCVTriples), end(RISCVTriples));
+ BiarchTripleAliases.append(begin(RISCVTriples), end(RISCVTriples));
+ break;
case llvm::Triple::sparc:
case llvm::Triple::sparcel:
LibDirs.append(begin(SPARCv8LibDirs), end(SPARCv8LibDirs));
@@ -2025,6 +2079,8 @@ bool Generic_GCC::GCCInstallationDetecto
} else if (tools::isMipsArch(TargetArch)) {
if (!findMIPSMultilibs(D, TargetTriple, Path, Args, Detected))
return false;
+ } else if (isRISCV(TargetArch)) {
+ findRISCVMultilibs(D, TargetTriple, Path, Args, Detected);
} else if (!findBiarchMultilibs(D, TargetTriple, Path, Args,
NeedsBiarchSuffix, Detected)) {
return false;
@@ -2240,6 +2296,8 @@ bool Generic_GCC::IsIntegratedAssemblerD
case llvm::Triple::ppc:
case llvm::Triple::ppc64:
case llvm::Triple::ppc64le:
+ case llvm::Triple::riscv32:
+ case llvm::Triple::riscv64:
case llvm::Triple::systemz:
case llvm::Triple::mips:
case llvm::Triple::mipsel:
Modified: cfe/trunk/lib/Driver/ToolChains/Linux.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Linux.cpp?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Linux.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Linux.cpp Thu Jan 11 05:36:56 2018
@@ -11,6 +11,7 @@
#include "Arch/ARM.h"
#include "Arch/Mips.h"
#include "Arch/PPC.h"
+#include "Arch/RISCV.h"
#include "CommonArgs.h"
#include "clang/Basic/VirtualFileSystem.h"
#include "clang/Config/config.h"
@@ -176,6 +177,9 @@ static StringRef getOSLibDir(const llvm:
Triple.getEnvironment() == llvm::Triple::GNUX32)
return "libx32";
+ if (Triple.getArch() == llvm::Triple::riscv32)
+ return "lib32";
+
return Triple.isArch32Bit() ? "lib" : "lib64";
}
@@ -226,6 +230,8 @@ Linux::Linux(const Driver &D, const llvm
const bool IsAndroid = Triple.isAndroid();
const bool IsMips = tools::isMipsArch(Arch);
const bool IsHexagon = Arch == llvm::Triple::hexagon;
+ const bool IsRISCV =
+ Arch == llvm::Triple::riscv32 || Arch == llvm::Triple::riscv64;
if (IsMips && !SysRoot.empty())
ExtraOpts.push_back("--sysroot=" + SysRoot);
@@ -333,6 +339,11 @@ Linux::Linux(const Driver &D, const llvm
addPathIfExists(D, SysRoot + "/lib/../" + OSLibDir, Paths);
addPathIfExists(D, SysRoot + "/usr/lib/" + MultiarchTriple, Paths);
addPathIfExists(D, SysRoot + "/usr/lib/../" + OSLibDir, Paths);
+ if (IsRISCV) {
+ StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
+ addPathIfExists(D, SysRoot + "/" + OSLibDir + "/" + ABIName, Paths);
+ addPathIfExists(D, SysRoot + "/usr/" + OSLibDir + "/" + ABIName, Paths);
+ }
// Try walking via the GCC triple path in case of biarch or multiarch GCC
// installations with strange symlinks.
@@ -511,6 +522,18 @@ std::string Linux::getDynamicLinker(cons
Loader =
(tools::ppc::hasPPCAbiArg(Args, "elfv1")) ? "ld64.so.1" : "ld64.so.2";
break;
+ case llvm::Triple::riscv32: {
+ StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
+ LibDir = "lib";
+ Loader = ("ld-linux-riscv32-" + ABIName + ".so.1").str();
+ break;
+ }
+ case llvm::Triple::riscv64: {
+ StringRef ABIName = tools::riscv::getRISCVABI(Args, Triple);
+ LibDir = "lib";
+ Loader = ("ld-linux-riscv64-" + ABIName + ".so.1").str();
+ break;
+ }
case llvm::Triple::sparc:
case llvm::Triple::sparcel:
LibDir = "lib";
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/bin/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/bin/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/include/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/include/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld?rev=322276&view=auto
==============================================================================
--- cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld (added)
+++ cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld Thu Jan 11 05:36:56 2018
@@ -0,0 +1 @@
+#!/bin/true
Propchange: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/riscv64-unknown-linux-gnu/bin/ld
------------------------------------------------------------------------------
svn:executable = *
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32d/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32d/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64d/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/lib64/lp64d/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64/.keep?rev=322276&view=auto
==============================================================================
(empty)
Added: cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64d/.keep
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib64/lp64d/.keep?rev=322276&view=auto
==============================================================================
(empty)
Modified: cfe/trunk/test/Driver/frame-pointer.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/frame-pointer.c?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/test/Driver/frame-pointer.c (original)
+++ cfe/trunk/test/Driver/frame-pointer.c Thu Jan 11 05:36:56 2018
@@ -33,6 +33,18 @@
// RUN: %clang -target mips64el-linux-gnu -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s
// RUN: %clang -target mips64el-linux-gnu -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-32 %s
+// RUN: %clang -target riscv32-unknown-elf -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s
+// RUN: %clang -target riscv32-unknown-elf -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-32 %s
+// RUN: %clang -target riscv32-unknown-elf -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-32 %s
+// RUN: %clang -target riscv32-unknown-elf -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK3-32 %s
+// RUN: %clang -target riscv32-unknown-elf -### -S -Os %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECKs-32 %s
+
+// RUN: %clang -target riscv64-unknown-elf -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
+// RUN: %clang -target riscv64-unknown-elf -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
+// RUN: %clang -target riscv64-unknown-elf -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-64 %s
+// RUN: %clang -target riscv64-unknown-elf -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK3-64 %s
+// RUN: %clang -target riscv64-unknown-elf -### -S -Os %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECKs-64 %s
+
// CHECK0-32: -mdisable-fp-elim
// CHECK1-32-NOT: -mdisable-fp-elim
// CHECK2-32-NOT: -mdisable-fp-elim
Added: cfe/trunk/test/Driver/riscv-abi.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv-abi.c?rev=322276&view=auto
==============================================================================
--- cfe/trunk/test/Driver/riscv-abi.c (added)
+++ cfe/trunk/test/Driver/riscv-abi.c Thu Jan 11 05:36:56 2018
@@ -0,0 +1,47 @@
+// RUN: %clang -target riscv32-unknown-elf %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ILP32 %s
+// RUN: %clang -target riscv32-unknown-elf %s -### -o %t.o -mabi=ilp32 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ILP32 %s
+
+// CHECK-ILP32: "-target-abi" "ilp32"
+
+// TODO: ilp32f support.
+// RUN: not %clang -target riscv32-unknown-elf %s -o %t.o -mabi=ilp32f 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ILP32F %s
+
+// CHECK-ILP32F: error: unknown target ABI 'ilp32f'
+
+// TODO: ilp32d support.
+// RUN: not %clang -target riscv32-unknown-elf %s -o %t.o -mabi=ilp32d 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-ILP32D %s
+
+// CHECK-ILP32D: error: unknown target ABI 'ilp32d'
+
+// RUN: not %clang -target riscv32-unknown-elf %s -o %t.o -mabi=lp64 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-RV32-LP64 %s
+
+// CHECK-RV32-LP64: error: unknown target ABI 'lp64'
+
+// RUN: %clang -target riscv64-unknown-elf %s -### -o %t.o 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-LP64 %s
+// RUN: %clang -target riscv64-unknown-elf %s -### -o %t.o -mabi=lp64 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-LP64 %s
+
+// CHECK-LP64: "-target-abi" "lp64"
+
+// TODO: lp64f support.
+// RUN: not %clang -target riscv64-unknown-elf %s -o %t.o -mabi=lp64f 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-LP64F %s
+
+// CHECK-LP64F: error: unknown target ABI 'lp64f'
+
+// TODO: lp64d support.
+// RUN: not %clang -target riscv64-unknown-elf %s -o %t.o -mabi=lp64d 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-LP64D %s
+
+// CHECK-LP64D: error: unknown target ABI 'lp64d'
+
+// RUN: not %clang -target riscv64-unknown-elf %s -o %t.o -mabi=ilp32 2>&1 \
+// RUN: | FileCheck -check-prefix=CHECK-RV64-ILP32 %s
+
+// CHECK-RV64-ILP32: error: unknown target ABI 'ilp32'
Added: cfe/trunk/test/Driver/riscv-features.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv-features.c?rev=322276&view=auto
==============================================================================
--- cfe/trunk/test/Driver/riscv-features.c (added)
+++ cfe/trunk/test/Driver/riscv-features.c Thu Jan 11 05:36:56 2018
@@ -0,0 +1,4 @@
+// RUN: %clang -target riscv32-unknown-elf -### %s -fsyntax-only 2>&1 | FileCheck %s
+// RUN: %clang -target riscv64-unknown-elf -### %s -fsyntax-only 2>&1 | FileCheck %s
+
+// CHECK: fno-signed-char
Added: cfe/trunk/test/Driver/riscv32-toolchain.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv32-toolchain.c?rev=322276&view=auto
==============================================================================
--- cfe/trunk/test/Driver/riscv32-toolchain.c (added)
+++ cfe/trunk/test/Driver/riscv32-toolchain.c Thu Jan 11 05:36:56 2018
@@ -0,0 +1,75 @@
+// A basic clang -cc1 command-line, and simple environment check.
+
+// 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-linux-unknown-elf \
+// RUN: --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
+// RUN: --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
+// RUN: | FileCheck -check-prefix=CC1-RV32-LINUX-ILP32 %s
+
+// CC1-RV32-LINUX-ILP32: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../../../riscv64-unknown-linux-gnu/bin/ld"
+// CC1-RV32-LINUX-ILP32: "--sysroot={{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot"
+// CC1-RV32-LINUX-ILP32: "-m" "elf32lriscv"
+// CC1-RV32-LINUX-ILP32: "-dynamic-linker" "/lib/ld-linux-riscv32-ilp32.so.1"
+// CC1-RV32-LINUX-ILP32: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32/crtbegin.o"
+// CC1-RV32-LINUX-ILP32: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32"
+// CC1-RV32-LINUX-ILP32: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32"
+// CC1-RV32-LINUX-ILP32: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32"
+
+// RUN: %clang %s -### -no-canonical-prefixes \
+// RUN: -target riscv32-linux-unknown-elf -march=rv32imafd -mabi=ilp32d \
+// RUN: --gcc-toolchain=%S/Inputs/multilib_riscv_linux_sdk \
+// RUN: --sysroot=%S/Inputs/multilib_riscv_linux_sdk/sysroot 2>&1 \
+// RUN: | FileCheck -check-prefix=CC1-RV32-LINUX-ILP32D %s
+
+// CC1-RV32-LINUX-ILP32D: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/../../../../riscv64-unknown-linux-gnu/bin/ld"
+// CC1-RV32-LINUX-ILP32D: "--sysroot={{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot"
+// CC1-RV32-LINUX-ILP32D: "-m" "elf32lriscv"
+// CC1-RV32-LINUX-ILP32D: "-dynamic-linker" "/lib/ld-linux-riscv32-ilp32d.so.1"
+// CC1-RV32-LINUX-ILP32D: "{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32d/crtbegin.o"
+// CC1-RV32-LINUX-ILP32D: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/lib/gcc/riscv64-unknown-linux-gnu/7.2.0/lib32/ilp32d"
+// CC1-RV32-LINUX-ILP32D: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/lib32/ilp32d"
+// CC1-RV32-LINUX-ILP32D: "-L{{.*}}/Inputs/multilib_riscv_linux_sdk/sysroot/usr/lib32/ilp32d"
+
+// RUN: %clang -target riscv32 %s -emit-llvm -S -o - | FileCheck %s
+
+typedef __builtin_va_list va_list;
+typedef __SIZE_TYPE__ size_t;
+typedef __PTRDIFF_TYPE__ ptrdiff_t;
+typedef __WCHAR_TYPE__ wchar_t;
+
+// CHECK: @align_c = global i32 1
+int align_c = __alignof(char);
+
+// CHECK: @align_s = global i32 2
+int align_s = __alignof(short);
+
+// CHECK: @align_i = global i32 4
+int align_i = __alignof(int);
+
+// CHECK: @align_wc = global i32 4
+int align_wc = __alignof(wchar_t);
+
+// CHECK: @align_l = global i32 4
+int align_l = __alignof(long);
+
+// CHECK: @align_ll = global i32 8
+int align_ll = __alignof(long long);
+
+// CHECK: @align_p = global i32 4
+int align_p = __alignof(void*);
+
+// CHECK: @align_f = global i32 4
+int align_f = __alignof(float);
+
+// CHECK: @align_d = global i32 8
+int align_d = __alignof(double);
+
+// CHECK: @align_ld = global i32 16
+int align_ld = __alignof(long double);
+
+// CHECK: @align_vl = global i32 4
+int align_vl = __alignof(va_list);
Added: cfe/trunk/test/Driver/riscv64-toolchain.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/riscv64-toolchain.c?rev=322276&view=auto
==============================================================================
--- cfe/trunk/test/Driver/riscv64-toolchain.c (added)
+++ cfe/trunk/test/Driver/riscv64-toolchain.c Thu Jan 11 05:36:56 2018
@@ -0,0 +1,44 @@
+// A basic clang -cc1 command-line, and simple environment check.
+
+// RUN: %clang %s -### -no-canonical-prefixes -target riscv64 2>&1 | FileCheck -check-prefix=CC1 %s
+// CC1: clang{{.*}} "-cc1" "-triple" "riscv64"
+
+// RUN: %clang -target riscv64 %s -emit-llvm -S -o - | FileCheck %s
+
+typedef __builtin_va_list va_list;
+typedef __SIZE_TYPE__ size_t;
+typedef __PTRDIFF_TYPE__ ptrdiff_t;
+typedef __WCHAR_TYPE__ wchar_t;
+
+// CHECK: @align_c = global i32 1
+int align_c = __alignof(char);
+
+// CHECK: @align_s = global i32 2
+int align_s = __alignof(short);
+
+// CHECK: @align_i = global i32 4
+int align_i = __alignof(int);
+
+// CHECK: @align_wc = global i32 4
+int align_wc = __alignof(wchar_t);
+
+// CHECK: @align_l = global i32 8
+int align_l = __alignof(long);
+
+// CHECK: @align_ll = global i32 8
+int align_ll = __alignof(long long);
+
+// CHECK: @align_p = global i32 8
+int align_p = __alignof(void*);
+
+// CHECK: @align_f = global i32 4
+int align_f = __alignof(float);
+
+// CHECK: @align_d = global i32 8
+int align_d = __alignof(double);
+
+// CHECK: @align_ld = global i32 16
+int align_ld = __alignof(long double);
+
+// CHECK: @align_vl = global i32 8
+int align_vl = __alignof(va_list);
Modified: cfe/trunk/test/Preprocessor/init.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=322276&r1=322275&r2=322276&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Thu Jan 11 05:36:56 2018
@@ -10003,3 +10003,398 @@
// ARM-DARWIN-BAREMETAL-64: #define __PTRDIFF_TYPE__ long int
// ARM-DARWIN-BAREMETAL-64: #define __SIZE_TYPE__ long unsigned int
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=riscv32 < /dev/null \
+// RUN: | FileCheck -match-full-lines -check-prefix=RISCV32 %s
+// RISCV32: #define _ILP32 1
+// RISCV32: #define __ATOMIC_ACQUIRE 2
+// RISCV32: #define __ATOMIC_ACQ_REL 4
+// RISCV32: #define __ATOMIC_CONSUME 1
+// RISCV32: #define __ATOMIC_RELAXED 0
+// RISCV32: #define __ATOMIC_RELEASE 3
+// RISCV32: #define __ATOMIC_SEQ_CST 5
+// RISCV32: #define __BIGGEST_ALIGNMENT__ 16
+// RISCV32: #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
+// RISCV32: #define __CHAR16_TYPE__ unsigned short
+// RISCV32: #define __CHAR32_TYPE__ unsigned int
+// RISCV32: #define __CHAR_BIT__ 8
+// RISCV32: #define __DBL_DECIMAL_DIG__ 17
+// RISCV32: #define __DBL_DENORM_MIN__ 4.9406564584124654e-324
+// RISCV32: #define __DBL_DIG__ 15
+// RISCV32: #define __DBL_EPSILON__ 2.2204460492503131e-16
+// RISCV32: #define __DBL_HAS_DENORM__ 1
+// RISCV32: #define __DBL_HAS_INFINITY__ 1
+// RISCV32: #define __DBL_HAS_QUIET_NAN__ 1
+// RISCV32: #define __DBL_MANT_DIG__ 53
+// RISCV32: #define __DBL_MAX_10_EXP__ 308
+// RISCV32: #define __DBL_MAX_EXP__ 1024
+// RISCV32: #define __DBL_MAX__ 1.7976931348623157e+308
+// RISCV32: #define __DBL_MIN_10_EXP__ (-307)
+// RISCV32: #define __DBL_MIN_EXP__ (-1021)
+// RISCV32: #define __DBL_MIN__ 2.2250738585072014e-308
+// RISCV32: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
+// RISCV32: #define __ELF__ 1
+// RISCV32: #define __FINITE_MATH_ONLY__ 0
+// RISCV32: #define __FLT_DECIMAL_DIG__ 9
+// RISCV32: #define __FLT_DENORM_MIN__ 1.40129846e-45F
+// RISCV32: #define __FLT_DIG__ 6
+// RISCV32: #define __FLT_EPSILON__ 1.19209290e-7F
+// RISCV32: #define __FLT_EVAL_METHOD__ 0
+// RISCV32: #define __FLT_HAS_DENORM__ 1
+// RISCV32: #define __FLT_HAS_INFINITY__ 1
+// RISCV32: #define __FLT_HAS_QUIET_NAN__ 1
+// RISCV32: #define __FLT_MANT_DIG__ 24
+// RISCV32: #define __FLT_MAX_10_EXP__ 38
+// RISCV32: #define __FLT_MAX_EXP__ 128
+// RISCV32: #define __FLT_MAX__ 3.40282347e+38F
+// RISCV32: #define __FLT_MIN_10_EXP__ (-37)
+// RISCV32: #define __FLT_MIN_EXP__ (-125)
+// RISCV32: #define __FLT_MIN__ 1.17549435e-38F
+// RISCV32: #define __FLT_RADIX__ 2
+// RISCV32: #define __GCC_ATOMIC_BOOL_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_CHAR_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_INT_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_LLONG_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_LONG_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_POINTER_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_SHORT_LOCK_FREE 1
+// RISCV32: #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
+// RISCV32: #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 1
+// RISCV32: #define __GNUC_MINOR__ {{.*}}
+// RISCV32: #define __GNUC_PATCHLEVEL__ {{.*}}
+// RISCV32: #define __GNUC_STDC_INLINE__ 1
+// RISCV32: #define __GNUC__ {{.*}}
+// RISCV32: #define __GXX_ABI_VERSION {{.*}}
+// RISCV32: #define __ILP32__ 1
+// RISCV32: #define __INT16_C_SUFFIX__
+// RISCV32: #define __INT16_MAX__ 32767
+// RISCV32: #define __INT16_TYPE__ short
+// RISCV32: #define __INT32_C_SUFFIX__
+// RISCV32: #define __INT32_MAX__ 2147483647
+// RISCV32: #define __INT32_TYPE__ int
+// RISCV32: #define __INT64_C_SUFFIX__ LL
+// RISCV32: #define __INT64_MAX__ 9223372036854775807LL
+// RISCV32: #define __INT64_TYPE__ long long int
+// RISCV32: #define __INT8_C_SUFFIX__
+// RISCV32: #define __INT8_MAX__ 127
+// RISCV32: #define __INT8_TYPE__ signed char
+// RISCV32: #define __INTMAX_C_SUFFIX__ LL
+// RISCV32: #define __INTMAX_MAX__ 9223372036854775807LL
+// RISCV32: #define __INTMAX_TYPE__ long long int
+// RISCV32: #define __INTMAX_WIDTH__ 64
+// RISCV32: #define __INTPTR_MAX__ 2147483647
+// RISCV32: #define __INTPTR_TYPE__ int
+// RISCV32: #define __INTPTR_WIDTH__ 32
+// TODO: RISC-V GCC defines INT_FAST16 as int
+// RISCV32: #define __INT_FAST16_MAX__ 32767
+// RISCV32: #define __INT_FAST16_TYPE__ short
+// RISCV32: #define __INT_FAST32_MAX__ 2147483647
+// RISCV32: #define __INT_FAST32_TYPE__ int
+// RISCV32: #define __INT_FAST64_MAX__ 9223372036854775807LL
+// RISCV32: #define __INT_FAST64_TYPE__ long long int
+// TODO: RISC-V GCC defines INT_FAST8 as int
+// RISCV32: #define __INT_FAST8_MAX__ 127
+// RISCV32: #define __INT_FAST8_TYPE__ signed char
+// RISCV32: #define __INT_LEAST16_MAX__ 32767
+// RISCV32: #define __INT_LEAST16_TYPE__ short
+// RISCV32: #define __INT_LEAST32_MAX__ 2147483647
+// RISCV32: #define __INT_LEAST32_TYPE__ int
+// RISCV32: #define __INT_LEAST64_MAX__ 9223372036854775807LL
+// RISCV32: #define __INT_LEAST64_TYPE__ long long int
+// RISCV32: #define __INT_LEAST8_MAX__ 127
+// RISCV32: #define __INT_LEAST8_TYPE__ signed char
+// RISCV32: #define __INT_MAX__ 2147483647
+// RISCV32: #define __LDBL_DECIMAL_DIG__ 36
+// RISCV32: #define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L
+// RISCV32: #define __LDBL_DIG__ 33
+// RISCV32: #define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L
+// RISCV32: #define __LDBL_HAS_DENORM__ 1
+// RISCV32: #define __LDBL_HAS_INFINITY__ 1
+// RISCV32: #define __LDBL_HAS_QUIET_NAN__ 1
+// RISCV32: #define __LDBL_MANT_DIG__ 113
+// RISCV32: #define __LDBL_MAX_10_EXP__ 4932
+// RISCV32: #define __LDBL_MAX_EXP__ 16384
+// RISCV32: #define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L
+// RISCV32: #define __LDBL_MIN_10_EXP__ (-4931)
+// RISCV32: #define __LDBL_MIN_EXP__ (-16381)
+// RISCV32: #define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
+// RISCV32: #define __LITTLE_ENDIAN__ 1
+// RISCV32: #define __LONG_LONG_MAX__ 9223372036854775807LL
+// RISCV32: #define __LONG_MAX__ 2147483647L
+// RISCV32: #define __NO_INLINE__ 1
+// RISCV32: #define __POINTER_WIDTH__ 32
+// RISCV32: #define __PRAGMA_REDEFINE_EXTNAME 1
+// RISCV32: #define __PTRDIFF_MAX__ 2147483647
+// RISCV32: #define __PTRDIFF_TYPE__ int
+// RISCV32: #define __PTRDIFF_WIDTH__ 32
+// RISCV32: #define __SCHAR_MAX__ 127
+// RISCV32: #define __SHRT_MAX__ 32767
+// RISCV32: #define __SIG_ATOMIC_MAX__ 2147483647
+// RISCV32: #define __SIG_ATOMIC_WIDTH__ 32
+// RISCV32: #define __SIZEOF_DOUBLE__ 8
+// RISCV32: #define __SIZEOF_FLOAT__ 4
+// RISCV32: #define __SIZEOF_INT__ 4
+// RISCV32: #define __SIZEOF_LONG_DOUBLE__ 16
+// RISCV32: #define __SIZEOF_LONG_LONG__ 8
+// RISCV32: #define __SIZEOF_LONG__ 4
+// RISCV32: #define __SIZEOF_POINTER__ 4
+// RISCV32: #define __SIZEOF_PTRDIFF_T__ 4
+// RISCV32: #define __SIZEOF_SHORT__ 2
+// RISCV32: #define __SIZEOF_SIZE_T__ 4
+// RISCV32: #define __SIZEOF_WCHAR_T__ 4
+// RISCV32: #define __SIZEOF_WINT_T__ 4
+// RISCV32: #define __SIZE_MAX__ 4294967295U
+// RISCV32: #define __SIZE_TYPE__ unsigned int
+// RISCV32: #define __SIZE_WIDTH__ 32
+// RISCV32: #define __STDC_HOSTED__ 0
+// RISCV32: #define __STDC_UTF_16__ 1
+// RISCV32: #define __STDC_UTF_32__ 1
+// RISCV32: #define __STDC_VERSION__ 201112L
+// RISCV32: #define __STDC__ 1
+// RISCV32: #define __UINT16_C_SUFFIX__
+// RISCV32: #define __UINT16_MAX__ 65535
+// RISCV32: #define __UINT16_TYPE__ unsigned short
+// RISCV32: #define __UINT32_C_SUFFIX__ U
+// RISCV32: #define __UINT32_MAX__ 4294967295U
+// RISCV32: #define __UINT32_TYPE__ unsigned int
+// RISCV32: #define __UINT64_C_SUFFIX__ ULL
+// RISCV32: #define __UINT64_MAX__ 18446744073709551615ULL
+// RISCV32: #define __UINT64_TYPE__ long long unsigned int
+// RISCV32: #define __UINT8_C_SUFFIX__
+// RISCV32: #define __UINT8_MAX__ 255
+// RISCV32: #define __UINT8_TYPE__ unsigned char
+// RISCV32: #define __UINTMAX_C_SUFFIX__ ULL
+// RISCV32: #define __UINTMAX_MAX__ 18446744073709551615ULL
+// RISCV32: #define __UINTMAX_TYPE__ long long unsigned int
+// RISCV32: #define __UINTMAX_WIDTH__ 64
+// RISCV32: #define __UINTPTR_MAX__ 4294967295U
+// RISCV32: #define __UINTPTR_TYPE__ unsigned int
+// RISCV32: #define __UINTPTR_WIDTH__ 32
+// TODO: RISC-V GCC defines UINT_FAST16 to be unsigned int
+// RISCV32: #define __UINT_FAST16_MAX__ 65535
+// RISCV32: #define __UINT_FAST16_TYPE__ unsigned short
+// RISCV32: #define __UINT_FAST32_MAX__ 4294967295U
+// RISCV32: #define __UINT_FAST32_TYPE__ unsigned int
+// RISCV32: #define __UINT_FAST64_MAX__ 18446744073709551615ULL
+// RISCV32: #define __UINT_FAST64_TYPE__ long long unsigned int
+// TODO: RISC-V GCC defines UINT_FAST8 to be unsigned int
+// RISCV32: #define __UINT_FAST8_MAX__ 255
+// RISCV32: #define __UINT_FAST8_TYPE__ unsigned char
+// RISCV32: #define __UINT_LEAST16_MAX__ 65535
+// RISCV32: #define __UINT_LEAST16_TYPE__ unsigned short
+// RISCV32: #define __UINT_LEAST32_MAX__ 4294967295U
+// RISCV32: #define __UINT_LEAST32_TYPE__ unsigned int
+// RISCV32: #define __UINT_LEAST64_MAX__ 18446744073709551615ULL
+// RISCV32: #define __UINT_LEAST64_TYPE__ long long unsigned int
+// RISCV32: #define __UINT_LEAST8_MAX__ 255
+// RISCV32: #define __UINT_LEAST8_TYPE__ unsigned char
+// RISCV32: #define __USER_LABEL_PREFIX__
+// RISCV32: #define __WCHAR_MAX__ 2147483647
+// RISCV32: #define __WCHAR_TYPE__ int
+// RISCV32: #define __WCHAR_WIDTH__ 32
+// RISCV32: #define __WINT_TYPE__ unsigned int
+// RISCV32: #define __WINT_UNSIGNED__ 1
+// RISCV32: #define __WINT_WIDTH__ 32
+// RISCV32: #define __riscv 1
+// RISCV32: #define __riscv_cmodel_medlow 1
+// RISCV32: #define __riscv_float_abi_soft 1
+// RISCV32: #define __riscv_xlen 32
+
+// RUN: %clang_cc1 -E -dM -ffreestanding -triple=riscv64 < /dev/null \
+// RUN: | FileCheck -match-full-lines -check-prefix=RISCV64 %s
+// RISCV64: #define _LP64 1
+// RISCV64: #define __ATOMIC_ACQUIRE 2
+// RISCV64: #define __ATOMIC_ACQ_REL 4
+// RISCV64: #define __ATOMIC_CONSUME 1
+// RISCV64: #define __ATOMIC_RELAXED 0
+// RISCV64: #define __ATOMIC_RELEASE 3
+// RISCV64: #define __ATOMIC_SEQ_CST 5
+// RISCV64: #define __BIGGEST_ALIGNMENT__ 16
+// RISCV64: #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
+// RISCV64: #define __CHAR16_TYPE__ unsigned short
+// RISCV64: #define __CHAR32_TYPE__ unsigned int
+// RISCV64: #define __CHAR_BIT__ 8
+// RISCV64: #define __DBL_DECIMAL_DIG__ 17
+// RISCV64: #define __DBL_DENORM_MIN__ 4.9406564584124654e-324
+// RISCV64: #define __DBL_DIG__ 15
+// RISCV64: #define __DBL_EPSILON__ 2.2204460492503131e-16
+// RISCV64: #define __DBL_HAS_DENORM__ 1
+// RISCV64: #define __DBL_HAS_INFINITY__ 1
+// RISCV64: #define __DBL_HAS_QUIET_NAN__ 1
+// RISCV64: #define __DBL_MANT_DIG__ 53
+// RISCV64: #define __DBL_MAX_10_EXP__ 308
+// RISCV64: #define __DBL_MAX_EXP__ 1024
+// RISCV64: #define __DBL_MAX__ 1.7976931348623157e+308
+// RISCV64: #define __DBL_MIN_10_EXP__ (-307)
+// RISCV64: #define __DBL_MIN_EXP__ (-1021)
+// RISCV64: #define __DBL_MIN__ 2.2250738585072014e-308
+// RISCV64: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
+// RISCV64: #define __ELF__ 1
+// RISCV64: #define __FINITE_MATH_ONLY__ 0
+// RISCV64: #define __FLT_DECIMAL_DIG__ 9
+// RISCV64: #define __FLT_DENORM_MIN__ 1.40129846e-45F
+// RISCV64: #define __FLT_DIG__ 6
+// RISCV64: #define __FLT_EPSILON__ 1.19209290e-7F
+// RISCV64: #define __FLT_EVAL_METHOD__ 0
+// RISCV64: #define __FLT_HAS_DENORM__ 1
+// RISCV64: #define __FLT_HAS_INFINITY__ 1
+// RISCV64: #define __FLT_HAS_QUIET_NAN__ 1
+// RISCV64: #define __FLT_MANT_DIG__ 24
+// RISCV64: #define __FLT_MAX_10_EXP__ 38
+// RISCV64: #define __FLT_MAX_EXP__ 128
+// RISCV64: #define __FLT_MAX__ 3.40282347e+38F
+// RISCV64: #define __FLT_MIN_10_EXP__ (-37)
+// RISCV64: #define __FLT_MIN_EXP__ (-125)
+// RISCV64: #define __FLT_MIN__ 1.17549435e-38F
+// RISCV64: #define __FLT_RADIX__ 2
+// RISCV64: #define __GCC_ATOMIC_BOOL_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_CHAR_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_INT_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_LLONG_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_LONG_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_POINTER_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_SHORT_LOCK_FREE 1
+// RISCV64: #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
+// RISCV64: #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 1
+// RISCV64: #define __GNUC_MINOR__ {{.*}}
+// RISCV64: #define __GNUC_PATCHLEVEL__ {{.*}}
+// RISCV64: #define __GNUC_STDC_INLINE__ 1
+// RISCV64: #define __GNUC__ {{.*}}
+// RISCV64: #define __GXX_ABI_VERSION {{.*}}
+// RISCV64: #define __INT16_C_SUFFIX__
+// RISCV64: #define __INT16_MAX__ 32767
+// RISCV64: #define __INT16_TYPE__ short
+// RISCV64: #define __INT32_C_SUFFIX__
+// RISCV64: #define __INT32_MAX__ 2147483647
+// RISCV64: #define __INT32_TYPE__ int
+// RISCV64: #define __INT64_C_SUFFIX__ L
+// RISCV64: #define __INT64_MAX__ 9223372036854775807L
+// RISCV64: #define __INT64_TYPE__ long int
+// RISCV64: #define __INT8_C_SUFFIX__
+// RISCV64: #define __INT8_MAX__ 127
+// RISCV64: #define __INT8_TYPE__ signed char
+// RISCV64: #define __INTMAX_C_SUFFIX__ L
+// RISCV64: #define __INTMAX_MAX__ 9223372036854775807L
+// RISCV64: #define __INTMAX_TYPE__ long int
+// RISCV64: #define __INTMAX_WIDTH__ 64
+// RISCV64: #define __INTPTR_MAX__ 9223372036854775807L
+// RISCV64: #define __INTPTR_TYPE__ long int
+// RISCV64: #define __INTPTR_WIDTH__ 64
+// TODO: RISC-V GCC defines INT_FAST16 as int
+// RISCV64: #define __INT_FAST16_MAX__ 32767
+// RISCV64: #define __INT_FAST16_TYPE__ short
+// RISCV64: #define __INT_FAST32_MAX__ 2147483647
+// RISCV64: #define __INT_FAST32_TYPE__ int
+// RISCV64: #define __INT_FAST64_MAX__ 9223372036854775807L
+// RISCV64: #define __INT_FAST64_TYPE__ long int
+// TODO: RISC-V GCC defines INT_FAST8 as int
+// RISCV64: #define __INT_FAST8_MAX__ 127
+// RISCV64: #define __INT_FAST8_TYPE__ signed char
+// RISCV64: #define __INT_LEAST16_MAX__ 32767
+// RISCV64: #define __INT_LEAST16_TYPE__ short
+// RISCV64: #define __INT_LEAST32_MAX__ 2147483647
+// RISCV64: #define __INT_LEAST32_TYPE__ int
+// RISCV64: #define __INT_LEAST64_MAX__ 9223372036854775807L
+// RISCV64: #define __INT_LEAST64_TYPE__ long int
+// RISCV64: #define __INT_LEAST8_MAX__ 127
+// RISCV64: #define __INT_LEAST8_TYPE__ signed char
+// RISCV64: #define __INT_MAX__ 2147483647
+// RISCV64: #define __LDBL_DECIMAL_DIG__ 36
+// RISCV64: #define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L
+// RISCV64: #define __LDBL_DIG__ 33
+// RISCV64: #define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L
+// RISCV64: #define __LDBL_HAS_DENORM__ 1
+// RISCV64: #define __LDBL_HAS_INFINITY__ 1
+// RISCV64: #define __LDBL_HAS_QUIET_NAN__ 1
+// RISCV64: #define __LDBL_MANT_DIG__ 113
+// RISCV64: #define __LDBL_MAX_10_EXP__ 4932
+// RISCV64: #define __LDBL_MAX_EXP__ 16384
+// RISCV64: #define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L
+// RISCV64: #define __LDBL_MIN_10_EXP__ (-4931)
+// RISCV64: #define __LDBL_MIN_EXP__ (-16381)
+// RISCV64: #define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
+// RISCV64: #define __LITTLE_ENDIAN__ 1
+// RISCV64: #define __LONG_LONG_MAX__ 9223372036854775807LL
+// RISCV64: #define __LONG_MAX__ 9223372036854775807L
+// RISCV64: #define __LP64__ 1
+// RISCV64: #define __NO_INLINE__ 1
+// RISCV64: #define __POINTER_WIDTH__ 64
+// RISCV64: #define __PRAGMA_REDEFINE_EXTNAME 1
+// RISCV64: #define __PTRDIFF_MAX__ 9223372036854775807L
+// RISCV64: #define __PTRDIFF_TYPE__ long int
+// RISCV64: #define __PTRDIFF_WIDTH__ 64
+// RISCV64: #define __SCHAR_MAX__ 127
+// RISCV64: #define __SHRT_MAX__ 32767
+// RISCV64: #define __SIG_ATOMIC_MAX__ 2147483647
+// RISCV64: #define __SIG_ATOMIC_WIDTH__ 32
+// RISCV64: #define __SIZEOF_DOUBLE__ 8
+// RISCV64: #define __SIZEOF_FLOAT__ 4
+// RISCV64: #define __SIZEOF_INT__ 4
+// RISCV64: #define __SIZEOF_LONG_DOUBLE__ 16
+// RISCV64: #define __SIZEOF_LONG_LONG__ 8
+// RISCV64: #define __SIZEOF_LONG__ 8
+// RISCV64: #define __SIZEOF_POINTER__ 8
+// RISCV64: #define __SIZEOF_PTRDIFF_T__ 8
+// RISCV64: #define __SIZEOF_SHORT__ 2
+// RISCV64: #define __SIZEOF_SIZE_T__ 8
+// RISCV64: #define __SIZEOF_WCHAR_T__ 4
+// RISCV64: #define __SIZEOF_WINT_T__ 4
+// RISCV64: #define __SIZE_MAX__ 18446744073709551615UL
+// RISCV64: #define __SIZE_TYPE__ long unsigned int
+// RISCV64: #define __SIZE_WIDTH__ 64
+// RISCV64: #define __STDC_HOSTED__ 0
+// RISCV64: #define __STDC_UTF_16__ 1
+// RISCV64: #define __STDC_UTF_32__ 1
+// RISCV64: #define __STDC_VERSION__ 201112L
+// RISCV64: #define __STDC__ 1
+// RISCV64: #define __UINT16_C_SUFFIX__
+// RISCV64: #define __UINT16_MAX__ 65535
+// RISCV64: #define __UINT16_TYPE__ unsigned short
+// RISCV64: #define __UINT32_C_SUFFIX__ U
+// RISCV64: #define __UINT32_MAX__ 4294967295U
+// RISCV64: #define __UINT32_TYPE__ unsigned int
+// RISCV64: #define __UINT64_C_SUFFIX__ UL
+// RISCV64: #define __UINT64_MAX__ 18446744073709551615UL
+// RISCV64: #define __UINT64_TYPE__ long unsigned int
+// RISCV64: #define __UINT8_C_SUFFIX__
+// RISCV64: #define __UINT8_MAX__ 255
+// RISCV64: #define __UINT8_TYPE__ unsigned char
+// RISCV64: #define __UINTMAX_C_SUFFIX__ UL
+// RISCV64: #define __UINTMAX_MAX__ 18446744073709551615UL
+// RISCV64: #define __UINTMAX_TYPE__ long unsigned int
+// RISCV64: #define __UINTMAX_WIDTH__ 64
+// RISCV64: #define __UINTPTR_MAX__ 18446744073709551615UL
+// RISCV64: #define __UINTPTR_TYPE__ long unsigned int
+// RISCV64: #define __UINTPTR_WIDTH__ 64
+// TODO: RISC-V GCC defines UINT_FAST16 to be unsigned int
+// RISCV64: #define __UINT_FAST16_MAX__ 65535
+// RISCV64: #define __UINT_FAST16_TYPE__ unsigned short
+// RISCV64: #define __UINT_FAST32_MAX__ 4294967295U
+// RISCV64: #define __UINT_FAST32_TYPE__ unsigned int
+// RISCV64: #define __UINT_FAST64_MAX__ 18446744073709551615UL
+// RISCV64: #define __UINT_FAST64_TYPE__ long unsigned int
+// TODO: RISC-V GCC defines UINT_FAST8 to be unsigned int
+// RISCV64: #define __UINT_FAST8_MAX__ 255
+// RISCV64: #define __UINT_FAST8_TYPE__ unsigned char
+// RISCV64: #define __UINT_LEAST16_MAX__ 65535
+// RISCV64: #define __UINT_LEAST16_TYPE__ unsigned short
+// RISCV64: #define __UINT_LEAST32_MAX__ 4294967295U
+// RISCV64: #define __UINT_LEAST32_TYPE__ unsigned int
+// RISCV64: #define __UINT_LEAST64_MAX__ 18446744073709551615UL
+// RISCV64: #define __UINT_LEAST64_TYPE__ long unsigned int
+// RISCV64: #define __UINT_LEAST8_MAX__ 255
+// RISCV64: #define __UINT_LEAST8_TYPE__ unsigned char
+// RISCV64: #define __USER_LABEL_PREFIX__
+// RISCV64: #define __WCHAR_MAX__ 2147483647
+// RISCV64: #define __WCHAR_TYPE__ int
+// RISCV64: #define __WCHAR_WIDTH__ 32
+// RISCV64: #define __WINT_TYPE__ unsigned int
+// RISCV64: #define __WINT_UNSIGNED__ 1
+// RISCV64: #define __WINT_WIDTH__ 32
+// RISCV64: #define __riscv 1
+// RISCV64: #define __riscv_cmodel_medlow 1
+// RISCV64: #define __riscv_float_abi_soft 1
+// RISCV64: #define __riscv_xlen 64
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