diff --git a/utils/bazel/.bazelrc b/utils/bazel/.bazelrc
--- a/utils/bazel/.bazelrc
+++ b/utils/bazel/.bazelrc
@@ -35,15 +35,15 @@
build:generic_clang --cxxopt=-std=c++14 --host_cxxopt=-std=c++14
# Use `-Wall` and `-Werror` for Clang.
-build:generic_clang --copt=-Wall --copt=-Werror --host_copt=-Wall --host_copt=-Werror
+build:generic_clang --cxxopt=-Wall --cxxopt=-Werror
# The Clang available on MacOS has a warning that isn't clean on MLIR code. The
# warning doesn't show up with more recent Clangs, so just disable for now.
-build:generic_clang --cxxopt=-Wno-range-loop-analysis --host_cxxopt=-Wno-range-loop-analysis
+build:generic_clang --cxxopt=-Wno-range-loop-analysis
# Build errors are not a helpful way to enforce deprecation in-repo and it is
# not the point of the Bazel build to catch usage of deprecated APIs.
-build:generic_clang --copt=-Wno-deprecated --host_copt=-Wno-deprecated
+build:generic_clang --cxxopt=-Wno-deprecated
###############################################################################
# Options for "generic_gcc" builds: these options should generally apply to
@@ -61,7 +61,7 @@
# Build errors are not a helpful way to enforce deprecation in-repo and it is
# not the point of the Bazel build to catch usage of deprecated APIs.
-build:generic_gcc --copt=-Wno-deprecated --host_copt=-Wno-deprecated
+build:generic_gcc --cxxopt=-Wno-deprecated
# Disable GCC warnings that are noisy and/or false positives on LLVM code.
# These need to be global as some code triggering these is in header files.
@@ -72,7 +72,7 @@
build:generic_gcc --copt=-Wno-misleading-indentation --host_copt=-Wno-misleading-indentation
# Use `-Werror` for GCC to make sure warnings don't slip past.
-build:generic_gcc --copt=-Werror --host_copt=-Werror
+build:generic_gcc --cxxopt=-Werror
###############################################################################
# Generic Windows flags common to both MSVC and Clang.
diff --git a/utils/bazel/WORKSPACE b/utils/bazel/WORKSPACE
--- a/utils/bazel/WORKSPACE
+++ b/utils/bazel/WORKSPACE
@@ -4,6 +4,7 @@
load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
SKYLIB_VERSION = "1.0.3"
@@ -71,16 +72,43 @@
name = "vulkan_sdk",
)
-http_archive(
+git_repository(
name = "bazel_toolchains",
- sha256 = "1adf5db506a7e3c465a26988514cfc3971af6d5b3c2218925cd6e71ee443fc3f",
- strip_prefix = "bazel-toolchains-4.0.0",
+ tag = "4.0.0",
+ remote = "https://github.com/bazelbuild/bazel-toolchains.git"
+)
+
+git_repository(
+ name = "rules_foreign_cc",
+ tag = "0.7.1",
+ remote = "https://github.com/bazelbuild/rules_foreign_cc.git"
+)
+
+load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
+
+rules_foreign_cc_dependencies()
+
+maybe(
+ http_archive,
+ name = "gmp",
+ build_file = "@llvm-raw//utils/bazel/third_party_build:gmp.BUILD",
+ sha256 = "fd4829912cddd12f84181c3451cc752be224643e87fac497b69edddadc49b4f2",
+ strip_prefix = "gmp-6.2.1",
urls = [
- "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/releases/download/4.0.0/bazel-toolchains-4.0.0.tar.gz",
- "https://github.com/bazelbuild/bazel-toolchains/releases/download/4.0.0/bazel-toolchains-4.0.0.tar.gz",
+ "https://gmplib.org/download/gmp/gmp-6.2.1.tar.xz",
+ "https://ftp.gnu.org/gnu/gmp/gmp-6.2.1.tar.xz",
],
)
+maybe(
+ http_archive,
+ name = "mpfr",
+ build_file = "@llvm-raw//utils/bazel/third_party_build:mpfr.BUILD",
+ sha256 = "3127fe813218f3a1f0adf4e8899de23df33b4cf4b4b3831a5314f78e65ffa2d6",
+ strip_prefix = "mpfr-4.1.0",
+ urls = ["https://www.mpfr.org/mpfr-current/mpfr-4.1.0.tar.gz"],
+)
+
load("@bazel_toolchains//rules:rbe_repo.bzl", "rbe_autoconfig")
rbe_autoconfig(name = "rbe_default")
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -36,13 +36,13 @@
cc_library(
name = "__support_cpp_array",
- hdrs = ["src/__support/CPP/Array.h",],
+ hdrs = ["src/__support/CPP/Array.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_array_ref",
- hdrs = ["src/__support/CPP/ArrayRef.h",],
+ hdrs = ["src/__support/CPP/ArrayRef.h"],
deps = [
":__support_cpp_array",
":__support_cpp_type_traits",
@@ -52,31 +52,31 @@
cc_library(
name = "__support_cpp_bit",
- hdrs = ["src/__support/CPP/Bit.h",],
+ hdrs = ["src/__support/CPP/Bit.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_bitset",
- hdrs = ["src/__support/CPP/Bitset.h",],
+ hdrs = ["src/__support/CPP/Bitset.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_functional",
- hdrs = ["src/__support/CPP/Functional.h",],
+ hdrs = ["src/__support/CPP/Functional.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_limits",
- hdrs = ["src/__support/CPP/Limits.h",],
+ hdrs = ["src/__support/CPP/Limits.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_string_view",
- hdrs = ["src/__support/CPP/StringView.h",],
+ hdrs = ["src/__support/CPP/StringView.h"],
deps = [":libc_root"],
)
@@ -90,7 +90,7 @@
cc_library(
name = "__support_cpp_utility",
- hdrs = ["src/__support/CPP/Utility.h",],
+ hdrs = ["src/__support/CPP/Utility.h"],
deps = [
":__support_cpp_type_traits",
":libc_root",
@@ -99,13 +99,13 @@
cc_library(
name = "__support_cpp_vector",
- hdrs = ["src/__support/CPP/vector.h",],
+ hdrs = ["src/__support/CPP/vector.h"],
deps = [":libc_root"],
)
cc_library(
name = "__support_cpp_atomic",
- hdrs = ["src/__support/CPP/atomic.h",],
+ hdrs = ["src/__support/CPP/atomic.h"],
deps = [
":__support_cpp_type_traits",
":libc_root",
diff --git a/utils/bazel/llvm-project-overlay/libc/test/libc_test_rules.bzl b/utils/bazel/llvm-project-overlay/libc/test/libc_test_rules.bzl
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/libc_test_rules.bzl
@@ -0,0 +1,32 @@
+"""LLVM libc starlark rules for tests."""
+
+load("@llvm-project//libc:libc_build_rules.bzl", "INTERNAL_SUFFIX")
+
+def libc_test(name, srcs, libc_function_deps, additional_deps = None, **kw):
+ """Add target for a libc test.
+
+ Args:
+ name: Test target name
+ srcs: List of sources for the test.
+ libc_function_deps: List of libc_function targets used by this test.
+ additional_deps: List of additional targets used by this test.
+ **kw: Attributes relevant for a cc_test. For example, name, srcs, deps.
+ """
+ if "deps" in kw:
+ fail("A libc_test target should list 'libc_function_deps' and " +
+ "'additional_deps' instead of 'deps'.")
+ deps = [
+ "@llvm-project//libc:libc_root",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ ]
+ for d in libc_function_deps:
+ deps.append(d + INTERNAL_SUFFIX)
+ if additional_deps:
+ deps.extend(additional_deps)
+ native.cc_test(
+ name = name,
+ srcs = srcs,
+ deps = deps,
+ features = ["-link_llvmlibc"], # Do not link libllvmlibc.a
+ **kw
+ )
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/fenv/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/fenv/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/fenv/BUILD.bazel
@@ -0,0 +1,118 @@
+# Tests for LLVM libc math.h functions.
+
+load("@llvm-project//libc:test/libc_test_rules.bzl", "libc_test")
+
+licenses(["notice"])
+
+libc_test(
+ name = "exception_status_test",
+ srcs = ["exception_status_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_fputil"
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:feclearexcept",
+ "@llvm-project//libc:feraiseexcept",
+ "@llvm-project//libc:fetestexcept",
+ ],
+)
+
+libc_test(
+ name = "rounding_mode_test",
+ srcs = ["rounding_mode_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:fegetround",
+ "@llvm-project//libc:fesetround",
+ ],
+)
+
+libc_test(
+ name = "enabled_exceptions_test",
+ srcs = ["enabled_exceptions_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ "@llvm-project//libc:__support_common",
+ "@llvm-project//libc:__support_fputil",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:feclearexcept",
+ "@llvm-project//libc:feraiseexcept",
+ "@llvm-project//libc:fetestexcept",
+ ],
+ tags = ["nosan"],
+)
+
+libc_test(
+ name = "feholdexcept_test",
+ srcs = ["feholdexcept_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ "@llvm-project//libc:__support_common",
+ "@llvm-project//libc:__support_fputil",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:feholdexcept"
+ ],
+ tags = ["nosan"],
+)
+
+libc_test(
+ name = "exception_flags_test",
+ srcs = ["exception_flags_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_fputil",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:fegetexceptflag",
+ "@llvm-project//libc:fesetexceptflag",
+ ],
+)
+
+libc_test(
+ name = "feclearexcept_test",
+ srcs = ["feclearexcept_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_fputil"
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:feclearexcept"
+ ],
+)
+
+libc_test(
+ name = "feenableexcept_test",
+ srcs = ["feenableexcept_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_common"
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:fedisableexcept",
+ "@llvm-project//libc:feenableexcept",
+ "@llvm-project//libc:fegetexcept",
+ ],
+)
+
+libc_test(
+ name = "feupdateenv_test",
+ srcs = ["feupdateenv_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_fputil"
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:feupdateenv"
+ ],
+)
+
+libc_test(
+ name = "getenv_and_setenv_test",
+ srcs = ["getenv_and_setenv_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_fputil"
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:fegetenv",
+ "@llvm-project//libc:fegetround",
+ "@llvm-project//libc:fesetenv",
+ "@llvm-project//libc:fesetround",
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
@@ -0,0 +1,465 @@
+# Tests for LLVM libc math.h functions.
+
+load("@llvm-project//libc/test/src/math:libc_math_test_rules.bzl", "math_test")
+
+licenses(["notice"])
+
+math_test(
+ name = "fabs",
+ hdrs = ["FAbsTest.h"],
+)
+
+math_test(
+ name = "fabsf",
+ hdrs = ["FAbsTest.h"],
+)
+
+math_test(
+ name = "fabsl",
+ hdrs = ["FAbsTest.h"],
+)
+
+math_test(
+ name = "ceil",
+ hdrs = ["CeilTest.h"],
+)
+
+math_test(
+ name = "ceilf",
+ hdrs = ["CeilTest.h"],
+)
+
+math_test(
+ name = "ceill",
+ hdrs = ["CeilTest.h"],
+)
+
+math_test(
+ name = "floor",
+ hdrs = ["FloorTest.h"],
+)
+
+math_test(
+ name = "floorf",
+ hdrs = ["FloorTest.h"],
+)
+
+math_test(
+ name = "floorl",
+ hdrs = ["FloorTest.h"],
+)
+
+math_test(
+ name = "trunc",
+ hdrs = ["TruncTest.h"],
+)
+
+math_test(
+ name = "truncf",
+ hdrs = ["TruncTest.h"],
+)
+
+math_test(
+ name = "truncl",
+ hdrs = ["TruncTest.h"],
+)
+
+math_test(
+ name = "round",
+ hdrs = ["RoundTest.h"],
+)
+
+math_test(
+ name = "roundf",
+ hdrs = ["RoundTest.h"],
+)
+
+math_test(
+ name = "roundl",
+ hdrs = ["RoundTest.h"],
+)
+
+math_test(
+ name = "frexp",
+ hdrs = ["FrexpTest.h"],
+)
+
+math_test(
+ name = "frexpf",
+ hdrs = ["FrexpTest.h"],
+)
+
+math_test(
+ name = "frexpl",
+ hdrs = ["FrexpTest.h"],
+)
+
+math_test(
+ name = "hypot",
+ hdrs = ["HypotTest.h"],
+)
+
+math_test(
+ name = "hypotf",
+ hdrs = [
+ "HypotTest.h",
+ "hypotf_hard_to_round.h",
+ ],
+)
+
+math_test(
+ name = "logb",
+ hdrs = ["LogbTest.h"],
+)
+
+math_test(
+ name = "logbf",
+ hdrs = ["LogbTest.h"],
+)
+
+math_test(
+ name = "logbl",
+ hdrs = ["LogbTest.h"],
+)
+
+math_test(
+ name = "modf",
+ hdrs = ["ModfTest.h"],
+)
+
+math_test(
+ name = "modff",
+ hdrs = ["ModfTest.h"],
+)
+
+math_test(
+ name = "modfl",
+ hdrs = ["ModfTest.h"],
+)
+
+cc_library(
+ name = "remquo_test_template",
+ hdrs = ["RemQuoTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/MPFRWrapper:mpfr_wrapper",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "remquo",
+ additional_deps = [":remquo_test_template"],
+)
+
+math_test(
+ name = "remquof",
+ additional_deps = [":remquo_test_template"],
+)
+
+math_test(
+ name = "remquol",
+ additional_deps = [":remquo_test_template"],
+)
+
+math_test(
+ name = "fmin",
+ hdrs = ["FMinTest.h"],
+)
+
+math_test(
+ name = "fminf",
+ hdrs = ["FMinTest.h"],
+)
+
+math_test(
+ name = "fminl",
+ hdrs = ["FMinTest.h"],
+)
+
+math_test(
+ name = "fmax",
+ hdrs = ["FMaxTest.h"],
+)
+
+math_test(
+ name = "fmaxf",
+ hdrs = ["FMaxTest.h"],
+)
+
+math_test(
+ name = "fmaxl",
+ hdrs = ["FMaxTest.h"],
+)
+
+math_test(
+ name = "sqrt",
+ hdrs = ["SqrtTest.h"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_array",
+ "@llvm-project//libc:__support_cpp_bit",
+ ],
+)
+
+math_test(
+ name = "sqrtf",
+ hdrs = ["SqrtTest.h"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_array",
+ "@llvm-project//libc:__support_cpp_bit",
+ ],
+)
+
+# TODO(sivachandra): sqrtl test currently fails on Aarch64 because of
+# insufficient precision in MPFR leading to https://hal.archives-ouvertes.fr/hal-01091186/document
+# We will comment it out for now and wait for it to get fixed upstream.
+# math_test(name = "sqrtl")
+
+math_test(
+ name = "copysign",
+ hdrs = ["CopySignTest.h"],
+)
+
+math_test(
+ name = "copysignf",
+ hdrs = ["CopySignTest.h"],
+)
+
+math_test(
+ name = "copysignl",
+ hdrs = ["CopySignTest.h"],
+)
+
+cc_library(
+ name = "ilogb_test_template",
+ hdrs = ["ILogbTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ ],
+)
+
+math_test(
+ name = "ilogb",
+ additional_deps = [":ilogb_test_template"],
+)
+
+math_test(
+ name = "ilogbf",
+ additional_deps = [":ilogb_test_template"],
+)
+
+math_test(
+ name = "ilogbl",
+ additional_deps = [":ilogb_test_template"],
+)
+
+cc_library(
+ name = "fdim_test_template",
+ hdrs = ["FDimTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "fdim",
+ additional_deps = [":fdim_test_template"],
+)
+
+math_test(
+ name = "fdimf",
+ additional_deps = [":fdim_test_template"],
+)
+
+math_test(
+ name = "fdiml",
+ additional_deps = [":fdim_test_template"],
+)
+
+cc_library(
+ name = "ldexp_test_template",
+ hdrs = ["LdExpTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "ldexp",
+ additional_deps = [":ldexp_test_template"],
+)
+
+math_test(
+ name = "ldexpf",
+ additional_deps = [":ldexp_test_template"],
+)
+
+math_test(
+ name = "ldexpl",
+ additional_deps = [":ldexp_test_template"],
+)
+
+cc_library(
+ name = "rint_test_template",
+ hdrs = ["RIntTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/MPFRWrapper:mpfr_wrapper",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "rint",
+ additional_deps = [":rint_test_template"],
+)
+
+math_test(
+ name = "rintf",
+ additional_deps = [":rint_test_template"],
+)
+
+math_test(
+ name = "rintl",
+ additional_deps = [":rint_test_template"],
+)
+
+cc_library(
+ name = "round_to_integer_test_template",
+ hdrs = ["RoundToIntegerTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/MPFRWrapper:mpfr_wrapper",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "lrint",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "lrintf",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "lrintl",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llrint",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llrintf",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llrintl",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "lround",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "lroundf",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "lroundl",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llround",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llroundf",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+math_test(
+ name = "llroundl",
+ additional_deps = [":round_to_integer_test_template"],
+)
+
+cc_library(
+ name = "nextafter_test_template",
+ hdrs = ["NextAfterTest.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc:__support_cpp_array",
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ],
+)
+
+math_test(
+ name = "nextafter",
+ additional_deps = [":nextafter_test_template"],
+)
+
+math_test(
+ name = "nextafterf",
+ additional_deps = [":nextafter_test_template"],
+)
+
+math_test(
+ name = "nextafterl",
+ additional_deps = [":nextafter_test_template"],
+)
+
+cc_library(
+ name = "sdcomp26094",
+ hdrs = ["sdcomp26094.h"],
+ deps = [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc:__support_cpp_array",
+ "@llvm-project//libc:libc_root",
+ ],
+)
+
+math_test(
+ name = "cosf",
+ additional_deps = [
+ ":sdcomp26094",
+ "@llvm-project//libc:__support_cpp_array",
+ ],
+)
+
+math_test(
+ name = "sincosf",
+ additional_deps = [
+ ":sdcomp26094",
+ "@llvm-project//libc:__support_cpp_array",
+ ],
+)
+
+math_test(
+ name = "sinf",
+ additional_deps = [
+ ":sdcomp26094",
+ "@llvm-project//libc:__support_cpp_array",
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/libc_math_test_rules.bzl b/utils/bazel/llvm-project-overlay/libc/test/src/math/libc_math_test_rules.bzl
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/libc_math_test_rules.bzl
@@ -0,0 +1,30 @@
+load("@llvm-project//libc:test/libc_test_rules.bzl", "libc_test")
+
+def math_test(name, additional_deps = None, need_mpfr = True, hdrs = None):
+ """Add a target for the unittest of a math function.
+
+ Args:
+ name: The name of the function being tested.
+ additional_deps: List of additional depenencies required by the test.
+ need_mpfr: True if the test uses mpfr_wrappper, False otherwise.
+ hdrs: List of headers to add.
+ """
+ test_name = name + "_test"
+ srcs = [test_name + ".cpp"] + (hdrs or [])
+ additional_deps = additional_deps or []
+ libc_function_deps = ["@llvm-project//libc:" + name]
+ additional_deps += [
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ ]
+ if need_mpfr:
+ additional_deps.append(
+ "@llvm-project//libc/utils/MPFRWrapper:mpfr_wrapper",
+ )
+ libc_test(
+ name = test_name,
+ srcs = srcs,
+ libc_function_deps = libc_function_deps,
+ additional_deps = additional_deps,
+ size = "enormous", # Some tests are emulated and take very long.
+ )
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/stdlib/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/stdlib/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/stdlib/BUILD.bazel
@@ -0,0 +1,77 @@
+# Tests for LLVM libc stdlib.h functions.
+
+load("@llvm-project//libc:test/libc_test_rules.bzl", "libc_test")
+
+licenses(["notice"])
+
+libc_test(
+ name = "atoi_test",
+ srcs = ["atoi_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:atoi"
+ ],
+)
+
+libc_test(
+ name = "atol_test",
+ srcs = ["atol_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:atol"
+ ],
+)
+
+libc_test(
+ name = "atoll_test",
+ srcs = ["atoll_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:atoll"
+ ],
+)
+
+libc_test(
+ name = "bsearch_test",
+ srcs = ["bsearch_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:bsearch"
+ ],
+)
+
+libc_test(
+ name = "qsort_test",
+ srcs = ["qsort_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:qsort"
+ ],
+)
+
+libc_test(
+ name = "strtol_test",
+ srcs = ["strtol_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strtol"
+ ],
+)
+
+libc_test(
+ name = "strtoll_test",
+ srcs = ["strtoll_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strtoll"
+ ],
+)
+
+libc_test(
+ name = "strtoul_test",
+ srcs = ["strtoul_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strtoul"
+ ],
+)
+
+libc_test(
+ name = "strtoull_test",
+ srcs = ["strtoull_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strtoull"
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/string/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/string/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/string/BUILD.bazel
@@ -0,0 +1,175 @@
+# Tests for LLVM libc string.h functions.
+
+load("@llvm-project//libc:test/libc_test_rules.bzl", "libc_test")
+
+licenses(["notice"])
+
+libc_test(
+ name = "strlen_test",
+ srcs = ["strlen_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strlen"
+ ],
+)
+
+libc_test(
+ name = "strcpy_test",
+ srcs = ["strcpy_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strcpy_sanitized"
+ ],
+)
+
+libc_test(
+ name = "strcmp_test",
+ srcs = ["strcmp_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strcmp"
+ ],
+)
+
+libc_test(
+ name = "memchr_test",
+ srcs = ["memchr_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:memchr"
+ ],
+)
+
+libc_test(
+ name = "strchr_test",
+ srcs = ["strchr_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strchr"
+ ],
+)
+
+libc_test(
+ name = "strstr_test",
+ srcs = ["strstr_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strstr"
+ ],
+)
+
+libc_test(
+ name = "strnlen_test",
+ srcs = ["strnlen_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strnlen"
+ ],
+)
+
+libc_test(
+ name = "memrchr_test",
+ srcs = ["memrchr_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:memrchr"
+ ],
+)
+
+libc_test(
+ name = "strrchr_test",
+ srcs = ["strrchr_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strrchr"
+ ],
+)
+
+libc_test(
+ name = "strcspn_test",
+ srcs = ["strcspn_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strcspn"
+ ],
+)
+
+libc_test(
+ name = "strspn_test",
+ srcs = ["strspn_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strspn"
+ ],
+)
+
+libc_test(
+ name = "strtok_test",
+ srcs = ["strtok_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:strtok"
+ ],
+)
+
+libc_test(
+ name = "memcpy_test",
+ srcs = ["memcpy_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:memcpy"
+ ],
+)
+
+libc_test(
+ name = "memset_test",
+ srcs = ["memset_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:memset"
+ ],
+)
+
+libc_test(
+ name = "memmove_test",
+ srcs = ["memmove_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ "@llvm-project//libc/utils/UnitTest:memory_matcher",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:memcmp",
+ "@llvm-project//libc:memmove",
+ ],
+)
+
+libc_test(
+ name = "memcmp_test",
+ srcs = ["memcmp_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:memcmp"
+ ],
+)
+
+libc_test(
+ name = "bcmp_test",
+ srcs = ["bcmp_test.cpp"],
+ libc_function_deps = [
+ "@llvm-project//libc:bcmp"
+ ],
+)
+
+libc_test(
+ name = "bzero_test",
+ srcs = ["bzero_test.cpp"],
+ additional_deps = [
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ ],
+ libc_function_deps = [
+ "@llvm-project//libc:bzero"
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/utils/MPFRWrapper/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/utils/MPFRWrapper/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/utils/MPFRWrapper/BUILD.bazel
@@ -0,0 +1,23 @@
+# A wrapper library over MPFR for use with LLVM libc math unittests.
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+cc_library(
+ name = "mpfr_wrapper",
+ srcs = ["MPFRUtils.cpp"],
+ hdrs = ["MPFRUtils.h"],
+ deps = [
+ "@llvm-project//libc:__support_common",
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_string_view",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc:libc_root",
+ "@llvm-project//libc/utils/UnitTest:LibcUnitTest",
+ "@llvm-project//libc/utils/UnitTest:fp_test_helpers",
+ "@mpfr//:mpfr_",
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/utils/UnitTest/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/utils/UnitTest/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/utils/UnitTest/BUILD.bazel
@@ -0,0 +1,66 @@
+# LLVM libc unittest library.
+
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+cc_library(
+ name = "LibcUnitTest",
+ srcs = [
+ "LibcTest.cpp",
+ "LibcTestMain.cpp",
+ ],
+ hdrs = [
+ "LibcTest.h",
+ "PlatformDefs.h",
+ "Test.h",
+ ],
+ deps = [
+ "@llvm-project//libc:__support_cpp_array_ref",
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "//llvm:Support",
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc:libc_root",
+ "@llvm-project//libc/utils/testutils:libc_test_utils",
+ ],
+)
+
+cc_library(
+ name = "fp_test_helpers",
+ srcs = [
+ "FPExceptMatcher.cpp",
+ "FPMatcher.cpp",
+ ],
+ hdrs = [
+ "FPExceptMatcher.h",
+ "FPMatcher.h",
+ ],
+ deps = [
+ ":LibcUnitTest",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ "@llvm-project//libc:__support_fputil",
+ "@llvm-project//libc:libc_root",
+ ],
+)
+
+cc_library(
+ name = "memory_matcher",
+ srcs = [
+ "MemoryMatcher.cpp"
+ ],
+ hdrs = [
+ "MemoryMatcher.h"
+ ],
+ deps = [
+ ":LibcUnitTest",
+ "@llvm-project//libc:__support_cpp_array_ref",
+ "@llvm-project//libc:__support_cpp_bit",
+ "@llvm-project//libc:__support_cpp_bitset",
+ "@llvm-project//libc:__support_cpp_type_traits",
+ ],
+)
diff --git a/utils/bazel/llvm-project-overlay/libc/utils/testutils/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/utils/testutils/BUILD.bazel
new file mode 100644
--- /dev/null
+++ b/utils/bazel/llvm-project-overlay/libc/utils/testutils/BUILD.bazel
@@ -0,0 +1,21 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+cc_library(
+ name = "libc_test_utils",
+ srcs = [
+ "ExecuteFunctionUnix.cpp",
+ "FDReaderUnix.cpp",
+ "StreamWrapper.cpp",
+ ],
+ hdrs = [
+ "ExecuteFunction.h",
+ "FDReader.h",
+ "StreamWrapper.h",
+ ],
+ deps = [
+ "//llvm:Support",
+ "@llvm-project//libc:libc_root",
+ ],
+)
diff --git a/utils/bazel/third_party_build/gmp.BUILD b/utils/bazel/third_party_build/gmp.BUILD
new file mode 100644
--- /dev/null
+++ b/utils/bazel/third_party_build/gmp.BUILD
@@ -0,0 +1,15 @@
+load("@rules_foreign_cc//foreign_cc:defs.bzl", "configure_make_variant")
+
+filegroup(
+ name = "sources",
+ srcs = glob(["**"]),
+)
+
+configure_make_variant(
+ name = "gmp",
+ toolchain = "@rules_foreign_cc//toolchains:preinstalled_autoconf_toolchain",
+ copts = ["-Wno-error"], # ./configure crashes with `-Werror`
+ lib_name = "libgmp",
+ lib_source = ":sources",
+ visibility = ["//visibility:public"],
+)
diff --git a/utils/bazel/third_party_build/mpfr.BUILD b/utils/bazel/third_party_build/mpfr.BUILD
new file mode 100644
--- /dev/null
+++ b/utils/bazel/third_party_build/mpfr.BUILD
@@ -0,0 +1,16 @@
+load("@rules_foreign_cc//foreign_cc:defs.bzl", "configure_make_variant")
+
+filegroup(
+ name = "sources",
+ srcs = glob(["**"]),
+)
+
+configure_make_variant(
+ name = "mpfr",
+ toolchain = "@rules_foreign_cc//toolchains:preinstalled_autoconf_toolchain",
+ copts = ["-Wno-error"], # ./configure crashes with `-Werror`
+ lib_name = "libmpfr",
+ lib_source = ":sources",
+ visibility = ["//visibility:public"],
+ deps = ["@gmp//:gmp_"],
+)