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authorMichał Górny <mgorny@gentoo.org>2018-10-02 19:56:57 +0200
committerMichał Górny <mgorny@gentoo.org>2018-10-02 20:40:55 +0200
commitcf5cbc3700bc996519f9c5273973f58e6ec3d580 (patch)
tree06a99da1c90aac03ff6337f44ff9ee05417a53e8 /sys-devel/llvm
parentdev-vcs/git: stable 2.18.0 for sparc, bug #667518 (diff)
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sys-devel/llvm: Backport X86 codegen bugfix for Chromium builds
Backport the X86 codegen fix to 7.0.0 and 6.0.1, to ~arch. Hopefully people will get this along with libffi-enforced rebuild. We can stabilize 6.0.1-r2 either when stable users start hitting this, or when libffi gets stable. Bug: https://bugs.gentoo.org/664868 Signed-off-by: Michał Górny <mgorny@gentoo.org>
Diffstat (limited to 'sys-devel/llvm')
-rw-r--r--sys-devel/llvm/files/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch110
-rw-r--r--sys-devel/llvm/llvm-6.0.1-r2.ebuild270
-rw-r--r--sys-devel/llvm/llvm-7.0.0-r1.ebuild264
3 files changed, 644 insertions, 0 deletions
diff --git a/sys-devel/llvm/files/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch b/sys-devel/llvm/files/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch
new file mode 100644
index 00000000000..f38907cdd4c
--- /dev/null
+++ b/sys-devel/llvm/files/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch
@@ -0,0 +1,110 @@
+From 72da952b396f43d2ce6ca20a0f0d75212fea6b28 Mon Sep 17 00:00:00 2001
+From: Craig Topper <craig.topper@intel.com>
+Date: Mon, 1 Oct 2018 07:08:41 +0000
+Subject: [PATCH] [X86] Stop X86DomainReassignment from creating copies between
+ GR8/GR16 physical registers and k-registers.
+
+We can only copy between a k-register and a GR32/GR64 register.
+
+This patch detects that the copy will be illegal and prevents the domain reassignment from happening for that closure.
+
+This probably isn't the best fix, and we should probably figure out how to handle this correctly.
+
+Fixes PR38803.
+
+git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343443 91177308-0d34-0410-b5e6-96231b3b80d8
+---
+ lib/Target/X86/X86DomainReassignment.cpp | 21 +++++++++++
+ test/CodeGen/X86/pr38803.ll | 48 ++++++++++++++++++++++++
+ 2 files changed, 69 insertions(+)
+ create mode 100644 test/CodeGen/X86/pr38803.ll
+
+diff --git a/lib/Target/X86/X86DomainReassignment.cpp b/lib/Target/X86/X86DomainReassignment.cpp
+index 5196446b39e..62588e9509d 100644
+--- a/lib/Target/X86/X86DomainReassignment.cpp
++++ b/lib/Target/X86/X86DomainReassignment.cpp
+@@ -217,6 +217,27 @@ public:
+ InstrCOPYReplacer(unsigned SrcOpcode, RegDomain DstDomain, unsigned DstOpcode)
+ : InstrReplacer(SrcOpcode, DstOpcode), DstDomain(DstDomain) {}
+
++ bool isLegal(const MachineInstr *MI,
++ const TargetInstrInfo *TII) const override {
++ if (!InstrConverterBase::isLegal(MI, TII))
++ return false;
++
++ // Don't allow copies to/flow GR8/GR16 physical registers.
++ // FIXME: Is there some better way to support this?
++ unsigned DstReg = MI->getOperand(0).getReg();
++ if (TargetRegisterInfo::isPhysicalRegister(DstReg) &&
++ (X86::GR8RegClass.contains(DstReg) ||
++ X86::GR16RegClass.contains(DstReg)))
++ return false;
++ unsigned SrcReg = MI->getOperand(1).getReg();
++ if (TargetRegisterInfo::isPhysicalRegister(SrcReg) &&
++ (X86::GR8RegClass.contains(SrcReg) ||
++ X86::GR16RegClass.contains(SrcReg)))
++ return false;
++
++ return true;
++ }
++
+ double getExtraCost(const MachineInstr *MI,
+ MachineRegisterInfo *MRI) const override {
+ assert(MI->getOpcode() == TargetOpcode::COPY && "Expected a COPY");
+diff --git a/test/CodeGen/X86/pr38803.ll b/test/CodeGen/X86/pr38803.ll
+new file mode 100644
+index 00000000000..a1ca27d89b0
+--- /dev/null
++++ b/test/CodeGen/X86/pr38803.ll
+@@ -0,0 +1,48 @@
++; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
++; RUN: llc < %s -mcpu=skylake-avx512 -mtriple=x86_64-unknown-unknown | FileCheck %s
++
++@b = local_unnamed_addr global i32 0, align 4
++@c = local_unnamed_addr global i32 0, align 4
++@d = local_unnamed_addr global float 0.000000e+00, align 4
++
++define float @_Z3fn2v() {
++; CHECK-LABEL: _Z3fn2v:
++; CHECK: # %bb.0: # %entry
++; CHECK-NEXT: pushq %rax
++; CHECK-NEXT: .cfi_def_cfa_offset 16
++; CHECK-NEXT: callq _Z1av
++; CHECK-NEXT: # kill: def $al killed $al def $eax
++; CHECK-NEXT: kmovd %eax, %k1
++; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
++; CHECK-NEXT: vmovss %xmm0, %xmm0, %xmm0 {%k1} {z}
++; CHECK-NEXT: cmpl $0, {{.*}}(%rip)
++; CHECK-NEXT: je .LBB0_2
++; CHECK-NEXT: # %bb.1: # %if.then
++; CHECK-NEXT: vcvtsi2ssl {{.*}}(%rip), %xmm1, %xmm1
++; CHECK-NEXT: kmovd %eax, %k1
++; CHECK-NEXT: vxorps %xmm2, %xmm2, %xmm2
++; CHECK-NEXT: vmovss %xmm2, %xmm0, %xmm1 {%k1}
++; CHECK-NEXT: vmovss %xmm1, {{.*}}(%rip)
++; CHECK-NEXT: .LBB0_2: # %if.end
++; CHECK-NEXT: popq %rax
++; CHECK-NEXT: .cfi_def_cfa_offset 8
++; CHECK-NEXT: retq
++entry:
++ %call = tail call zeroext i1 @_Z1av()
++ %cond = select i1 %call, float 7.500000e-01, float 0.000000e+00
++ %0 = load i32, i32* @c, align 4
++ %tobool2 = icmp eq i32 %0, 0
++ br i1 %tobool2, label %if.end, label %if.then
++
++if.then: ; preds = %entry
++ %1 = load i32, i32* @b, align 4
++ %2 = sitofp i32 %1 to float
++ %conv5 = select i1 %call, float 0.000000e+00, float %2
++ store float %conv5, float* @d, align 4
++ br label %if.end
++
++if.end: ; preds = %entry, %if.then
++ ret float %cond
++}
++
++declare zeroext i1 @_Z1av()
+--
+2.19.0
+
diff --git a/sys-devel/llvm/llvm-6.0.1-r2.ebuild b/sys-devel/llvm/llvm-6.0.1-r2.ebuild
new file mode 100644
index 00000000000..d2078979150
--- /dev/null
+++ b/sys-devel/llvm/llvm-6.0.1-r2.ebuild
@@ -0,0 +1,270 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-utils eapi7-ver flag-o-matic multilib-minimal \
+ multiprocessing pax-utils python-any-r1 toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz
+ !doc? ( https://dev.gentoo.org/~mgorny/dist/llvm/${P}-manpages.tar.bz2 )"
+
+# Keep in sync with CMakeLists.txt
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
+ NVPTX PowerPC Sparc SystemZ X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. ARM backend: LLVM Software Grant by ARM.
+# 3. MD5 code: public-domain.
+# 4. Tests (not installed):
+# a. gtest: BSD.
+# b. YAML tests: MIT.
+
+LICENSE="UoI-NCSA rc BSD public-domain
+ llvm_targets_ARM? ( LLVM-Grant )"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos"
+IUSE="debug doc gold libedit +libffi ncurses test xar xml
+ kernel_Darwin ${ALL_LLVM_TARGETS[*]}"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ sys-libs/zlib:0=
+ gold? ( >=sys-devel/binutils-2.22:*[cxx] )
+ libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+ libffi? ( >=virtual/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+ ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+ xar? ( app-arch/xar )
+ xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )"
+# configparser-3.2 breaks the build (3.3 or none at all are fine)
+DEPEND="${RDEPEND}
+ dev-lang/perl
+ || ( >=sys-devel/gcc-3.0 >=sys-devel/llvm-3.5
+ ( >=sys-freebsd/freebsd-lib-9.1-r10 sys-libs/libcxx )
+ )
+ kernel_Darwin? (
+ <sys-libs/libcxx-$(ver_cut 1-3).9999
+ >=sys-devel/binutils-apple-5.1
+ )
+ doc? ( dev-python/sphinx )
+ gold? ( sys-libs/binutils-libs )
+ libffi? ( virtual/pkgconfig )
+ !!<dev-python/configparser-3.3.0.2
+ ${PYTHON_DEPS}"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="${RDEPEND}
+ !sys-devel/llvm:0"
+PDEPEND="sys-devel/llvm-common
+ gold? ( >=sys-devel/llvmgold-${SLOT} )"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+ || ( ${ALL_LLVM_TARGETS[*]} )"
+
+S=${WORKDIR}/${P/_/}.src
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+src_prepare() {
+ # Fix llvm-config for shared linking and sane flags
+ # https://bugs.gentoo.org/show_bug.cgi?id=565358
+ eapply "${FILESDIR}"/9999/0007-llvm-config-Clean-up-exported-values-update-for-shar.patch
+
+ # Fix appending -Wl,-rpath-link on non-Linux (-> FreeBSD).
+ eapply "${FILESDIR}"/6.0.1/0001-cmake-Append-Wl-rpath-link-conditionally-to-GNULD.patch
+
+ # Fix assembly compatibility with binutils-2.31.1
+ # https://bugs.gentoo.org/663442
+ eapply "${FILESDIR}"/6.0.1/0002-llvm-mc-Produce-R_X86_64_PLT32-for-call-jmp-foo.patch
+
+ # Fix x86 codegen bug triggered by Chromium
+ # https://bugs.gentoo.org/664868
+ eapply "${FILESDIR}"/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch
+
+ # disable use of SDK on OSX, bug #568758
+ sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
+
+ # User patches + QA
+ cmake-utils_src_prepare
+}
+
+multilib_src_configure() {
+ local ffi_cflags ffi_ldflags
+ if use libffi; then
+ ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+ ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+ fi
+
+ local libdir=$(get_libdir)
+ local mycmakeargs=(
+ # disable appending VCS revision to the version to improve
+ # direct cache hit ratio
+ -DLLVM_APPEND_VC_REV=OFF
+ -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
+ -DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+ -DBUILD_SHARED_LIBS=ON
+ -DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+ -DLLVM_BUILD_TESTS=$(usex test)
+
+ -DLLVM_ENABLE_FFI=$(usex libffi)
+ -DLLVM_ENABLE_LIBEDIT=$(usex libedit)
+ -DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+ -DLLVM_ENABLE_LIBXML2=$(usex xml)
+ -DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+ -DLLVM_ENABLE_EH=ON
+ -DLLVM_ENABLE_RTTI=ON
+
+ -DWITH_POLLY=OFF # TODO
+
+ -DLLVM_HOST_TRIPLE="${CHOST}"
+
+ -DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+ -DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+ # used only for llvm-objdump tool
+ -DHAVE_LIBXAR=$(multilib_native_usex xar 1 0)
+
+ # disable OCaml bindings (now in dev-ml/llvm-ocaml)
+ -DOCAMLFIND=NO
+ )
+
+# Note: go bindings have no CMake rules at the moment
+# but let's kill the check in case they are introduced
+# if ! multilib_is_native_abi || ! use go; then
+ mycmakeargs+=(
+ -DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
+ )
+# fi
+
+ use test && mycmakeargs+=(
+ -DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
+ )
+
+ if multilib_is_native_abi; then
+ mycmakeargs+=(
+ -DLLVM_BUILD_DOCS=$(usex doc)
+ -DLLVM_ENABLE_OCAMLDOC=OFF
+ -DLLVM_ENABLE_SPHINX=$(usex doc)
+ -DLLVM_ENABLE_DOXYGEN=OFF
+ -DLLVM_INSTALL_UTILS=ON
+ )
+ use doc && mycmakeargs+=(
+ -DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+ -DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+ -DSPHINX_WARNINGS_AS_ERRORS=OFF
+ )
+ use gold && mycmakeargs+=(
+ -DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+ )
+ fi
+
+ if tc-is-cross-compiler; then
+ local tblgen="${EPREFIX}/usr/lib/llvm/${SLOT}/bin/llvm-tblgen"
+ [[ -x "${tblgen}" ]] \
+ || die "${tblgen} not found or usable"
+ mycmakeargs+=(
+ -DCMAKE_CROSSCOMPILING=ON
+ -DLLVM_TABLEGEN="${tblgen}"
+ )
+ fi
+
+ # workaround BMI bug in gcc-7 (fixed in 7.4)
+ # https://bugs.gentoo.org/649880
+ # apply only to x86, https://bugs.gentoo.org/650506
+ if tc-is-gcc && [[ ${MULTILIB_ABI_FLAG} == abi_x86* ]] &&
+ [[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]
+ then
+ local CFLAGS="${CFLAGS} -mno-bmi"
+ local CXXFLAGS="${CXXFLAGS} -mno-bmi"
+ fi
+
+ # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+ use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+ cmake-utils_src_configure
+}
+
+multilib_src_compile() {
+ cmake-utils_src_compile
+
+ pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
+ pax-mark m "${BUILD_DIR}"/bin/lli
+ pax-mark m "${BUILD_DIR}"/bin/lli-child-target
+
+ if use test; then
+ pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
+ pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
+ pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
+ fi
+}
+
+multilib_src_test() {
+ # respect TMPDIR!
+ local -x LIT_PRESERVES_TMP=1
+ cmake-utils_src_make check
+}
+
+src_install() {
+ local MULTILIB_CHOST_TOOLS=(
+ /usr/lib/llvm/${SLOT}/bin/llvm-config
+ )
+
+ local MULTILIB_WRAPPED_HEADERS=(
+ /usr/include/llvm/Config/llvm-config.h
+ )
+
+ local LLVM_LDPATHS=()
+ multilib-minimal_src_install
+
+ # move wrapped headers back
+ mv "${ED%/}"/usr/include "${ED%/}"/usr/lib/llvm/${SLOT}/include || die
+}
+
+multilib_src_install() {
+ cmake-utils_src_install
+
+ # move headers to /usr/include for wrapping
+ rm -rf "${ED%/}"/usr/include || die
+ mv "${ED%/}"/usr/lib/llvm/${SLOT}/include "${ED%/}"/usr/include || die
+
+ LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)" )
+}
+
+multilib_src_install_all() {
+ local revord=$(( 9999 - ${SLOT} ))
+ cat <<-_EOF_ > "${T}/10llvm-${revord}" || die
+ PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+ # we need to duplicate it in ROOTPATH for Portage to respect...
+ ROOTPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+ MANPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+ LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
+_EOF_
+ doenvd "${T}/10llvm-${revord}"
+
+ # install pre-generated manpages
+ if ! use doc; then
+ # (doman does not support custom paths)
+ insinto "/usr/lib/llvm/${SLOT}/share/man/man1"
+ doins "${WORKDIR}/${P}-manpages/llvm"/*.1
+ fi
+
+ docompress "/usr/lib/llvm/${SLOT}/share/man"
+}
+
+pkg_postinst() {
+ elog "You can find additional opt-viewer utility scripts in:"
+ elog " ${EROOT}/usr/lib/llvm/${SLOT}/share/opt-viewer"
+ elog "To use these scripts, you will need Python 2.7 along with the following"
+ elog "packages:"
+ elog " dev-python/pygments (for opt-viewer)"
+ elog " dev-python/pyyaml (for all of them)"
+}
diff --git a/sys-devel/llvm/llvm-7.0.0-r1.ebuild b/sys-devel/llvm/llvm-7.0.0-r1.ebuild
new file mode 100644
index 00000000000..49fdc4c05a6
--- /dev/null
+++ b/sys-devel/llvm/llvm-7.0.0-r1.ebuild
@@ -0,0 +1,264 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
+# (needed due to CMAKE_BUILD_TYPE != Gentoo)
+CMAKE_MIN_VERSION=3.7.0-r1
+PYTHON_COMPAT=( python2_7 )
+
+inherit cmake-utils eapi7-ver flag-o-matic multilib-minimal \
+ multiprocessing pax-utils python-any-r1 toolchain-funcs
+
+DESCRIPTION="Low Level Virtual Machine"
+HOMEPAGE="https://llvm.org/"
+SRC_URI="https://releases.llvm.org/${PV/_//}/${P/_/}.src.tar.xz
+ !doc? ( https://dev.gentoo.org/~mgorny/dist/llvm/${P}-manpages.tar.bz2 )"
+
+# Keep in sync with CMakeLists.txt
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM BPF Hexagon Lanai Mips MSP430
+ NVPTX PowerPC Sparc SystemZ X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+
+# Additional licenses:
+# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
+# 2. ARM backend: LLVM Software Grant by ARM.
+# 3. MD5 code: public-domain.
+# 4. Tests (not installed):
+# a. gtest: BSD.
+# b. YAML tests: MIT.
+
+LICENSE="UoI-NCSA rc BSD public-domain
+ llvm_targets_ARM? ( LLVM-Grant )"
+SLOT="$(ver_cut 1)"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc64 ~x86 ~amd64-fbsd ~amd64-linux ~ppc-macos ~x64-macos ~x86-macos"
+IUSE="debug doc exegesis gold libedit +libffi ncurses test xar xml
+ kernel_Darwin ${ALL_LLVM_TARGETS[*]}"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+ sys-libs/zlib:0=
+ exegesis? ( dev-libs/libpfm:= )
+ gold? ( >=sys-devel/binutils-2.22:*[cxx] )
+ libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
+ libffi? ( >=virtual/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
+ ncurses? ( >=sys-libs/ncurses-5.9-r3:0=[${MULTILIB_USEDEP}] )
+ xar? ( app-arch/xar )
+ xml? ( dev-libs/libxml2:2=[${MULTILIB_USEDEP}] )"
+# configparser-3.2 breaks the build (3.3 or none at all are fine)
+DEPEND="${RDEPEND}
+ dev-lang/perl
+ || ( >=sys-devel/gcc-3.0 >=sys-devel/llvm-3.5
+ ( >=sys-freebsd/freebsd-lib-9.1-r10 sys-libs/libcxx )
+ )
+ kernel_Darwin? (
+ <sys-libs/libcxx-$(ver_cut 1-3).9999
+ >=sys-devel/binutils-apple-5.1
+ )
+ doc? ( dev-python/sphinx )
+ gold? ( sys-libs/binutils-libs )
+ libffi? ( virtual/pkgconfig )
+ !!<dev-python/configparser-3.3.0.2
+ ${PYTHON_DEPS}"
+# There are no file collisions between these versions but having :0
+# installed means llvm-config there will take precedence.
+RDEPEND="${RDEPEND}
+ !sys-devel/llvm:0"
+PDEPEND="sys-devel/llvm-common
+ gold? ( >=sys-devel/llvmgold-${SLOT} )"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}
+ || ( ${ALL_LLVM_TARGETS[*]} )"
+
+S=${WORKDIR}/${P/_/}.src
+
+# least intrusive of all
+CMAKE_BUILD_TYPE=RelWithDebInfo
+
+src_prepare() {
+ # Fix llvm-config for shared linking and sane flags
+ # https://bugs.gentoo.org/show_bug.cgi?id=565358
+ eapply "${FILESDIR}"/9999/0007-llvm-config-Clean-up-exported-values-update-for-shar.patch
+
+ # Fix x86 codegen bug triggered by Chromium
+ # https://bugs.gentoo.org/664868
+ eapply "${FILESDIR}"/7.0.0/0001-X86-Stop-X86DomainReassignment-from-creating-copies-.patch
+
+ # disable use of SDK on OSX, bug #568758
+ sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die
+
+ # User patches + QA
+ cmake-utils_src_prepare
+}
+
+multilib_src_configure() {
+ local ffi_cflags ffi_ldflags
+ if use libffi; then
+ ffi_cflags=$($(tc-getPKG_CONFIG) --cflags-only-I libffi)
+ ffi_ldflags=$($(tc-getPKG_CONFIG) --libs-only-L libffi)
+ fi
+
+ local libdir=$(get_libdir)
+ local mycmakeargs=(
+ # disable appending VCS revision to the version to improve
+ # direct cache hit ratio
+ -DLLVM_APPEND_VC_REV=OFF
+ -DCMAKE_INSTALL_PREFIX="${EPREFIX}/usr/lib/llvm/${SLOT}"
+ -DLLVM_LIBDIR_SUFFIX=${libdir#lib}
+
+ -DBUILD_SHARED_LIBS=ON
+ -DLLVM_TARGETS_TO_BUILD="${LLVM_TARGETS// /;}"
+ -DLLVM_BUILD_TESTS=$(usex test)
+
+ -DLLVM_ENABLE_FFI=$(usex libffi)
+ -DLLVM_ENABLE_LIBEDIT=$(usex libedit)
+ -DLLVM_ENABLE_TERMINFO=$(usex ncurses)
+ -DLLVM_ENABLE_LIBXML2=$(usex xml)
+ -DLLVM_ENABLE_ASSERTIONS=$(usex debug)
+ -DLLVM_ENABLE_LIBPFM=$(usex exegesis)
+ -DLLVM_ENABLE_EH=ON
+ -DLLVM_ENABLE_RTTI=ON
+
+ -DWITH_POLLY=OFF # TODO
+
+ -DLLVM_HOST_TRIPLE="${CHOST}"
+
+ -DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
+ -DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"
+ # used only for llvm-objdump tool
+ -DHAVE_LIBXAR=$(multilib_native_usex xar 1 0)
+
+ # disable OCaml bindings (now in dev-ml/llvm-ocaml)
+ -DOCAMLFIND=NO
+ )
+
+# Note: go bindings have no CMake rules at the moment
+# but let's kill the check in case they are introduced
+# if ! multilib_is_native_abi || ! use go; then
+ mycmakeargs+=(
+ -DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
+ )
+# fi
+
+ use test && mycmakeargs+=(
+ -DLLVM_LIT_ARGS="-vv;-j;${LIT_JOBS:-$(makeopts_jobs "${MAKEOPTS}" "$(get_nproc)")}"
+ )
+
+ if multilib_is_native_abi; then
+ mycmakeargs+=(
+ -DLLVM_BUILD_DOCS=$(usex doc)
+ -DLLVM_ENABLE_OCAMLDOC=OFF
+ -DLLVM_ENABLE_SPHINX=$(usex doc)
+ -DLLVM_ENABLE_DOXYGEN=OFF
+ -DLLVM_INSTALL_UTILS=ON
+ )
+ use doc && mycmakeargs+=(
+ -DCMAKE_INSTALL_MANDIR="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+ -DLLVM_INSTALL_SPHINX_HTML_DIR="${EPREFIX}/usr/share/doc/${PF}/html"
+ -DSPHINX_WARNINGS_AS_ERRORS=OFF
+ )
+ use gold && mycmakeargs+=(
+ -DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
+ )
+ fi
+
+ if tc-is-cross-compiler; then
+ local tblgen="${EPREFIX}/usr/lib/llvm/${SLOT}/bin/llvm-tblgen"
+ [[ -x "${tblgen}" ]] \
+ || die "${tblgen} not found or usable"
+ mycmakeargs+=(
+ -DCMAKE_CROSSCOMPILING=ON
+ -DLLVM_TABLEGEN="${tblgen}"
+ )
+ fi
+
+ # workaround BMI bug in gcc-7 (fixed in 7.4)
+ # https://bugs.gentoo.org/649880
+ # apply only to x86, https://bugs.gentoo.org/650506
+ if tc-is-gcc && [[ ${MULTILIB_ABI_FLAG} == abi_x86* ]] &&
+ [[ $(gcc-major-version) -eq 7 && $(gcc-minor-version) -lt 4 ]]
+ then
+ local CFLAGS="${CFLAGS} -mno-bmi"
+ local CXXFLAGS="${CXXFLAGS} -mno-bmi"
+ fi
+
+ # LLVM_ENABLE_ASSERTIONS=NO does not guarantee this for us, #614844
+ use debug || local -x CPPFLAGS="${CPPFLAGS} -DNDEBUG"
+ cmake-utils_src_configure
+}
+
+multilib_src_compile() {
+ cmake-utils_src_compile
+
+ pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
+ pax-mark m "${BUILD_DIR}"/bin/lli
+ pax-mark m "${BUILD_DIR}"/bin/lli-child-target
+
+ if use test; then
+ pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
+ pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
+ pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
+ fi
+}
+
+multilib_src_test() {
+ # respect TMPDIR!
+ local -x LIT_PRESERVES_TMP=1
+ cmake-utils_src_make check
+}
+
+src_install() {
+ local MULTILIB_CHOST_TOOLS=(
+ /usr/lib/llvm/${SLOT}/bin/llvm-config
+ )
+
+ local MULTILIB_WRAPPED_HEADERS=(
+ /usr/include/llvm/Config/llvm-config.h
+ )
+
+ local LLVM_LDPATHS=()
+ multilib-minimal_src_install
+
+ # move wrapped headers back
+ mv "${ED%/}"/usr/include "${ED%/}"/usr/lib/llvm/${SLOT}/include || die
+}
+
+multilib_src_install() {
+ cmake-utils_src_install
+
+ # move headers to /usr/include for wrapping
+ rm -rf "${ED%/}"/usr/include || die
+ mv "${ED%/}"/usr/lib/llvm/${SLOT}/include "${ED%/}"/usr/include || die
+
+ LLVM_LDPATHS+=( "${EPREFIX}/usr/lib/llvm/${SLOT}/$(get_libdir)" )
+}
+
+multilib_src_install_all() {
+ local revord=$(( 9999 - ${SLOT} ))
+ newenvd - "10llvm-${revord}" <<-_EOF_
+ PATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+ # we need to duplicate it in ROOTPATH for Portage to respect...
+ ROOTPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/bin"
+ MANPATH="${EPREFIX}/usr/lib/llvm/${SLOT}/share/man"
+ LDPATH="$( IFS=:; echo "${LLVM_LDPATHS[*]}" )"
+ _EOF_
+
+ # install pre-generated manpages
+ if ! use doc; then
+ # (doman does not support custom paths)
+ insinto "/usr/lib/llvm/${SLOT}/share/man/man1"
+ doins "${WORKDIR}/${P}-manpages/llvm"/*.1
+ fi
+
+ docompress "/usr/lib/llvm/${SLOT}/share/man"
+}
+
+pkg_postinst() {
+ elog "You can find additional opt-viewer utility scripts in:"
+ elog " ${EROOT%/}/usr/lib/llvm/${SLOT}/share/opt-viewer"
+ elog "To use these scripts, you will need Python 2.7 along with the following"
+ elog "packages:"
+ elog " dev-python/pygments (for opt-viewer)"
+ elog " dev-python/pyyaml (for all of them)"
+}