[Clang][LoongArch] Add initial LoongArch target and driver support

With the initial support added, clang can compile `helloworld` C
to executable file for loongarch64. For example:

```
$ cat hello.c
int main() {
  printf("Hello, world!\n");
  return 0;
}
$ clang --target=loongarch64-unknown-linux-gnu --gcc-toolchain=xxx --sysroot=xxx hello.c
```

The output a.out can run within qemu or native machine. For example:

```
$ file ./a.out
./a.out: ELF 64-bit LSB pie executable, LoongArch, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-loongarch-lp64d.so.1, for GNU/Linux 5.19.0, with debug_info, not stripped
$ ./a.out
Hello, world!
```

Currently gcc toolchain and sysroot can be found here:
https://github.com/loongson/build-tools/releases/download/2022.08.11/loongarch64-clfs-5.1-cross-tools-gcc-glibc.tar.xz

Reference: https://github.com/loongson/LoongArch-Documentation
The last commit hash (main branch) is:
99016636af64d02dee05e39974d4c1e55875c45b

Note loongarch32 is not fully tested because there is no reference
gcc toolchain yet.

Differential Revision: https://reviews.llvm.org/D130255
This commit is contained in:
Weining Lu 2022-08-23 13:11:32 +08:00
parent 6c6c4f6a9b
commit 15b65bcd65
27 changed files with 1001 additions and 0 deletions

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@ -82,6 +82,7 @@ add_clang_library(clangBasic
Targets/Hexagon.cpp
Targets/Lanai.cpp
Targets/Le64.cpp
Targets/LoongArch.cpp
Targets/M68k.cpp
Targets/MSP430.cpp
Targets/Mips.cpp

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@ -24,6 +24,7 @@
#include "Targets/Hexagon.h"
#include "Targets/Lanai.h"
#include "Targets/Le64.h"
#include "Targets/LoongArch.h"
#include "Targets/M68k.h"
#include "Targets/MSP430.h"
#include "Targets/Mips.h"
@ -670,6 +671,20 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
default:
return new CSKYTargetInfo(Triple, Opts);
}
case llvm::Triple::loongarch32:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<LoongArch32TargetInfo>(Triple, Opts);
default:
return new LoongArch32TargetInfo(Triple, Opts);
}
case llvm::Triple::loongarch64:
switch (os) {
case llvm::Triple::Linux:
return new LinuxTargetInfo<LoongArch64TargetInfo>(Triple, Opts);
default:
return new LoongArch64TargetInfo(Triple, Opts);
}
}
}
} // namespace targets

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@ -0,0 +1,50 @@
//===--- LoongArch.cpp - Implement LoongArch target feature support -------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements LoongArch TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#include "LoongArch.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/MacroBuilder.h"
#include "clang/Basic/TargetBuiltins.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/Support/TargetParser.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
using namespace clang::targets;
ArrayRef<const char *> LoongArchTargetInfo::getGCCRegNames() const {
// TODO: To be implemented in future.
return {};
}
ArrayRef<TargetInfo::GCCRegAlias>
LoongArchTargetInfo::getGCCRegAliases() const {
// TODO: To be implemented in future.
return {};
}
bool LoongArchTargetInfo::validateAsmConstraint(
const char *&Name, TargetInfo::ConstraintInfo &Info) const {
// TODO: To be implemented in future.
return false;
}
void LoongArchTargetInfo::getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const {
Builder.defineMacro("__loongarch__");
// TODO: Define more macros.
}
ArrayRef<Builtin::Info> LoongArchTargetInfo::getTargetBuiltins() const {
// TODO: To be implemented in future.
return {};
}

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@ -0,0 +1,105 @@
//===-- LoongArch.h - Declare LoongArch target feature support --*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares LoongArch TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_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 {
class LLVM_LIBRARY_VISIBILITY LoongArchTargetInfo : public TargetInfo {
protected:
std::string ABI;
public:
LoongArchTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple) {
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;
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;
};
class LLVM_LIBRARY_VISIBILITY LoongArch32TargetInfo
: public LoongArchTargetInfo {
public:
LoongArch32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: LoongArchTargetInfo(Triple, Opts) {
IntPtrType = SignedInt;
PtrDiffType = SignedInt;
SizeType = UnsignedInt;
resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
// TODO: select appropriate ABI.
setABI("ilp32d");
}
bool setABI(const std::string &Name) override {
if (Name == "ilp32d" || Name == "ilp32f" || Name == "ilp32s") {
ABI = Name;
return true;
}
return false;
}
};
class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo
: public LoongArchTargetInfo {
public:
LoongArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: LoongArchTargetInfo(Triple, Opts) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
IntMaxType = Int64Type = SignedLong;
resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
// TODO: select appropriate ABI.
setABI("lp64d");
}
bool setABI(const std::string &Name) override {
if (Name == "lp64d" || Name == "lp64f" || Name == "lp64s") {
ABI = Name;
return true;
}
return false;
}
};
} // end namespace targets
} // end namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H

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@ -30,6 +30,7 @@ add_clang_library(clangDriver
ToolChains/Arch/AArch64.cpp
ToolChains/Arch/ARM.cpp
ToolChains/Arch/CSKY.cpp
ToolChains/Arch/LoongArch.cpp
ToolChains/Arch/M68k.cpp
ToolChains/Arch/Mips.cpp
ToolChains/Arch/PPC.cpp

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@ -0,0 +1,28 @@
//===--- LoongArch.cpp - LoongArch Helpers for Tools ------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "LoongArch.h"
using namespace clang::driver::tools;
using namespace clang;
using namespace llvm::opt;
StringRef loongarch::getLoongArchABI(const ArgList &Args,
const llvm::Triple &Triple) {
assert((Triple.getArch() == llvm::Triple::loongarch32 ||
Triple.getArch() == llvm::Triple::loongarch64) &&
"Unexpected triple");
// If `-mabi=` is specified, use it.
if (const Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
return A->getValue();
// Choose a default based on the triple.
// TODO: select appropiate ABI.
return Triple.getArch() == llvm::Triple::loongarch32 ? "ilp32d" : "lp64d";
}

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@ -0,0 +1,27 @@
//===--- LoongArch.h - LoongArch-specific Tool Helpers ----------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_LOONGARCH_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_LOONGARCH_H
#include "clang/Driver/Driver.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Option/Option.h"
namespace clang {
namespace driver {
namespace tools {
namespace loongarch {
StringRef getLoongArchABI(const llvm::opt::ArgList &Args,
const llvm::Triple &Triple);
} // end namespace loongarch
} // end namespace tools
} // end namespace driver
} // end namespace clang
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_ARCH_LOONGARCH_H

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@ -11,6 +11,7 @@
#include "Arch/AArch64.h"
#include "Arch/ARM.h"
#include "Arch/CSKY.h"
#include "Arch/LoongArch.h"
#include "Arch/M68k.h"
#include "Arch/Mips.h"
#include "Arch/PPC.h"
@ -536,6 +537,8 @@ static bool useFramePointerForTargetByDefault(const ArgList &Args,
case llvm::Triple::amdgcn:
case llvm::Triple::r600:
case llvm::Triple::csky:
case llvm::Triple::loongarch32:
case llvm::Triple::loongarch64:
return !areOptimizationsEnabled(Args);
default:
break;
@ -1777,6 +1780,11 @@ void Clang::RenderTargetOptions(const llvm::Triple &EffectiveTriple,
CmdArgs.push_back("-fallow-half-arguments-and-returns");
break;
case llvm::Triple::loongarch32:
case llvm::Triple::loongarch64:
AddLoongArchTargetArgs(Args, CmdArgs);
break;
case llvm::Triple::mips:
case llvm::Triple::mipsel:
case llvm::Triple::mips64:
@ -1916,6 +1924,13 @@ void Clang::AddAArch64TargetArgs(const ArgList &Args,
AddUnalignedAccessWarning(CmdArgs);
}
void Clang::AddLoongArchTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
CmdArgs.push_back("-target-abi");
CmdArgs.push_back(
loongarch::getLoongArchABI(Args, getToolChain().getTriple()).data());
}
void Clang::AddMIPSTargetArgs(const ArgList &Args,
ArgStringList &CmdArgs) const {
const Driver &D = getToolChain().getDriver();

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@ -57,6 +57,8 @@ private:
bool KernelOrKext) const;
void AddARM64TargetArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
void AddLoongArchTargetArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
void AddMIPSTargetArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const;
void AddPPCTargetArgs(const llvm::opt::ArgList &Args,

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@ -278,6 +278,10 @@ static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
return "elf32_sparc";
case llvm::Triple::sparcv9:
return "elf64_sparc";
case llvm::Triple::loongarch32:
return "elf32loongarch";
case llvm::Triple::loongarch64:
return "elf64loongarch";
case llvm::Triple::mips:
return "elf32btsmip";
case llvm::Triple::mipsel:
@ -2229,6 +2233,10 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
"i586-suse-linux", "i686-montavista-linux", "i686-gnu",
};
static const char *const LoongArch64LibDirs[] = {"/lib64", "/lib"};
static const char *const LoongArch64Triples[] = {
"loongarch64-linux-gnu", "loongarch64-unknown-linux-gnu"};
static const char *const M68kLibDirs[] = {"/lib"};
static const char *const M68kTriples[] = {
"m68k-linux-gnu", "m68k-unknown-linux-gnu", "m68k-suse-linux"};
@ -2476,6 +2484,11 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
BiarchTripleAliases.append(begin(X32Triples), end(X32Triples));
}
break;
// TODO: Handle loongarch32.
case llvm::Triple::loongarch64:
LibDirs.append(begin(LoongArch64LibDirs), end(LoongArch64LibDirs));
TripleAliases.append(begin(LoongArch64Triples), end(LoongArch64Triples));
break;
case llvm::Triple::m68k:
LibDirs.append(begin(M68kLibDirs), end(M68kLibDirs));
TripleAliases.append(begin(M68kTriples), end(M68kTriples));
@ -2861,6 +2874,8 @@ bool Generic_GCC::IsIntegratedAssemblerDefault() const {
case llvm::Triple::csky:
case llvm::Triple::hexagon:
case llvm::Triple::lanai:
case llvm::Triple::loongarch32:
case llvm::Triple::loongarch64:
case llvm::Triple::m68k:
case llvm::Triple::mips:
case llvm::Triple::mipsel:

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@ -8,6 +8,7 @@
#include "Linux.h"
#include "Arch/ARM.h"
#include "Arch/LoongArch.h"
#include "Arch/Mips.h"
#include "Arch/PPC.h"
#include "Arch/RISCV.h"
@ -466,6 +467,20 @@ std::string Linux::getDynamicLinker(const ArgList &Args) const {
Loader = HF ? "ld-linux-armhf.so.3" : "ld-linux.so.3";
break;
}
case llvm::Triple::loongarch32: {
LibDir = "lib32";
Loader = ("ld-linux-loongarch-" +
tools::loongarch::getLoongArchABI(Args, Triple) + ".so.1")
.str();
break;
}
case llvm::Triple::loongarch64: {
LibDir = "lib64";
Loader = ("ld-linux-loongarch-" +
tools::loongarch::getLoongArchABI(Args, Triple) + ".so.1")
.str();
break;
}
case llvm::Triple::m68k:
LibDir = "lib";
Loader = "ld.so.1";

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@ -57,6 +57,18 @@
// RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK3-64 %s
// RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECKs-64 %s
// RUN: %clang --target=loongarch32 -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s
// RUN: %clang --target=loongarch32 -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-32 %s
// RUN: %clang --target=loongarch32 -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-32 %s
// RUN: %clang --target=loongarch32 -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK3-32 %s
// RUN: %clang --target=loongarch32 -### -S -Os %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECKs-32 %s
// RUN: %clang --target=loongarch64 -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-64 %s
// RUN: %clang --target=loongarch64 -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-64 %s
// RUN: %clang --target=loongarch64 -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-64 %s
// RUN: %clang --target=loongarch64 -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK3-64 %s
// RUN: %clang --target=loongarch64 -### -S -Os %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECKs-64 %s
// CHECK0-32: -mframe-pointer=all
// CHECK1-32-NOT: -mframe-pointer=all
// CHECK2-32-NOT: -mframe-pointer=all

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@ -0,0 +1,21 @@
// RUN: not %clang --target=loongarch32-unknown-elf %s -fsyntax-only -mabi=lp64s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA32-LP64S %s
// RUN: not %clang --target=loongarch32-unknown-elf %s -fsyntax-only -mabi=lp64f 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA32-LP64F %s
// RUN: not %clang --target=loongarch32-unknown-elf %s -fsyntax-only -mabi=lp64d 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA32-LP64D %s
// RUN: not %clang --target=loongarch64-unknown-elf %s -fsyntax-only -mabi=ilp32s 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA64-ILP32S %s
// RUN: not %clang --target=loongarch64-unknown-elf %s -fsyntax-only -mabi=ilp32f 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA64-ILP32F %s
// RUN: not %clang --target=loongarch64-unknown-elf %s -fsyntax-only -mabi=ilp32d 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-LA64-ILP32D %s
// CHECK-LA32-LP64S: error: unknown target ABI 'lp64s'
// CHECK-LA32-LP64F: error: unknown target ABI 'lp64f'
// CHECK-LA32-LP64D: error: unknown target ABI 'lp64d'
// CHECK-LA64-ILP32S: error: unknown target ABI 'ilp32s'
// CHECK-LA64-ILP32F: error: unknown target ABI 'ilp32f'
// CHECK-LA64-ILP32D: error: unknown target ABI 'ilp32d'

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@ -0,0 +1,25 @@
// RUN: %clang --target=loongarch32-unknown-elf %s -fsyntax-only -### 2>&1 \
// RUN: | FileCheck --check-prefix=ILP32D %s
// RUN: %clang --target=loongarch32-unknown-elf %s -fsyntax-only -### -mabi=ilp32s 2>&1 \
// RUN: | FileCheck --check-prefix=ILP32S %s
// RUN: %clang --target=loongarch32-unknown-elf %s -fsyntax-only -### -mabi=ilp32f 2>&1 \
// RUN: | FileCheck --check-prefix=ILP32F %s
// RUN: %clang --target=loongarch32-unknown-elf %s -fsyntax-only -### -mabi=ilp32d 2>&1 \
// RUN: | FileCheck --check-prefix=ILP32D %s
// RUN: %clang --target=loongarch64-unknown-elf %s -fsyntax-only -### 2>&1 \
// RUN: | FileCheck --check-prefix=LP64D %s
// RUN: %clang --target=loongarch64-unknown-elf %s -fsyntax-only -### -mabi=lp64s 2>&1 \
// RUN: | FileCheck --check-prefix=LP64S %s
// RUN: %clang --target=loongarch64-unknown-elf %s -fsyntax-only -### -mabi=lp64f 2>&1 \
// RUN: | FileCheck --check-prefix=LP64F %s
// RUN: %clang --target=loongarch64-unknown-elf %s -fsyntax-only -### -mabi=lp64d 2>&1 \
// RUN: | FileCheck --check-prefix=LP64D %s
// ILP32S: "-target-abi" "ilp32s"
// ILP32F: "-target-abi" "ilp32f"
// ILP32D: "-target-abi" "ilp32d"
// LP64S: "-target-abi" "lp64s"
// LP64F: "-target-abi" "lp64f"
// LP64D: "-target-abi" "lp64d"

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@ -0,0 +1,27 @@
// UNSUPPORTED: system-windows
/// A basic clang -cc1 command-line, and simple environment check.
// RUN: %clang %s -### --target=loongarch32 2>&1 | FileCheck --check-prefix=CC1 %s -DTRIPLE=loongarch32
// RUN: %clang %s -### --target=loongarch64 2>&1 | FileCheck --check-prefix=CC1 %s -DTRIPLE=loongarch64
// CC1: "-cc1" "-triple" "[[TRIPLE]]"
/// In the below tests, --rtlib=platform is used so that the driver ignores
/// the configure-time CLANG_DEFAULT_RTLIB option when choosing the runtime lib.
// RUN: env "PATH=" %clang -### %s -fuse-ld=ld -no-pie -mabi=lp64d \
// RUN: --target=loongarch64-unknown-linux-gnu --rtlib=platform \
// RUN: --gcc-toolchain=%S/Inputs/multilib_loongarch_linux_sdk \
// RUN: --sysroot=%S/Inputs/multilib_loongarch_linux_sdk/sysroot 2>&1 \
// RUN: | FileCheck --check-prefix=LA64 %s
// LA64: "{{.*}}/Inputs/multilib_loongarch_linux_sdk/lib/gcc/loongarch64-unknown-linux-gnu/12.1.0/../../../../loongarch64-unknown-linux-gnu/bin/ld"
// LA64-SAME: {{^}} "--sysroot={{.*}}/Inputs/multilib_loongarch_linux_sdk/sysroot"
// LA64-SAME: "-m" "elf64loongarch"
// LA64-SAME: "-dynamic-linker" "/lib64/ld-linux-loongarch-lp64d.so.1"
// LA64-SAME: "{{.*}}/Inputs/multilib_loongarch_linux_sdk/lib/gcc/loongarch64-unknown-linux-gnu/12.1.0/crtbegin.o"
// LA64-SAME: "-L{{.*}}/Inputs/multilib_loongarch_linux_sdk/lib/gcc/loongarch64-unknown-linux-gnu/12.1.0"
// LA64-SAME: {{^}} "-L{{.*}}/Inputs/multilib_loongarch_linux_sdk/lib/gcc/loongarch64-unknown-linux-gnu/12.1.0/../../../../loongarch64-unknown-linux-gnu/lib/../lib64"
// LA64-SAME: {{^}} "-L{{.*}}/Inputs/multilib_loongarch_linux_sdk/sysroot/usr/lib/../lib64"
// LA64-SAME: {{^}} "-L{{.*}}/Inputs/multilib_loongarch_linux_sdk/lib/gcc/loongarch64-unknown-linux-gnu/12.1.0/../../../../loongarch64-unknown-linux-gnu/lib"
// LA64-SAME: {{^}} "-L{{.*}}/Inputs/multilib_loongarch_linux_sdk/sysroot/usr/lib"

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@ -0,0 +1,641 @@
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch32 /dev/null \
// RUN: | FileCheck --match-full-lines --check-prefix=LA32 %s
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch32-unknown-linux /dev/null \
// RUN: | FileCheck --match-full-lines --check-prefixes=LA32,LA32-LINUX %s
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch32 \
// RUN: -fforce-enable-int128 /dev/null | FileCheck --match-full-lines \
// RUN: --check-prefixes=LA32,LA32-INT128 %s
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch64 /dev/null \
// RUN: | FileCheck --match-full-lines --check-prefix=LA64 %s
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch64-unknown-linux /dev/null \
// RUN: | FileCheck --match-full-lines --check-prefixes=LA64,LA64-LINUX %s
// RUN: %clang_cc1 -E -dM -ffreestanding -fgnuc-version=4.2.1 -triple loongarch64 \
// RUN: -fforce-enable-int128 /dev/null | FileCheck --match-full-lines \
// RUN: --check-prefixes=LA64,LA64-INT128 %s
//// Note that common macros are tested in init.c, such as __VERSION__. So they're not listed here.
// LA32: #define _ILP32 1
// LA32: #define __ATOMIC_ACQUIRE 2
// LA32-NEXT: #define __ATOMIC_ACQ_REL 4
// LA32-NEXT: #define __ATOMIC_CONSUME 1
// LA32-NEXT: #define __ATOMIC_RELAXED 0
// LA32-NEXT: #define __ATOMIC_RELEASE 3
// LA32-NEXT: #define __ATOMIC_SEQ_CST 5
// LA32: #define __BIGGEST_ALIGNMENT__ 16
// LA32: #define __BITINT_MAXWIDTH__ 128
// LA32: #define __BOOL_WIDTH__ 8
// LA32: #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// LA32: #define __CHAR16_TYPE__ unsigned short
// LA32: #define __CHAR32_TYPE__ unsigned int
// LA32: #define __CHAR_BIT__ 8
// LA32: #define __CLANG_ATOMIC_BOOL_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_CHAR16_T_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_CHAR32_T_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_CHAR_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_INT_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_LLONG_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_LONG_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_POINTER_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_SHORT_LOCK_FREE 1
// LA32: #define __CLANG_ATOMIC_WCHAR_T_LOCK_FREE 1
// LA32: #define __DBL_DECIMAL_DIG__ 17
// LA32: #define __DBL_DENORM_MIN__ 4.9406564584124654e-324
// LA32: #define __DBL_DIG__ 15
// LA32: #define __DBL_EPSILON__ 2.2204460492503131e-16
// LA32: #define __DBL_HAS_DENORM__ 1
// LA32: #define __DBL_HAS_INFINITY__ 1
// LA32: #define __DBL_HAS_QUIET_NAN__ 1
// LA32: #define __DBL_MANT_DIG__ 53
// LA32: #define __DBL_MAX_10_EXP__ 308
// LA32: #define __DBL_MAX_EXP__ 1024
// LA32: #define __DBL_MAX__ 1.7976931348623157e+308
// LA32: #define __DBL_MIN_10_EXP__ (-307)
// LA32: #define __DBL_MIN_EXP__ (-1021)
// LA32: #define __DBL_MIN__ 2.2250738585072014e-308
// LA32: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
// LA32: #define __FLT_DECIMAL_DIG__ 9
// LA32: #define __FLT_DENORM_MIN__ 1.40129846e-45F
// LA32: #define __FLT_DIG__ 6
// LA32: #define __FLT_EPSILON__ 1.19209290e-7F
// LA32: #define __FLT_HAS_DENORM__ 1
// LA32: #define __FLT_HAS_INFINITY__ 1
// LA32: #define __FLT_HAS_QUIET_NAN__ 1
// LA32: #define __FLT_MANT_DIG__ 24
// LA32: #define __FLT_MAX_10_EXP__ 38
// LA32: #define __FLT_MAX_EXP__ 128
// LA32: #define __FLT_MAX__ 3.40282347e+38F
// LA32: #define __FLT_MIN_10_EXP__ (-37)
// LA32: #define __FLT_MIN_EXP__ (-125)
// LA32: #define __FLT_MIN__ 1.17549435e-38F
// LA32: #define __FLT_RADIX__ 2
// LA32: #define __GCC_ATOMIC_BOOL_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_CHAR_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_INT_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_LLONG_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_LONG_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_POINTER_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_SHORT_LOCK_FREE 1
// LA32: #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
// LA32: #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 1
// LA32: #define __ILP32__ 1
// LA32: #define __INT16_C_SUFFIX__
// LA32: #define __INT16_FMTd__ "hd"
// LA32: #define __INT16_FMTi__ "hi"
// LA32: #define __INT16_MAX__ 32767
// LA32: #define __INT16_TYPE__ short
// LA32: #define __INT32_C_SUFFIX__
// LA32: #define __INT32_FMTd__ "d"
// LA32: #define __INT32_FMTi__ "i"
// LA32: #define __INT32_MAX__ 2147483647
// LA32: #define __INT32_TYPE__ int
// LA32: #define __INT64_C_SUFFIX__ LL
// LA32: #define __INT64_FMTd__ "lld"
// LA32: #define __INT64_FMTi__ "lli"
// LA32: #define __INT64_MAX__ 9223372036854775807LL
// LA32: #define __INT64_TYPE__ long long int
// LA32: #define __INT8_C_SUFFIX__
// LA32: #define __INT8_FMTd__ "hhd"
// LA32: #define __INT8_FMTi__ "hhi"
// LA32: #define __INT8_MAX__ 127
// LA32: #define __INT8_TYPE__ signed char
// LA32: #define __INTMAX_C_SUFFIX__ LL
// LA32: #define __INTMAX_FMTd__ "lld"
// LA32: #define __INTMAX_FMTi__ "lli"
// LA32: #define __INTMAX_MAX__ 9223372036854775807LL
// LA32: #define __INTMAX_TYPE__ long long int
// LA32: #define __INTMAX_WIDTH__ 64
// LA32: #define __INTPTR_FMTd__ "d"
// LA32: #define __INTPTR_FMTi__ "i"
// LA32: #define __INTPTR_MAX__ 2147483647
// LA32: #define __INTPTR_TYPE__ int
// LA32: #define __INTPTR_WIDTH__ 32
// LA32: #define __INT_FAST16_FMTd__ "hd"
// LA32: #define __INT_FAST16_FMTi__ "hi"
// LA32: #define __INT_FAST16_MAX__ 32767
// LA32: #define __INT_FAST16_TYPE__ short
// LA32: #define __INT_FAST16_WIDTH__ 16
// LA32: #define __INT_FAST32_FMTd__ "d"
// LA32: #define __INT_FAST32_FMTi__ "i"
// LA32: #define __INT_FAST32_MAX__ 2147483647
// LA32: #define __INT_FAST32_TYPE__ int
// LA32: #define __INT_FAST32_WIDTH__ 32
// LA32: #define __INT_FAST64_FMTd__ "lld"
// LA32: #define __INT_FAST64_FMTi__ "lli"
// LA32: #define __INT_FAST64_MAX__ 9223372036854775807LL
// LA32: #define __INT_FAST64_TYPE__ long long int
// LA32: #define __INT_FAST64_WIDTH__ 64
// LA32: #define __INT_FAST8_FMTd__ "hhd"
// LA32: #define __INT_FAST8_FMTi__ "hhi"
// LA32: #define __INT_FAST8_MAX__ 127
// LA32: #define __INT_FAST8_TYPE__ signed char
// LA32: #define __INT_FAST8_WIDTH__ 8
// LA32: #define __INT_LEAST16_FMTd__ "hd"
// LA32: #define __INT_LEAST16_FMTi__ "hi"
// LA32: #define __INT_LEAST16_MAX__ 32767
// LA32: #define __INT_LEAST16_TYPE__ short
// LA32: #define __INT_LEAST16_WIDTH__ 16
// LA32: #define __INT_LEAST32_FMTd__ "d"
// LA32: #define __INT_LEAST32_FMTi__ "i"
// LA32: #define __INT_LEAST32_MAX__ 2147483647
// LA32: #define __INT_LEAST32_TYPE__ int
// LA32: #define __INT_LEAST32_WIDTH__ 32
// LA32: #define __INT_LEAST64_FMTd__ "lld"
// LA32: #define __INT_LEAST64_FMTi__ "lli"
// LA32: #define __INT_LEAST64_MAX__ 9223372036854775807LL
// LA32: #define __INT_LEAST64_TYPE__ long long int
// LA32: #define __INT_LEAST64_WIDTH__ 64
// LA32: #define __INT_LEAST8_FMTd__ "hhd"
// LA32: #define __INT_LEAST8_FMTi__ "hhi"
// LA32: #define __INT_LEAST8_MAX__ 127
// LA32: #define __INT_LEAST8_TYPE__ signed char
// LA32: #define __INT_LEAST8_WIDTH__ 8
// LA32: #define __INT_MAX__ 2147483647
// LA32: #define __INT_WIDTH__ 32
// LA32: #define __LDBL_DECIMAL_DIG__ 36
// LA32: #define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L
// LA32: #define __LDBL_DIG__ 33
// LA32: #define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L
// LA32: #define __LDBL_HAS_DENORM__ 1
// LA32: #define __LDBL_HAS_INFINITY__ 1
// LA32: #define __LDBL_HAS_QUIET_NAN__ 1
// LA32: #define __LDBL_MANT_DIG__ 113
// LA32: #define __LDBL_MAX_10_EXP__ 4932
// LA32: #define __LDBL_MAX_EXP__ 16384
// LA32: #define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L
// LA32: #define __LDBL_MIN_10_EXP__ (-4931)
// LA32: #define __LDBL_MIN_EXP__ (-16381)
// LA32: #define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
// LA32: #define __LITTLE_ENDIAN__ 1
// LA32: #define __LLONG_WIDTH__ 64
// LA32: #define __LONG_LONG_MAX__ 9223372036854775807LL
// LA32: #define __LONG_MAX__ 2147483647L
// LA32: #define __LONG_WIDTH__ 32
// LA32: #define __NO_INLINE__ 1
// LA32: #define __NO_MATH_ERRNO__ 1
// LA32: #define __OBJC_BOOL_IS_BOOL 0
// LA32: #define __OPENCL_MEMORY_SCOPE_ALL_SVM_DEVICES 3
// LA32: #define __OPENCL_MEMORY_SCOPE_DEVICE 2
// LA32: #define __OPENCL_MEMORY_SCOPE_SUB_GROUP 4
// LA32: #define __OPENCL_MEMORY_SCOPE_WORK_GROUP 1
// LA32: #define __OPENCL_MEMORY_SCOPE_WORK_ITEM 0
// LA32: #define __POINTER_WIDTH__ 32
// LA32: #define __PRAGMA_REDEFINE_EXTNAME 1
// LA32: #define __PTRDIFF_FMTd__ "d"
// LA32: #define __PTRDIFF_FMTi__ "i"
// LA32: #define __PTRDIFF_MAX__ 2147483647
// LA32: #define __PTRDIFF_TYPE__ int
// LA32: #define __PTRDIFF_WIDTH__ 32
// LA32: #define __SCHAR_MAX__ 127
// LA32: #define __SHRT_MAX__ 32767
// LA32: #define __SHRT_WIDTH__ 16
// LA32: #define __SIG_ATOMIC_MAX__ 2147483647
// LA32: #define __SIG_ATOMIC_WIDTH__ 32
// LA32: #define __SIZEOF_DOUBLE__ 8
// LA32: #define __SIZEOF_FLOAT__ 4
// LA32-INT128: #define __SIZEOF_INT128__ 16
// LA32: #define __SIZEOF_INT__ 4
// LA32: #define __SIZEOF_LONG_DOUBLE__ 16
// LA32: #define __SIZEOF_LONG_LONG__ 8
// LA32: #define __SIZEOF_LONG__ 4
// LA32: #define __SIZEOF_POINTER__ 4
// LA32: #define __SIZEOF_PTRDIFF_T__ 4
// LA32: #define __SIZEOF_SHORT__ 2
// LA32: #define __SIZEOF_SIZE_T__ 4
// LA32: #define __SIZEOF_WCHAR_T__ 4
// LA32: #define __SIZEOF_WINT_T__ 4
// LA32: #define __SIZE_FMTX__ "X"
// LA32: #define __SIZE_FMTo__ "o"
// LA32: #define __SIZE_FMTu__ "u"
// LA32: #define __SIZE_FMTx__ "x"
// LA32: #define __SIZE_MAX__ 4294967295U
// LA32: #define __SIZE_TYPE__ unsigned int
// LA32: #define __SIZE_WIDTH__ 32
// LA32: #define __STDC_HOSTED__ 0
// LA32: #define __STDC_UTF_16__ 1
// LA32: #define __STDC_UTF_32__ 1
// LA32: #define __STDC_VERSION__ 201710L
// LA32: #define __STDC__ 1
// LA32: #define __UINT16_C_SUFFIX__
// LA32: #define __UINT16_FMTX__ "hX"
// LA32: #define __UINT16_FMTo__ "ho"
// LA32: #define __UINT16_FMTu__ "hu"
// LA32: #define __UINT16_FMTx__ "hx"
// LA32: #define __UINT16_MAX__ 65535
// LA32: #define __UINT16_TYPE__ unsigned short
// LA32: #define __UINT32_C_SUFFIX__ U
// LA32: #define __UINT32_FMTX__ "X"
// LA32: #define __UINT32_FMTo__ "o"
// LA32: #define __UINT32_FMTu__ "u"
// LA32: #define __UINT32_FMTx__ "x"
// LA32: #define __UINT32_MAX__ 4294967295U
// LA32: #define __UINT32_TYPE__ unsigned int
// LA32: #define __UINT64_C_SUFFIX__ ULL
// LA32: #define __UINT64_FMTX__ "llX"
// LA32: #define __UINT64_FMTo__ "llo"
// LA32: #define __UINT64_FMTu__ "llu"
// LA32: #define __UINT64_FMTx__ "llx"
// LA32: #define __UINT64_MAX__ 18446744073709551615ULL
// LA32: #define __UINT64_TYPE__ long long unsigned int
// LA32: #define __UINT8_C_SUFFIX__
// LA32: #define __UINT8_FMTX__ "hhX"
// LA32: #define __UINT8_FMTo__ "hho"
// LA32: #define __UINT8_FMTu__ "hhu"
// LA32: #define __UINT8_FMTx__ "hhx"
// LA32: #define __UINT8_MAX__ 255
// LA32: #define __UINT8_TYPE__ unsigned char
// LA32: #define __UINTMAX_C_SUFFIX__ ULL
// LA32: #define __UINTMAX_FMTX__ "llX"
// LA32: #define __UINTMAX_FMTo__ "llo"
// LA32: #define __UINTMAX_FMTu__ "llu"
// LA32: #define __UINTMAX_FMTx__ "llx"
// LA32: #define __UINTMAX_MAX__ 18446744073709551615ULL
// LA32: #define __UINTMAX_TYPE__ long long unsigned int
// LA32: #define __UINTMAX_WIDTH__ 64
// LA32: #define __UINTPTR_FMTX__ "X"
// LA32: #define __UINTPTR_FMTo__ "o"
// LA32: #define __UINTPTR_FMTu__ "u"
// LA32: #define __UINTPTR_FMTx__ "x"
// LA32: #define __UINTPTR_MAX__ 4294967295U
// LA32: #define __UINTPTR_TYPE__ unsigned int
// LA32: #define __UINTPTR_WIDTH__ 32
// LA32: #define __UINT_FAST16_FMTX__ "hX"
// LA32: #define __UINT_FAST16_FMTo__ "ho"
// LA32: #define __UINT_FAST16_FMTu__ "hu"
// LA32: #define __UINT_FAST16_FMTx__ "hx"
// LA32: #define __UINT_FAST16_MAX__ 65535
// TODO: LoongArch GCC defines UINT_FAST16 to be long unsigned int
// LA32: #define __UINT_FAST16_TYPE__ unsigned short
// LA32: #define __UINT_FAST32_FMTX__ "X"
// LA32: #define __UINT_FAST32_FMTo__ "o"
// LA32: #define __UINT_FAST32_FMTu__ "u"
// LA32: #define __UINT_FAST32_FMTx__ "x"
// LA32: #define __UINT_FAST32_MAX__ 4294967295U
// LA32: #define __UINT_FAST32_TYPE__ unsigned int
// LA32: #define __UINT_FAST64_FMTX__ "llX"
// LA32: #define __UINT_FAST64_FMTo__ "llo"
// LA32: #define __UINT_FAST64_FMTu__ "llu"
// LA32: #define __UINT_FAST64_FMTx__ "llx"
// LA32: #define __UINT_FAST64_MAX__ 18446744073709551615ULL
// LA32: #define __UINT_FAST64_TYPE__ long long unsigned int
// LA32: #define __UINT_FAST8_FMTX__ "hhX"
// LA32: #define __UINT_FAST8_FMTo__ "hho"
// LA32: #define __UINT_FAST8_FMTu__ "hhu"
// LA32: #define __UINT_FAST8_FMTx__ "hhx"
// LA32: #define __UINT_FAST8_MAX__ 255
// LA32: #define __UINT_FAST8_TYPE__ unsigned char
// LA32: #define __UINT_LEAST16_FMTX__ "hX"
// LA32: #define __UINT_LEAST16_FMTo__ "ho"
// LA32: #define __UINT_LEAST16_FMTu__ "hu"
// LA32: #define __UINT_LEAST16_FMTx__ "hx"
// LA32: #define __UINT_LEAST16_MAX__ 65535
// LA32: #define __UINT_LEAST16_TYPE__ unsigned short
// LA32: #define __UINT_LEAST32_FMTX__ "X"
// LA32: #define __UINT_LEAST32_FMTo__ "o"
// LA32: #define __UINT_LEAST32_FMTu__ "u"
// LA32: #define __UINT_LEAST32_FMTx__ "x"
// LA32: #define __UINT_LEAST32_MAX__ 4294967295U
// LA32: #define __UINT_LEAST32_TYPE__ unsigned int
// LA32: #define __UINT_LEAST64_FMTX__ "llX"
// LA32: #define __UINT_LEAST64_FMTo__ "llo"
// LA32: #define __UINT_LEAST64_FMTu__ "llu"
// LA32: #define __UINT_LEAST64_FMTx__ "llx"
// LA32: #define __UINT_LEAST64_MAX__ 18446744073709551615ULL
// LA32: #define __UINT_LEAST64_TYPE__ long long unsigned int
// LA32: #define __UINT_LEAST8_FMTX__ "hhX"
// LA32: #define __UINT_LEAST8_FMTo__ "hho"
// LA32: #define __UINT_LEAST8_FMTu__ "hhu"
// LA32: #define __UINT_LEAST8_FMTx__ "hhx"
// LA32: #define __UINT_LEAST8_MAX__ 255
// LA32: #define __UINT_LEAST8_TYPE__ unsigned char
// LA32: #define __USER_LABEL_PREFIX__
// LA32: #define __WCHAR_MAX__ 2147483647
// LA32: #define __WCHAR_TYPE__ int
// LA32: #define __WCHAR_WIDTH__ 32
// LA32: #define __WINT_MAX__ 4294967295U
// LA32: #define __WINT_TYPE__ unsigned int
// LA32: #define __WINT_UNSIGNED__ 1
// LA32: #define __WINT_WIDTH__ 32
// LA32-LINUX: #define __gnu_linux__ 1
// LA32-LINUX: #define __linux 1
// LA32-LINUX: #define __linux__ 1
// LA32: #define __loongarch__ 1
// LA32-LINUX: #define __unix 1
// LA32-LINUX: #define __unix__ 1
// LA32-LINUX: #define linux 1
// LA32-LINUX: #define unix 1
// LA64: #define _LP64 1
// LA64: #define __ATOMIC_ACQUIRE 2
// LA64-NEXT: #define __ATOMIC_ACQ_REL 4
// LA64-NEXT: #define __ATOMIC_CONSUME 1
// LA64-NEXT: #define __ATOMIC_RELAXED 0
// LA64-NEXT: #define __ATOMIC_RELEASE 3
// LA64-NEXT: #define __ATOMIC_SEQ_CST 5
// LA64: #define __BIGGEST_ALIGNMENT__ 16
// LA64: #define __BITINT_MAXWIDTH__ 128
// LA64: #define __BOOL_WIDTH__ 8
// LA64: #define __BYTE_ORDER__ __ORDER_LITTLE_ENDIAN__
// LA64: #define __CHAR16_TYPE__ unsigned short
// LA64: #define __CHAR32_TYPE__ unsigned int
// LA64: #define __CHAR_BIT__ 8
// LA64: #define __CLANG_ATOMIC_BOOL_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_CHAR16_T_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_CHAR32_T_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_CHAR_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_INT_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_LLONG_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_LONG_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_POINTER_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_SHORT_LOCK_FREE 1
// LA64: #define __CLANG_ATOMIC_WCHAR_T_LOCK_FREE 1
// LA64: #define __DBL_DECIMAL_DIG__ 17
// LA64: #define __DBL_DENORM_MIN__ 4.9406564584124654e-324
// LA64: #define __DBL_DIG__ 15
// LA64: #define __DBL_EPSILON__ 2.2204460492503131e-16
// LA64: #define __DBL_HAS_DENORM__ 1
// LA64: #define __DBL_HAS_INFINITY__ 1
// LA64: #define __DBL_HAS_QUIET_NAN__ 1
// LA64: #define __DBL_MANT_DIG__ 53
// LA64: #define __DBL_MAX_10_EXP__ 308
// LA64: #define __DBL_MAX_EXP__ 1024
// LA64: #define __DBL_MAX__ 1.7976931348623157e+308
// LA64: #define __DBL_MIN_10_EXP__ (-307)
// LA64: #define __DBL_MIN_EXP__ (-1021)
// LA64: #define __DBL_MIN__ 2.2250738585072014e-308
// LA64: #define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
// LA64: #define __FLT_DECIMAL_DIG__ 9
// LA64: #define __FLT_DENORM_MIN__ 1.40129846e-45F
// LA64: #define __FLT_DIG__ 6
// LA64: #define __FLT_EPSILON__ 1.19209290e-7F
// LA64: #define __FLT_HAS_DENORM__ 1
// LA64: #define __FLT_HAS_INFINITY__ 1
// LA64: #define __FLT_HAS_QUIET_NAN__ 1
// LA64: #define __FLT_MANT_DIG__ 24
// LA64: #define __FLT_MAX_10_EXP__ 38
// LA64: #define __FLT_MAX_EXP__ 128
// LA64: #define __FLT_MAX__ 3.40282347e+38F
// LA64: #define __FLT_MIN_10_EXP__ (-37)
// LA64: #define __FLT_MIN_EXP__ (-125)
// LA64: #define __FLT_MIN__ 1.17549435e-38F
// LA64: #define __FLT_RADIX__ 2
// LA64: #define __GCC_ATOMIC_BOOL_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_CHAR16_T_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_CHAR32_T_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_CHAR_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_INT_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_LLONG_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_LONG_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_POINTER_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_SHORT_LOCK_FREE 1
// LA64: #define __GCC_ATOMIC_TEST_AND_SET_TRUEVAL 1
// LA64: #define __GCC_ATOMIC_WCHAR_T_LOCK_FREE 1
// LA64: #define __INT16_C_SUFFIX__
// LA64: #define __INT16_FMTd__ "hd"
// LA64: #define __INT16_FMTi__ "hi"
// LA64: #define __INT16_MAX__ 32767
// LA64: #define __INT16_TYPE__ short
// LA64: #define __INT32_C_SUFFIX__
// LA64: #define __INT32_FMTd__ "d"
// LA64: #define __INT32_FMTi__ "i"
// LA64: #define __INT32_MAX__ 2147483647
// LA64: #define __INT32_TYPE__ int
// LA64: #define __INT64_C_SUFFIX__ L
// LA64: #define __INT64_FMTd__ "ld"
// LA64: #define __INT64_FMTi__ "li"
// LA64: #define __INT64_MAX__ 9223372036854775807L
// LA64: #define __INT64_TYPE__ long int
// LA64: #define __INT8_C_SUFFIX__
// LA64: #define __INT8_FMTd__ "hhd"
// LA64: #define __INT8_FMTi__ "hhi"
// LA64: #define __INT8_MAX__ 127
// LA64: #define __INT8_TYPE__ signed char
// LA64: #define __INTMAX_C_SUFFIX__ L
// LA64: #define __INTMAX_FMTd__ "ld"
// LA64: #define __INTMAX_FMTi__ "li"
// LA64: #define __INTMAX_MAX__ 9223372036854775807L
// LA64: #define __INTMAX_TYPE__ long int
// LA64: #define __INTMAX_WIDTH__ 64
// LA64: #define __INTPTR_FMTd__ "ld"
// LA64: #define __INTPTR_FMTi__ "li"
// LA64: #define __INTPTR_MAX__ 9223372036854775807L
// LA64: #define __INTPTR_TYPE__ long int
// LA64: #define __INTPTR_WIDTH__ 64
// LA64: #define __INT_FAST16_FMTd__ "hd"
// LA64: #define __INT_FAST16_FMTi__ "hi"
// LA64: #define __INT_FAST16_MAX__ 32767
// LA64: #define __INT_FAST16_TYPE__ short
// LA64: #define __INT_FAST16_WIDTH__ 16
// LA64: #define __INT_FAST32_FMTd__ "d"
// LA64: #define __INT_FAST32_FMTi__ "i"
// LA64: #define __INT_FAST32_MAX__ 2147483647
// LA64: #define __INT_FAST32_TYPE__ int
// LA64: #define __INT_FAST32_WIDTH__ 32
// LA64: #define __INT_FAST64_FMTd__ "ld"
// LA64: #define __INT_FAST64_FMTi__ "li"
// LA64: #define __INT_FAST64_MAX__ 9223372036854775807L
// LA64: #define __INT_FAST64_TYPE__ long int
// LA64: #define __INT_FAST64_WIDTH__ 64
// LA64: #define __INT_FAST8_FMTd__ "hhd"
// LA64: #define __INT_FAST8_FMTi__ "hhi"
// LA64: #define __INT_FAST8_MAX__ 127
// LA64: #define __INT_FAST8_TYPE__ signed char
// LA64: #define __INT_FAST8_WIDTH__ 8
// LA64: #define __INT_LEAST16_FMTd__ "hd"
// LA64: #define __INT_LEAST16_FMTi__ "hi"
// LA64: #define __INT_LEAST16_MAX__ 32767
// LA64: #define __INT_LEAST16_TYPE__ short
// LA64: #define __INT_LEAST16_WIDTH__ 16
// LA64: #define __INT_LEAST32_FMTd__ "d"
// LA64: #define __INT_LEAST32_FMTi__ "i"
// LA64: #define __INT_LEAST32_MAX__ 2147483647
// LA64: #define __INT_LEAST32_TYPE__ int
// LA64: #define __INT_LEAST32_WIDTH__ 32
// LA64: #define __INT_LEAST64_FMTd__ "ld"
// LA64: #define __INT_LEAST64_FMTi__ "li"
// LA64: #define __INT_LEAST64_MAX__ 9223372036854775807L
// LA64: #define __INT_LEAST64_TYPE__ long int
// LA64: #define __INT_LEAST64_WIDTH__ 64
// LA64: #define __INT_LEAST8_FMTd__ "hhd"
// LA64: #define __INT_LEAST8_FMTi__ "hhi"
// LA64: #define __INT_LEAST8_MAX__ 127
// LA64: #define __INT_LEAST8_TYPE__ signed char
// LA64: #define __INT_LEAST8_WIDTH__ 8
// LA64: #define __INT_MAX__ 2147483647
// LA64: #define __INT_WIDTH__ 32
// LA64: #define __LDBL_DECIMAL_DIG__ 36
// LA64: #define __LDBL_DENORM_MIN__ 6.47517511943802511092443895822764655e-4966L
// LA64: #define __LDBL_DIG__ 33
// LA64: #define __LDBL_EPSILON__ 1.92592994438723585305597794258492732e-34L
// LA64: #define __LDBL_HAS_DENORM__ 1
// LA64: #define __LDBL_HAS_INFINITY__ 1
// LA64: #define __LDBL_HAS_QUIET_NAN__ 1
// LA64: #define __LDBL_MANT_DIG__ 113
// LA64: #define __LDBL_MAX_10_EXP__ 4932
// LA64: #define __LDBL_MAX_EXP__ 16384
// LA64: #define __LDBL_MAX__ 1.18973149535723176508575932662800702e+4932L
// LA64: #define __LDBL_MIN_10_EXP__ (-4931)
// LA64: #define __LDBL_MIN_EXP__ (-16381)
// LA64: #define __LDBL_MIN__ 3.36210314311209350626267781732175260e-4932L
// LA64: #define __LITTLE_ENDIAN__ 1
// LA64: #define __LLONG_WIDTH__ 64
// LA64: #define __LONG_LONG_MAX__ 9223372036854775807LL
// LA64: #define __LONG_MAX__ 9223372036854775807L
// LA64: #define __LONG_WIDTH__ 64
// LA64: #define __LP64__ 1
// LA64: #define __NO_INLINE__ 1
// LA64: #define __NO_MATH_ERRNO__ 1
// LA64: #define __OBJC_BOOL_IS_BOOL 0
// LA64: #define __OPENCL_MEMORY_SCOPE_ALL_SVM_DEVICES 3
// LA64: #define __OPENCL_MEMORY_SCOPE_DEVICE 2
// LA64: #define __OPENCL_MEMORY_SCOPE_SUB_GROUP 4
// LA64: #define __OPENCL_MEMORY_SCOPE_WORK_GROUP 1
// LA64: #define __OPENCL_MEMORY_SCOPE_WORK_ITEM 0
// LA64: #define __POINTER_WIDTH__ 64
// LA64: #define __PRAGMA_REDEFINE_EXTNAME 1
// LA64: #define __PTRDIFF_FMTd__ "ld"
// LA64: #define __PTRDIFF_FMTi__ "li"
// LA64: #define __PTRDIFF_MAX__ 9223372036854775807L
// LA64: #define __PTRDIFF_TYPE__ long int
// LA64: #define __PTRDIFF_WIDTH__ 64
// LA64: #define __SCHAR_MAX__ 127
// LA64: #define __SHRT_MAX__ 32767
// LA64: #define __SHRT_WIDTH__ 16
// LA64: #define __SIG_ATOMIC_MAX__ 2147483647
// LA64: #define __SIG_ATOMIC_WIDTH__ 32
// LA64: #define __SIZEOF_DOUBLE__ 8
// LA64: #define __SIZEOF_FLOAT__ 4
// LA64-INT128: #define __SIZEOF_INT128__ 16
// LA64: #define __SIZEOF_INT__ 4
// LA64: #define __SIZEOF_LONG_DOUBLE__ 16
// LA64: #define __SIZEOF_LONG_LONG__ 8
// LA64: #define __SIZEOF_LONG__ 8
// LA64: #define __SIZEOF_POINTER__ 8
// LA64: #define __SIZEOF_PTRDIFF_T__ 8
// LA64: #define __SIZEOF_SHORT__ 2
// LA64: #define __SIZEOF_SIZE_T__ 8
// LA64: #define __SIZEOF_WCHAR_T__ 4
// LA64: #define __SIZEOF_WINT_T__ 4
// LA64: #define __SIZE_FMTX__ "lX"
// LA64: #define __SIZE_FMTo__ "lo"
// LA64: #define __SIZE_FMTu__ "lu"
// LA64: #define __SIZE_FMTx__ "lx"
// LA64: #define __SIZE_MAX__ 18446744073709551615UL
// LA64: #define __SIZE_TYPE__ long unsigned int
// LA64: #define __SIZE_WIDTH__ 64
// LA64: #define __STDC_HOSTED__ 0
// LA64: #define __STDC_UTF_16__ 1
// LA64: #define __STDC_UTF_32__ 1
// LA64: #define __STDC_VERSION__ 201710L
// LA64: #define __STDC__ 1
// LA64: #define __UINT16_C_SUFFIX__
// LA64: #define __UINT16_FMTX__ "hX"
// LA64: #define __UINT16_FMTo__ "ho"
// LA64: #define __UINT16_FMTu__ "hu"
// LA64: #define __UINT16_FMTx__ "hx"
// LA64: #define __UINT16_MAX__ 65535
// LA64: #define __UINT16_TYPE__ unsigned short
// LA64: #define __UINT32_C_SUFFIX__ U
// LA64: #define __UINT32_FMTX__ "X"
// LA64: #define __UINT32_FMTo__ "o"
// LA64: #define __UINT32_FMTu__ "u"
// LA64: #define __UINT32_FMTx__ "x"
// LA64: #define __UINT32_MAX__ 4294967295U
// LA64: #define __UINT32_TYPE__ unsigned int
// LA64: #define __UINT64_C_SUFFIX__ UL
// LA64: #define __UINT64_FMTX__ "lX"
// LA64: #define __UINT64_FMTo__ "lo"
// LA64: #define __UINT64_FMTu__ "lu"
// LA64: #define __UINT64_FMTx__ "lx"
// LA64: #define __UINT64_MAX__ 18446744073709551615UL
// LA64: #define __UINT64_TYPE__ long unsigned int
// LA64: #define __UINT8_C_SUFFIX__
// LA64: #define __UINT8_FMTX__ "hhX"
// LA64: #define __UINT8_FMTo__ "hho"
// LA64: #define __UINT8_FMTu__ "hhu"
// LA64: #define __UINT8_FMTx__ "hhx"
// LA64: #define __UINT8_MAX__ 255
// LA64: #define __UINT8_TYPE__ unsigned char
// LA64: #define __UINTMAX_C_SUFFIX__ UL
// LA64: #define __UINTMAX_FMTX__ "lX"
// LA64: #define __UINTMAX_FMTo__ "lo"
// LA64: #define __UINTMAX_FMTu__ "lu"
// LA64: #define __UINTMAX_FMTx__ "lx"
// LA64: #define __UINTMAX_MAX__ 18446744073709551615UL
// LA64: #define __UINTMAX_TYPE__ long unsigned int
// LA64: #define __UINTMAX_WIDTH__ 64
// LA64: #define __UINTPTR_FMTX__ "lX"
// LA64: #define __UINTPTR_FMTo__ "lo"
// LA64: #define __UINTPTR_FMTu__ "lu"
// LA64: #define __UINTPTR_FMTx__ "lx"
// LA64: #define __UINTPTR_MAX__ 18446744073709551615UL
// LA64: #define __UINTPTR_TYPE__ long unsigned int
// LA64: #define __UINTPTR_WIDTH__ 64
// LA64: #define __UINT_FAST16_FMTX__ "hX"
// LA64: #define __UINT_FAST16_FMTo__ "ho"
// LA64: #define __UINT_FAST16_FMTu__ "hu"
// LA64: #define __UINT_FAST16_FMTx__ "hx"
// LA64: #define __UINT_FAST16_MAX__ 65535
// TODO: LoongArch GCC defines UINT_FAST16 to be long unsigned int
// LA64: #define __UINT_FAST16_TYPE__ unsigned short
// LA64: #define __UINT_FAST32_FMTX__ "X"
// LA64: #define __UINT_FAST32_FMTo__ "o"
// LA64: #define __UINT_FAST32_FMTu__ "u"
// LA64: #define __UINT_FAST32_FMTx__ "x"
// LA64: #define __UINT_FAST32_MAX__ 4294967295U
// LA64: #define __UINT_FAST32_TYPE__ unsigned int
// LA64: #define __UINT_FAST64_FMTX__ "lX"
// LA64: #define __UINT_FAST64_FMTo__ "lo"
// LA64: #define __UINT_FAST64_FMTu__ "lu"
// LA64: #define __UINT_FAST64_FMTx__ "lx"
// LA64: #define __UINT_FAST64_MAX__ 18446744073709551615UL
// LA64: #define __UINT_FAST64_TYPE__ long unsigned int
// LA64: #define __UINT_FAST8_FMTX__ "hhX"
// LA64: #define __UINT_FAST8_FMTo__ "hho"
// LA64: #define __UINT_FAST8_FMTu__ "hhu"
// LA64: #define __UINT_FAST8_FMTx__ "hhx"
// LA64: #define __UINT_FAST8_MAX__ 255
// LA64: #define __UINT_FAST8_TYPE__ unsigned char
// LA64: #define __UINT_LEAST16_FMTX__ "hX"
// LA64: #define __UINT_LEAST16_FMTo__ "ho"
// LA64: #define __UINT_LEAST16_FMTu__ "hu"
// LA64: #define __UINT_LEAST16_FMTx__ "hx"
// LA64: #define __UINT_LEAST16_MAX__ 65535
// LA64: #define __UINT_LEAST16_TYPE__ unsigned short
// LA64: #define __UINT_LEAST32_FMTX__ "X"
// LA64: #define __UINT_LEAST32_FMTo__ "o"
// LA64: #define __UINT_LEAST32_FMTu__ "u"
// LA64: #define __UINT_LEAST32_FMTx__ "x"
// LA64: #define __UINT_LEAST32_MAX__ 4294967295U
// LA64: #define __UINT_LEAST32_TYPE__ unsigned int
// LA64: #define __UINT_LEAST64_FMTX__ "lX"
// LA64: #define __UINT_LEAST64_FMTo__ "lo"
// LA64: #define __UINT_LEAST64_FMTu__ "lu"
// LA64: #define __UINT_LEAST64_FMTx__ "lx"
// LA64: #define __UINT_LEAST64_MAX__ 18446744073709551615UL
// LA64: #define __UINT_LEAST64_TYPE__ long unsigned int
// LA64: #define __UINT_LEAST8_FMTX__ "hhX"
// LA64: #define __UINT_LEAST8_FMTo__ "hho"
// LA64: #define __UINT_LEAST8_FMTu__ "hhu"
// LA64: #define __UINT_LEAST8_FMTx__ "hhx"
// LA64: #define __UINT_LEAST8_MAX__ 255
// LA64: #define __UINT_LEAST8_TYPE__ unsigned char
// LA64: #define __USER_LABEL_PREFIX__
// LA64: #define __WCHAR_MAX__ 2147483647
// LA64: #define __WCHAR_TYPE__ int
// LA64: #define __WCHAR_WIDTH__ 32
// LA64: #define __WINT_MAX__ 4294967295U
// LA64: #define __WINT_TYPE__ unsigned int
// LA64: #define __WINT_UNSIGNED__ 1
// LA64: #define __WINT_WIDTH__ 32
// LA64-LINUX: #define __gnu_linux__ 1
// LA64-LINUX: #define __linux 1
// LA64-LINUX: #define __linux__ 1
// LA64: #define __loongarch__ 1
// LA64-LINUX: #define __unix 1
// LA64-LINUX: #define __unix__ 1
// LA64-LINUX: #define linux 1
// LA64-LINUX: #define unix 1