svn commit: r364718 - in head: contrib/llvm-project/clang/include/clang/Basic contrib/llvm-project/clang/include/clang/Driver contrib/llvm-project/clang/lib/AST contrib/llvm-project/clang/lib/Basic...
Dimitry Andric
dim at FreeBSD.org
Mon Aug 24 17:43:30 UTC 2020
Author: dim
Date: Mon Aug 24 17:43:23 2020
New Revision: 364718
URL: https://svnweb.freebsd.org/changeset/base/364718
Log:
Merge llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp
release/11.x llvmorg-11.0.0-rc2-0-g414f32a9e86.
MFC after: 6 weeks
X-MFC-With: r364284
Modified:
head/contrib/llvm-project/clang/include/clang/Basic/TargetOptions.h
head/contrib/llvm-project/clang/include/clang/Driver/Options.td
head/contrib/llvm-project/clang/lib/AST/ASTContext.cpp
head/contrib/llvm-project/clang/lib/Basic/Targets.cpp
head/contrib/llvm-project/clang/lib/Basic/Targets/OSTargets.h
head/contrib/llvm-project/clang/lib/Basic/Targets/PPC.h
head/contrib/llvm-project/clang/lib/Basic/Targets/Sparc.cpp
head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.cpp
head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.h
head/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/X86.cpp
head/contrib/llvm-project/clang/lib/Driver/ToolChains/Clang.cpp
head/contrib/llvm-project/libunwind/src/AddressSpace.hpp
head/contrib/llvm-project/lld/docs/ReleaseNotes.rst
head/contrib/llvm-project/lld/docs/conf.py
head/contrib/llvm-project/llvm/include/llvm/MC/MCDwarf.h
head/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.h
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.h
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.td
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64StackOffset.h
head/contrib/llvm-project/llvm/lib/Target/AArch64/SVEIntrinsicOpts.cpp
head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td
head/contrib/llvm-project/llvm/lib/Target/X86/X86ISelLowering.cpp
head/contrib/llvm-project/llvm/lib/Transforms/IPO/GlobalOpt.cpp
head/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
head/lib/clang/include/VCSVersion.inc
head/lib/clang/include/llvm/Support/VCSRevision.h
Directory Properties:
head/contrib/llvm-project/ (props changed)
head/contrib/llvm-project/clang/ (props changed)
head/contrib/llvm-project/libunwind/ (props changed)
head/contrib/llvm-project/lld/ (props changed)
head/contrib/llvm-project/llvm/ (props changed)
Modified: head/contrib/llvm-project/clang/include/clang/Basic/TargetOptions.h
==============================================================================
--- head/contrib/llvm-project/clang/include/clang/Basic/TargetOptions.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/include/clang/Basic/TargetOptions.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -54,6 +54,10 @@ class TargetOptions { (public)
/// be a list of strings starting with by '+' or '-'.
std::vector<std::string> Features;
+ /// The map of which features have been enabled disabled based on the command
+ /// line.
+ llvm::StringMap<bool> FeatureMap;
+
/// Supported OpenCL extensions and optional core features.
OpenCLOptions SupportedOpenCLOptions;
Modified: head/contrib/llvm-project/clang/include/clang/Driver/Options.td
==============================================================================
--- head/contrib/llvm-project/clang/include/clang/Driver/Options.td Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/include/clang/Driver/Options.td Mon Aug 24 17:43:23 2020 (r364718)
@@ -1780,7 +1780,7 @@ def fstack_protector_all : Flag<["-"], "fstack-protect
HelpText<"Enable stack protectors for all functions">;
def fstack_clash_protection : Flag<["-"], "fstack-clash-protection">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Enable stack clash protection">;
-def fnostack_clash_protection : Flag<["-"], "fnostack-clash-protection">, Group<f_Group>,
+def fno_stack_clash_protection : Flag<["-"], "fno-stack-clash-protection">, Group<f_Group>,
HelpText<"Disable stack clash protection">;
def fstack_protector_strong : Flag<["-"], "fstack-protector-strong">, Group<f_Group>,
HelpText<"Enable stack protectors for some functions vulnerable to stack smashing. "
Modified: head/contrib/llvm-project/clang/lib/AST/ASTContext.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/AST/ASTContext.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/AST/ASTContext.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -11147,8 +11147,7 @@ void ASTContext::getFunctionFeatureMap(llvm::StringMap
std::vector<std::string> Features(FeaturesTmp.begin(), FeaturesTmp.end());
Target->initFeatureMap(FeatureMap, getDiagnostics(), TargetCPU, Features);
} else {
- Target->initFeatureMap(FeatureMap, getDiagnostics(), TargetCPU,
- Target->getTargetOpts().Features);
+ FeatureMap = Target->getTargetOpts().FeatureMap;
}
}
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -346,6 +346,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
return new FreeBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenBSD:
+ return new OpenBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::AIX:
return new AIXPPC64TargetInfo(Triple, Opts);
default:
@@ -358,6 +360,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
return new LinuxTargetInfo<PPC64TargetInfo>(Triple, Opts);
case llvm::Triple::NetBSD:
return new NetBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenBSD:
+ return new OpenBSDTargetInfo<PPC64TargetInfo>(Triple, Opts);
default:
return new PPC64TargetInfo(Triple, Opts);
}
@@ -387,6 +391,8 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
switch (os) {
case llvm::Triple::FreeBSD:
return new FreeBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
+ case llvm::Triple::OpenBSD:
+ return new OpenBSDTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::Fuchsia:
return new FuchsiaTargetInfo<RISCV64TargetInfo>(Triple, Opts);
case llvm::Triple::Linux:
@@ -662,14 +668,13 @@ TargetInfo::CreateTargetInfo(DiagnosticsEngine &Diags,
// Compute the default target features, we need the target to handle this
// because features may have dependencies on one another.
- llvm::StringMap<bool> Features;
- if (!Target->initFeatureMap(Features, Diags, Opts->CPU,
+ if (!Target->initFeatureMap(Opts->FeatureMap, Diags, Opts->CPU,
Opts->FeaturesAsWritten))
return nullptr;
// Add the features to the compile options.
Opts->Features.clear();
- for (const auto &F : Features)
+ for (const auto &F : Opts->FeatureMap)
Opts->Features.push_back((F.getValue() ? "+" : "-") + F.getKey().str());
// Sort here, so we handle the features in a predictable order. (This matters
// when we're dealing with features that overlap.)
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets/OSTargets.h
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets/OSTargets.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets/OSTargets.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -465,6 +465,9 @@ class LLVM_LIBRARY_VISIBILITY OpenBSDTargetInfo : publ
public:
OpenBSDTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: OSTargetInfo<Target>(Triple, Opts) {
+ this->WCharType = this->WIntType = this->SignedInt;
+ this->IntMaxType = TargetInfo::SignedLongLong;
+ this->Int64Type = TargetInfo::SignedLongLong;
switch (Triple.getArch()) {
case llvm::Triple::x86:
case llvm::Triple::x86_64:
@@ -476,6 +479,8 @@ class LLVM_LIBRARY_VISIBILITY OpenBSDTargetInfo : publ
case llvm::Triple::mips64:
case llvm::Triple::mips64el:
case llvm::Triple::ppc:
+ case llvm::Triple::ppc64:
+ case llvm::Triple::ppc64le:
case llvm::Triple::sparcv9:
this->MCountName = "_mcount";
break;
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets/PPC.h
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets/PPC.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets/PPC.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -414,8 +414,8 @@ class LLVM_LIBRARY_VISIBILITY PPC64TargetInfo : public
ABI = "elfv1";
}
- if (Triple.isOSFreeBSD() || Triple.getOS() == llvm::Triple::AIX ||
- Triple.isMusl()) {
+ if (Triple.isOSFreeBSD() || Triple.isOSOpenBSD() ||
+ Triple.getOS() == llvm::Triple::AIX || Triple.isMusl()) {
LongDoubleWidth = LongDoubleAlign = 64;
LongDoubleFormat = &llvm::APFloat::IEEEdouble();
}
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets/Sparc.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets/Sparc.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets/Sparc.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -240,6 +240,11 @@ void SparcV9TargetInfo::getTargetDefines(const LangOpt
Builder.defineMacro("__sparc_v9__");
Builder.defineMacro("__sparcv9__");
}
+
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1");
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2");
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4");
+ Builder.defineMacro("__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8");
}
void SparcV9TargetInfo::fillValidCPUList(
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -96,19 +96,43 @@ void WebAssemblyTargetInfo::getTargetDefines(const Lan
}
void WebAssemblyTargetInfo::setSIMDLevel(llvm::StringMap<bool> &Features,
- SIMDEnum Level) {
+ SIMDEnum Level, bool Enabled) {
+ if (Enabled) {
+ switch (Level) {
+ case UnimplementedSIMD128:
+ Features["unimplemented-simd128"] = true;
+ LLVM_FALLTHROUGH;
+ case SIMD128:
+ Features["simd128"] = true;
+ LLVM_FALLTHROUGH;
+ case NoSIMD:
+ break;
+ }
+ return;
+ }
+
switch (Level) {
- case UnimplementedSIMD128:
- Features["unimplemented-simd128"] = true;
- LLVM_FALLTHROUGH;
+ case NoSIMD:
case SIMD128:
- Features["simd128"] = true;
+ Features["simd128"] = false;
LLVM_FALLTHROUGH;
- case NoSIMD:
+ case UnimplementedSIMD128:
+ Features["unimplemented-simd128"] = false;
break;
}
}
+void WebAssemblyTargetInfo::setFeatureEnabled(llvm::StringMap<bool> &Features,
+ StringRef Name,
+ bool Enabled) const {
+ if (Name == "simd128")
+ setSIMDLevel(Features, SIMD128, Enabled);
+ else if (Name == "unimplemented-simd128")
+ setSIMDLevel(Features, UnimplementedSIMD128, Enabled);
+ else
+ Features[Name] = Enabled;
+}
+
bool WebAssemblyTargetInfo::initFeatureMap(
llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags, StringRef CPU,
const std::vector<std::string> &FeaturesVec) const {
@@ -119,30 +143,8 @@ bool WebAssemblyTargetInfo::initFeatureMap(
Features["atomics"] = true;
Features["mutable-globals"] = true;
Features["tail-call"] = true;
- setSIMDLevel(Features, SIMD128);
+ setSIMDLevel(Features, SIMD128, true);
}
- // Other targets do not consider user-configured features here, but while we
- // are actively developing new features it is useful to let user-configured
- // features control availability of builtins
- setSIMDLevel(Features, SIMDLevel);
- if (HasNontrappingFPToInt)
- Features["nontrapping-fptoint"] = true;
- if (HasSignExt)
- Features["sign-ext"] = true;
- if (HasExceptionHandling)
- Features["exception-handling"] = true;
- if (HasBulkMemory)
- Features["bulk-memory"] = true;
- if (HasAtomics)
- Features["atomics"] = true;
- if (HasMutableGlobals)
- Features["mutable-globals"] = true;
- if (HasMultivalue)
- Features["multivalue"] = true;
- if (HasTailCall)
- Features["tail-call"] = true;
- if (HasReferenceTypes)
- Features["reference-types"] = true;
return TargetInfo::initFeatureMap(Features, Diags, CPU, FeaturesVec);
}
Modified: head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.h
==============================================================================
--- head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Basic/Targets/WebAssembly.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -69,13 +69,17 @@ class LLVM_LIBRARY_VISIBILITY WebAssemblyTargetInfo :
MacroBuilder &Builder) const override;
private:
- static void setSIMDLevel(llvm::StringMap<bool> &Features, SIMDEnum Level);
+ static void setSIMDLevel(llvm::StringMap<bool> &Features, SIMDEnum Level,
+ bool Enabled);
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override;
bool hasFeature(StringRef Feature) const final;
+
+ void setFeatureEnabled(llvm::StringMap<bool> &Features, StringRef Name,
+ bool Enabled) const final;
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) final;
Modified: head/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/CodeGen/CGOpenMPRuntimeNVPTX.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -4956,11 +4956,7 @@ bool CGOpenMPRuntimeNVPTX::hasAllocateAttributeForGlob
static CudaArch getCudaArch(CodeGenModule &CGM) {
if (!CGM.getTarget().hasFeature("ptx"))
return CudaArch::UNKNOWN;
- llvm::StringMap<bool> Features;
- CGM.getTarget().initFeatureMap(Features, CGM.getDiags(),
- CGM.getTarget().getTargetOpts().CPU,
- CGM.getTarget().getTargetOpts().Features);
- for (const auto &Feature : Features) {
+ for (const auto &Feature : CGM.getTarget().getTargetOpts().FeatureMap) {
if (Feature.getValue()) {
CudaArch Arch = StringToCudaArch(Feature.getKey());
if (Arch != CudaArch::UNKNOWN)
Modified: head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/AArch64.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/AArch64.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/AArch64.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -370,9 +370,11 @@ fp16_fml_fallthrough:
V8_6Pos = Features.insert(std::next(V8_6Pos), {"+i8mm", "+bf16"});
if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access,
- options::OPT_munaligned_access))
+ options::OPT_munaligned_access)) {
if (A->getOption().matches(options::OPT_mno_unaligned_access))
Features.push_back("+strict-align");
+ } else if (Triple.isOSOpenBSD())
+ Features.push_back("+strict-align");
if (Args.hasArg(options::OPT_ffixed_x1))
Features.push_back("+reserve-x1");
Modified: head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/X86.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/X86.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/X86.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -93,13 +93,13 @@ const char *x86::getX86TargetCPU(const ArgList &Args,
return "x86-64";
switch (Triple.getOS()) {
- case llvm::Triple::FreeBSD:
- return "i686";
case llvm::Triple::NetBSD:
- case llvm::Triple::OpenBSD:
return "i486";
case llvm::Triple::Haiku:
+ case llvm::Triple::OpenBSD:
return "i586";
+ case llvm::Triple::FreeBSD:
+ return "i686";
default:
// Fallback to p4.
return "pentium4";
Modified: head/contrib/llvm-project/clang/lib/Driver/ToolChains/Clang.cpp
==============================================================================
--- head/contrib/llvm-project/clang/lib/Driver/ToolChains/Clang.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/clang/lib/Driver/ToolChains/Clang.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -1879,8 +1879,8 @@ void Clang::AddPPCTargetArgs(const ArgList &Args,
ABIName = "elfv1-qpx";
break;
}
-
- if (T.isMusl() || (T.isOSFreeBSD() && T.getOSMajorVersion() >= 13))
+ if ((T.isOSFreeBSD() && T.getOSMajorVersion() >= 13) ||
+ T.isOSOpenBSD() || T.isMusl())
ABIName = "elfv2";
else
ABIName = "elfv1";
@@ -2971,7 +2971,7 @@ static void RenderSCPOptions(const ToolChain &TC, cons
return;
if (Args.hasFlag(options::OPT_fstack_clash_protection,
- options::OPT_fnostack_clash_protection, false))
+ options::OPT_fno_stack_clash_protection, false))
CmdArgs.push_back("-fstack-clash-protection");
}
Modified: head/contrib/llvm-project/libunwind/src/AddressSpace.hpp
==============================================================================
--- head/contrib/llvm-project/libunwind/src/AddressSpace.hpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/libunwind/src/AddressSpace.hpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -457,7 +457,7 @@ struct _LIBUNWIND_HIDDEN dl_iterate_cb_data {
// There should be just one of these per process.
static FrameHeaderCache ProcessFrameHeaderCache;
-#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE
+#endif
static bool checkAddrInSegment(const Elf_Phdr *phdr, size_t image_base,
dl_iterate_cb_data *cbdata) {
@@ -481,7 +481,7 @@ int findUnwindSectionsByPhdr(struct dl_phdr_info *pinf
#if defined(_LIBUNWIND_USE_FRAME_HEADER_CACHE)
if (ProcessFrameHeaderCache.find(pinfo, pinfo_size, data))
return 1;
-#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE
+#endif
Elf_Addr image_base = calculateImageBase(pinfo);
bool found_obj = false;
@@ -511,7 +511,7 @@ int findUnwindSectionsByPhdr(struct dl_phdr_info *pinf
if (found_obj && found_hdr) {
#if defined(_LIBUNWIND_USE_FRAME_HEADER_CACHE)
ProcessFrameHeaderCache.add(cbdata->sects);
-#endif // _LIBUNWIND_USE_FRAME_HEADER_CACHE
+#endif
return 1;
}
}
Modified: head/contrib/llvm-project/lld/docs/ReleaseNotes.rst
==============================================================================
--- head/contrib/llvm-project/lld/docs/ReleaseNotes.rst Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/lld/docs/ReleaseNotes.rst Mon Aug 24 17:43:23 2020 (r364718)
@@ -28,6 +28,10 @@ ELF Improvements
chrome://tracing. The file can be specified with ``--time-trace-file``.
Trace granularity can be specified with ``--time-trace-granularity``.
(`D71060 <https://reviews.llvm.org/D71060>`_)
+* For ARM architectures the default max page size was increased to 64k.
+ This increases compatibility with systems where a non standard page
+ size was configured. This also is inline with GNU ld defaults.
+ (`D77330 <https://reviews.llvm.org/D77330>`_)
* ...
Breaking changes
@@ -40,12 +44,17 @@ Breaking changes
COFF Improvements
-----------------
-* ...
+* Fixed exporting symbols whose names contain a period (``.``), which was
+ a regression in lld 7.
MinGW Improvements
------------------
-* ...
+* Implemented new options for disabling auto import and runtime pseudo
+ relocations (``--disable-auto-import`` and
+ ``--disable-runtime-pseudo-reloc``), the ``--no-seh`` flag and options
+ for selecting file and section alignment (``--file-alignment`` and
+ ``--section-alignment``).
MachO Improvements
------------------
Modified: head/contrib/llvm-project/lld/docs/conf.py
==============================================================================
--- head/contrib/llvm-project/lld/docs/conf.py Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/lld/docs/conf.py Mon Aug 24 17:43:23 2020 (r364718)
@@ -134,7 +134,7 @@ html_last_updated_fmt = '%Y-%m-%d'
#html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
-html_sidebars = {'index': 'indexsidebar.html'}
+html_sidebars = {'index': ['indexsidebar.html']}
# Additional templates that should be rendered to pages, maps page names to
# template names.
Modified: head/contrib/llvm-project/llvm/include/llvm/MC/MCDwarf.h
==============================================================================
--- head/contrib/llvm-project/llvm/include/llvm/MC/MCDwarf.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/include/llvm/MC/MCDwarf.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -467,10 +467,12 @@ class MCCFIInstruction { (private)
unsigned Register2;
};
std::vector<char> Values;
+ std::string Comment;
- MCCFIInstruction(OpType Op, MCSymbol *L, unsigned R, int O, StringRef V)
+ MCCFIInstruction(OpType Op, MCSymbol *L, unsigned R, int O, StringRef V,
+ StringRef Comment = "")
: Operation(Op), Label(L), Register(R), Offset(O),
- Values(V.begin(), V.end()) {
+ Values(V.begin(), V.end()), Comment(Comment) {
assert(Op != OpRegister);
}
@@ -570,8 +572,9 @@ class MCCFIInstruction { (private)
/// .cfi_escape Allows the user to add arbitrary bytes to the unwind
/// info.
- static MCCFIInstruction createEscape(MCSymbol *L, StringRef Vals) {
- return MCCFIInstruction(OpEscape, L, 0, 0, Vals);
+ static MCCFIInstruction createEscape(MCSymbol *L, StringRef Vals,
+ StringRef Comment = "") {
+ return MCCFIInstruction(OpEscape, L, 0, 0, Vals, Comment);
}
/// A special wrapper for .cfi_escape that indicates GNU_ARGS_SIZE
@@ -605,6 +608,10 @@ class MCCFIInstruction { (private)
StringRef getValues() const {
assert(Operation == OpEscape);
return StringRef(&Values[0], Values.size());
+ }
+
+ StringRef getComment() const {
+ return Comment;
}
};
Modified: head/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/CodeGen/AsmPrinter/AsmPrinterDwarf.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -241,6 +241,7 @@ void AsmPrinter::emitCFIInstruction(const MCCFIInstruc
OutStreamer->emitCFIGnuArgsSize(Inst.getOffset());
break;
case MCCFIInstruction::OpEscape:
+ OutStreamer->AddComment(Inst.getComment());
OutStreamer->emitCFIEscape(Inst.getValues());
break;
case MCCFIInstruction::OpRestore:
Modified: head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Support/X86TargetParser.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -37,6 +37,10 @@ class FeatureBitset { (public)
set(I);
}
+ bool any() const {
+ return llvm::any_of(Bits, [](uint64_t V) { return V != 0; });
+ }
+
constexpr FeatureBitset &set(unsigned I) {
// GCC <6.2 crashes if this is written in a single statement.
uint32_t NewBits = Bits[I / 32] | (uint32_t(1) << (I % 32));
@@ -89,6 +93,13 @@ class FeatureBitset { (public)
Result.Bits[I] = ~Bits[I];
return Result;
}
+
+ constexpr bool operator!=(const FeatureBitset &RHS) const {
+ for (unsigned I = 0, E = array_lengthof(Bits); I != E; ++I)
+ if (Bits[I] != RHS.Bits[I])
+ return true;
+ return false;
+ }
};
struct ProcInfo {
@@ -552,11 +563,17 @@ void llvm::X86::getFeaturesForCPU(StringRef CPU,
// For each feature that is (transitively) implied by this feature, set it.
static void getImpliedEnabledFeatures(FeatureBitset &Bits,
const FeatureBitset &Implies) {
+ // Fast path: Implies is often empty.
+ if (!Implies.any())
+ return;
+ FeatureBitset Prev;
Bits |= Implies;
- for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) {
- if (Implies[i])
- getImpliedEnabledFeatures(Bits, FeatureInfos[i].ImpliedFeatures);
- }
+ do {
+ Prev = Bits;
+ for (unsigned i = CPU_FEATURE_MAX; i;)
+ if (Bits[--i])
+ Bits |= FeatureInfos[i].ImpliedFeatures;
+ } while (Prev != Bits);
}
/// Create bit vector of features that are implied disabled if the feature
@@ -564,12 +581,14 @@ static void getImpliedEnabledFeatures(FeatureBitset &B
static void getImpliedDisabledFeatures(FeatureBitset &Bits, unsigned Value) {
// Check all features looking for any dependent on this feature. If we find
// one, mark it and recursively find any feature that depend on it.
- for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i) {
- if (FeatureInfos[i].ImpliedFeatures[Value]) {
- Bits.set(i);
- getImpliedDisabledFeatures(Bits, i);
- }
- }
+ FeatureBitset Prev;
+ Bits.set(Value);
+ do {
+ Prev = Bits;
+ for (unsigned i = 0; i != CPU_FEATURE_MAX; ++i)
+ if ((FeatureInfos[i].ImpliedFeatures & Bits).any())
+ Bits.set(i);
+ } while (Prev != Bits);
}
void llvm::X86::getImpliedFeatures(
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -148,6 +148,7 @@
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
@@ -399,12 +400,102 @@ static bool ShouldSignReturnAddress(MachineFunction &M
return false;
}
+// Convenience function to create a DWARF expression for
+// Expr + NumBytes + NumVGScaledBytes * AArch64::VG
+static void appendVGScaledOffsetExpr(SmallVectorImpl<char> &Expr,
+ int NumBytes, int NumVGScaledBytes, unsigned VG,
+ llvm::raw_string_ostream &Comment) {
+ uint8_t buffer[16];
+
+ if (NumBytes) {
+ Expr.push_back(dwarf::DW_OP_consts);
+ Expr.append(buffer, buffer + encodeSLEB128(NumBytes, buffer));
+ Expr.push_back((uint8_t)dwarf::DW_OP_plus);
+ Comment << (NumBytes < 0 ? " - " : " + ") << std::abs(NumBytes);
+ }
+
+ if (NumVGScaledBytes) {
+ Expr.push_back((uint8_t)dwarf::DW_OP_consts);
+ Expr.append(buffer, buffer + encodeSLEB128(NumVGScaledBytes, buffer));
+
+ Expr.push_back((uint8_t)dwarf::DW_OP_bregx);
+ Expr.append(buffer, buffer + encodeULEB128(VG, buffer));
+ Expr.push_back(0);
+
+ Expr.push_back((uint8_t)dwarf::DW_OP_mul);
+ Expr.push_back((uint8_t)dwarf::DW_OP_plus);
+
+ Comment << (NumVGScaledBytes < 0 ? " - " : " + ")
+ << std::abs(NumVGScaledBytes) << " * VG";
+ }
+}
+
+// Creates an MCCFIInstruction:
+// { DW_CFA_def_cfa_expression, ULEB128 (sizeof expr), expr }
+MCCFIInstruction AArch64FrameLowering::createDefCFAExpressionFromSP(
+ const TargetRegisterInfo &TRI, const StackOffset &OffsetFromSP) const {
+ int64_t NumBytes, NumVGScaledBytes;
+ OffsetFromSP.getForDwarfOffset(NumBytes, NumVGScaledBytes);
+
+ std::string CommentBuffer = "sp";
+ llvm::raw_string_ostream Comment(CommentBuffer);
+
+ // Build up the expression (SP + NumBytes + NumVGScaledBytes * AArch64::VG)
+ SmallString<64> Expr;
+ Expr.push_back((uint8_t)(dwarf::DW_OP_breg0 + /*SP*/ 31));
+ Expr.push_back(0);
+ appendVGScaledOffsetExpr(Expr, NumBytes, NumVGScaledBytes,
+ TRI.getDwarfRegNum(AArch64::VG, true), Comment);
+
+ // Wrap this into DW_CFA_def_cfa.
+ SmallString<64> DefCfaExpr;
+ DefCfaExpr.push_back(dwarf::DW_CFA_def_cfa_expression);
+ uint8_t buffer[16];
+ DefCfaExpr.append(buffer,
+ buffer + encodeULEB128(Expr.size(), buffer));
+ DefCfaExpr.append(Expr.str());
+ return MCCFIInstruction::createEscape(nullptr, DefCfaExpr.str(),
+ Comment.str());
+}
+
+MCCFIInstruction AArch64FrameLowering::createCfaOffset(
+ const TargetRegisterInfo &TRI, unsigned Reg,
+ const StackOffset &OffsetFromDefCFA) const {
+ int64_t NumBytes, NumVGScaledBytes;
+ OffsetFromDefCFA.getForDwarfOffset(NumBytes, NumVGScaledBytes);
+
+ unsigned DwarfReg = TRI.getDwarfRegNum(Reg, true);
+
+ // Non-scalable offsets can use DW_CFA_offset directly.
+ if (!NumVGScaledBytes)
+ return MCCFIInstruction::createOffset(nullptr, DwarfReg, NumBytes);
+
+ std::string CommentBuffer;
+ llvm::raw_string_ostream Comment(CommentBuffer);
+ Comment << printReg(Reg, &TRI) << " @ cfa";
+
+ // Build up expression (NumBytes + NumVGScaledBytes * AArch64::VG)
+ SmallString<64> OffsetExpr;
+ appendVGScaledOffsetExpr(OffsetExpr, NumBytes, NumVGScaledBytes,
+ TRI.getDwarfRegNum(AArch64::VG, true), Comment);
+
+ // Wrap this into DW_CFA_expression
+ SmallString<64> CfaExpr;
+ CfaExpr.push_back(dwarf::DW_CFA_expression);
+ uint8_t buffer[16];
+ CfaExpr.append(buffer, buffer + encodeULEB128(DwarfReg, buffer));
+ CfaExpr.append(buffer, buffer + encodeULEB128(OffsetExpr.size(), buffer));
+ CfaExpr.append(OffsetExpr.str());
+
+ return MCCFIInstruction::createEscape(nullptr, CfaExpr.str(), Comment.str());
+}
+
void AArch64FrameLowering::emitCalleeSavedFrameMoves(
MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI) const {
MachineFunction &MF = *MBB.getParent();
MachineFrameInfo &MFI = MF.getFrameInfo();
const TargetSubtargetInfo &STI = MF.getSubtarget();
- const MCRegisterInfo *MRI = STI.getRegisterInfo();
+ const TargetRegisterInfo *TRI = STI.getRegisterInfo();
const TargetInstrInfo *TII = STI.getInstrInfo();
DebugLoc DL = MBB.findDebugLoc(MBBI);
@@ -415,11 +506,26 @@ void AArch64FrameLowering::emitCalleeSavedFrameMoves(
for (const auto &Info : CSI) {
unsigned Reg = Info.getReg();
- int64_t Offset =
- MFI.getObjectOffset(Info.getFrameIdx()) - getOffsetOfLocalArea();
- unsigned DwarfReg = MRI->getDwarfRegNum(Reg, true);
- unsigned CFIIndex = MF.addFrameInst(
- MCCFIInstruction::createOffset(nullptr, DwarfReg, Offset));
+
+ // Not all unwinders may know about SVE registers, so assume the lowest
+ // common demoninator.
+ unsigned NewReg;
+ if (static_cast<const AArch64RegisterInfo *>(TRI)->regNeedsCFI(Reg, NewReg))
+ Reg = NewReg;
+ else
+ continue;
+
+ StackOffset Offset;
+ if (MFI.getStackID(Info.getFrameIdx()) == TargetStackID::SVEVector) {
+ AArch64FunctionInfo *AFI = MF.getInfo<AArch64FunctionInfo>();
+ Offset = StackOffset(MFI.getObjectOffset(Info.getFrameIdx()), MVT::nxv1i8) -
+ StackOffset(AFI->getCalleeSavedStackSize(MFI), MVT::i8);
+ } else {
+ Offset = {MFI.getObjectOffset(Info.getFrameIdx()) -
+ getOffsetOfLocalArea(),
+ MVT::i8};
+ }
+ unsigned CFIIndex = MF.addFrameInst(createCfaOffset(*TRI, Reg, Offset));
BuildMI(MBB, MBBI, DL, TII->get(TargetOpcode::CFI_INSTRUCTION))
.addCFIIndex(CFIIndex)
.setMIFlags(MachineInstr::FrameSetup);
@@ -1383,9 +1489,18 @@ void AArch64FrameLowering::emitPrologue(MachineFunctio
.addCFIIndex(CFIIndex)
.setMIFlags(MachineInstr::FrameSetup);
} else {
- // Encode the stack size of the leaf function.
- unsigned CFIIndex = MF.addFrameInst(
- MCCFIInstruction::cfiDefCfaOffset(nullptr, MFI.getStackSize()));
+ unsigned CFIIndex;
+ if (SVEStackSize) {
+ const TargetSubtargetInfo &STI = MF.getSubtarget();
+ const TargetRegisterInfo &TRI = *STI.getRegisterInfo();
+ StackOffset TotalSize =
+ SVEStackSize + StackOffset((int64_t)MFI.getStackSize(), MVT::i8);
+ CFIIndex = MF.addFrameInst(createDefCFAExpressionFromSP(TRI, TotalSize));
+ } else {
+ // Encode the stack size of the leaf function.
+ CFIIndex = MF.addFrameInst(
+ MCCFIInstruction::cfiDefCfaOffset(nullptr, MFI.getStackSize()));
+ }
BuildMI(MBB, MBBI, DL, TII->get(TargetOpcode::CFI_INSTRUCTION))
.addCFIIndex(CFIIndex)
.setMIFlags(MachineInstr::FrameSetup);
@@ -2006,6 +2121,7 @@ static void computeCalleeSaveRegisterPairs(
// available unwind codes. This flag assures that the alignment fixup is done
// only once, as intened.
bool FixupDone = false;
+
for (unsigned i = 0; i < Count; ++i) {
RegPairInfo RPI;
RPI.Reg1 = CSI[i].getReg();
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.h
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64FrameLowering.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -18,6 +18,8 @@
namespace llvm {
+class MCCFIInstruction;
+
class AArch64FrameLowering : public TargetFrameLowering {
public:
explicit AArch64FrameLowering()
@@ -119,6 +121,11 @@ class AArch64FrameLowering : public TargetFrameLowerin
int64_t assignSVEStackObjectOffsets(MachineFrameInfo &MF,
int &MinCSFrameIndex,
int &MaxCSFrameIndex) const;
+ MCCFIInstruction
+ createDefCFAExpressionFromSP(const TargetRegisterInfo &TRI,
+ const StackOffset &OffsetFromSP) const;
+ MCCFIInstruction createCfaOffset(const TargetRegisterInfo &MRI, unsigned DwarfReg,
+ const StackOffset &OffsetFromDefCFA) const;
bool shouldCombineCSRLocalStackBumpInEpilogue(MachineBasicBlock &MBB,
unsigned StackBumpBytes) const;
};
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -4107,6 +4107,7 @@ static bool canGuaranteeTCO(CallingConv::ID CC) {
static bool mayTailCallThisCC(CallingConv::ID CC) {
switch (CC) {
case CallingConv::C:
+ case CallingConv::AArch64_SVE_VectorCall:
case CallingConv::PreserveMost:
case CallingConv::Swift:
return true;
@@ -4126,6 +4127,15 @@ bool AArch64TargetLowering::isEligibleForTailCallOptim
MachineFunction &MF = DAG.getMachineFunction();
const Function &CallerF = MF.getFunction();
CallingConv::ID CallerCC = CallerF.getCallingConv();
+
+ // If this function uses the C calling convention but has an SVE signature,
+ // then it preserves more registers and should assume the SVE_VectorCall CC.
+ // The check for matching callee-saved regs will determine whether it is
+ // eligible for TCO.
+ if (CallerCC == CallingConv::C &&
+ AArch64RegisterInfo::hasSVEArgsOrReturn(&MF))
+ CallerCC = CallingConv::AArch64_SVE_VectorCall;
+
bool CCMatch = CallerCC == CalleeCC;
// When using the Windows calling convention on a non-windows OS, we want
@@ -4313,6 +4323,20 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI
bool TailCallOpt = MF.getTarget().Options.GuaranteedTailCallOpt;
bool IsSibCall = false;
+ // Check callee args/returns for SVE registers and set calling convention
+ // accordingly.
+ if (CallConv == CallingConv::C) {
+ bool CalleeOutSVE = any_of(Outs, [](ISD::OutputArg &Out){
+ return Out.VT.isScalableVector();
+ });
+ bool CalleeInSVE = any_of(Ins, [](ISD::InputArg &In){
+ return In.VT.isScalableVector();
+ });
+
+ if (CalleeInSVE || CalleeOutSVE)
+ CallConv = CallingConv::AArch64_SVE_VectorCall;
+ }
+
if (IsTailCall) {
// Check if it's really possible to do a tail call.
IsTailCall = isEligibleForTailCallOptimization(
@@ -4665,20 +4689,6 @@ AArch64TargetLowering::LowerCall(CallLoweringInfo &CLI
for (auto &RegToPass : RegsToPass)
Ops.push_back(DAG.getRegister(RegToPass.first,
RegToPass.second.getValueType()));
-
- // Check callee args/returns for SVE registers and set calling convention
- // accordingly.
- if (CallConv == CallingConv::C) {
- bool CalleeOutSVE = any_of(Outs, [](ISD::OutputArg &Out){
- return Out.VT.isScalableVector();
- });
- bool CalleeInSVE = any_of(Ins, [](ISD::InputArg &In){
- return In.VT.isScalableVector();
- });
-
- if (CalleeInSVE || CalleeOutSVE)
- CallConv = CallingConv::AArch64_SVE_VectorCall;
- }
// Add a register mask operand representing the call-preserved registers.
const uint32_t *Mask;
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -40,7 +40,30 @@ AArch64RegisterInfo::AArch64RegisterInfo(const Triple
AArch64_MC::initLLVMToCVRegMapping(this);
}
-static bool hasSVEArgsOrReturn(const MachineFunction *MF) {
+/// Return whether the register needs a CFI entry. Not all unwinders may know
+/// about SVE registers, so we assume the lowest common denominator, i.e. the
+/// callee-saves required by the base ABI. For the SVE registers z8-z15 only the
+/// lower 64-bits (d8-d15) need to be saved. The lower 64-bits subreg is
+/// returned in \p RegToUseForCFI.
+bool AArch64RegisterInfo::regNeedsCFI(unsigned Reg,
+ unsigned &RegToUseForCFI) const {
+ if (AArch64::PPRRegClass.contains(Reg))
+ return false;
+
+ if (AArch64::ZPRRegClass.contains(Reg)) {
+ RegToUseForCFI = getSubReg(Reg, AArch64::dsub);
+ for (int I = 0; CSR_AArch64_AAPCS_SaveList[I]; ++I) {
+ if (CSR_AArch64_AAPCS_SaveList[I] == RegToUseForCFI)
+ return true;
+ }
+ return false;
+ }
+
+ RegToUseForCFI = Reg;
+ return true;
+}
+
+bool AArch64RegisterInfo::hasSVEArgsOrReturn(const MachineFunction *MF) {
const Function &F = MF->getFunction();
return isa<ScalableVectorType>(F.getReturnType()) ||
any_of(F.args(), [](const Argument &Arg) {
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.h
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -42,6 +42,8 @@ class AArch64RegisterInfo final : public AArch64GenReg
void UpdateCustomCallPreservedMask(MachineFunction &MF,
const uint32_t **Mask) const;
+ static bool hasSVEArgsOrReturn(const MachineFunction *MF);
+
/// Code Generation virtual methods...
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
const MCPhysReg *getDarwinCalleeSavedRegs(const MachineFunction *MF) const;
@@ -122,6 +124,7 @@ class AArch64RegisterInfo final : public AArch64GenReg
MachineFunction &MF) const override;
unsigned getLocalAddressRegister(const MachineFunction &MF) const;
+ bool regNeedsCFI(unsigned Reg, unsigned &RegToUseForCFI) const;
};
} // end namespace llvm
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.td
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.td Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64RegisterInfo.td Mon Aug 24 17:43:23 2020 (r364718)
@@ -133,6 +133,9 @@ def NZCV : AArch64Reg<0, "nzcv">;
// First fault status register
def FFR : AArch64Reg<0, "ffr">, DwarfRegNum<[47]>;
+// Purely virtual Vector Granule (VG) Dwarf register
+def VG : AArch64Reg<0, "vg">, DwarfRegNum<[46]>;
+
// GPR register classes with the intersections of GPR32/GPR32sp and
// GPR64/GPR64sp for use by the coalescer.
def GPR32common : RegisterClass<"AArch64", [i32], 32, (sequence "W%u", 0, 30)> {
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td Mon Aug 24 17:43:23 2020 (r364718)
@@ -1765,7 +1765,7 @@ multiclass sve_prefetch<SDPatternOperator prefetch, Va
defm : unpred_store< store, nxv4f16, ST1H_S_IMM, PTRUE_S>;
defm : unpred_store< store, nxv2f16, ST1H_D_IMM, PTRUE_D>;
defm : unpred_store< store, nxv4f32, ST1W_IMM, PTRUE_S>;
- defm : unpred_store< store, nxv4f32, ST1W_D_IMM, PTRUE_D>;
+ defm : unpred_store< store, nxv2f32, ST1W_D_IMM, PTRUE_D>;
defm : unpred_store< store, nxv2f64, ST1D_IMM, PTRUE_D>;
multiclass unpred_load<PatFrag Load, ValueType Ty, Instruction RegImmInst,
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64StackOffset.h
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64StackOffset.h Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/AArch64StackOffset.h Mon Aug 24 17:43:23 2020 (r364718)
@@ -123,6 +123,18 @@ class StackOffset { (public)
}
}
+ void getForDwarfOffset(int64_t &ByteSized, int64_t &VGSized) const {
+ assert(isValid() && "Invalid frame offset");
+
+ // VGSized offsets are divided by '2', because the VG register is the
+ // the number of 64bit granules as opposed to 128bit vector chunks,
+ // which is how the 'n' in e.g. MVT::nxv1i8 is modelled.
+ // So, for a stack offset of 16 MVT::nxv1i8's, the size is n x 16 bytes.
+ // VG = n * 2 and the dwarf offset must be VG * 8 bytes.
+ ByteSized = Bytes;
+ VGSized = ScalableBytes / 2;
+ }
+
/// Returns whether the offset is known zero.
explicit operator bool() const { return Bytes || ScalableBytes; }
Modified: head/contrib/llvm-project/llvm/lib/Target/AArch64/SVEIntrinsicOpts.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/AArch64/SVEIntrinsicOpts.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/AArch64/SVEIntrinsicOpts.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -160,7 +160,7 @@ bool SVEIntrinsicOpts::optimizePTest(IntrinsicInst *I)
I->eraseFromParent();
if (Op1->use_empty())
Op1->eraseFromParent();
- if (Op2->use_empty())
+ if (Op1 != Op2 && Op2->use_empty())
Op2->eraseFromParent();
return true;
Modified: head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -279,7 +279,7 @@ bool RISCVInstrInfo::analyzeBranch(MachineBasicBlock &
// Handle a single unconditional branch.
if (NumTerminators == 1 && I->getDesc().isUnconditionalBranch()) {
- TBB = I->getOperand(0).getMBB();
+ TBB = getBranchDestBlock(*I);
return false;
}
@@ -293,7 +293,7 @@ bool RISCVInstrInfo::analyzeBranch(MachineBasicBlock &
if (NumTerminators == 2 && std::prev(I)->getDesc().isConditionalBranch() &&
I->getDesc().isUnconditionalBranch()) {
parseCondBranch(*std::prev(I), TBB, Cond);
- FBB = I->getOperand(0).getMBB();
+ FBB = getBranchDestBlock(*I);
return false;
}
@@ -384,11 +384,7 @@ unsigned RISCVInstrInfo::insertIndirectBranch(MachineB
MachineFunction *MF = MBB.getParent();
MachineRegisterInfo &MRI = MF->getRegInfo();
- const auto &TM = static_cast<const RISCVTargetMachine &>(MF->getTarget());
- if (TM.isPositionIndependent())
- report_fatal_error("Unable to insert indirect branch");
-
if (!isInt<32>(BrOffset))
report_fatal_error(
"Branch offsets outside of the signed 32-bit range not supported");
@@ -399,15 +395,13 @@ unsigned RISCVInstrInfo::insertIndirectBranch(MachineB
Register ScratchReg = MRI.createVirtualRegister(&RISCV::GPRRegClass);
auto II = MBB.end();
- MachineInstr &LuiMI = *BuildMI(MBB, II, DL, get(RISCV::LUI), ScratchReg)
- .addMBB(&DestBB, RISCVII::MO_HI);
- BuildMI(MBB, II, DL, get(RISCV::PseudoBRIND))
- .addReg(ScratchReg, RegState::Kill)
- .addMBB(&DestBB, RISCVII::MO_LO);
+ MachineInstr &MI = *BuildMI(MBB, II, DL, get(RISCV::PseudoJump))
+ .addReg(ScratchReg, RegState::Define | RegState::Dead)
+ .addMBB(&DestBB, RISCVII::MO_CALL);
RS->enterBasicBlockEnd(MBB);
unsigned Scav = RS->scavengeRegisterBackwards(RISCV::GPRRegClass,
- LuiMI.getIterator(), false, 0);
+ MI.getIterator(), false, 0);
MRI.replaceRegWith(ScratchReg, Scav);
MRI.clearVirtRegs();
RS->setRegUsed(Scav);
@@ -431,6 +425,7 @@ RISCVInstrInfo::getBranchDestBlock(const MachineInstr
bool RISCVInstrInfo::isBranchOffsetInRange(unsigned BranchOp,
int64_t BrOffset) const {
+ unsigned XLen = STI.getXLen();
// Ideally we could determine the supported branch offset from the
// RISCVII::FormMask, but this can't be used for Pseudo instructions like
// PseudoBR.
@@ -447,6 +442,8 @@ bool RISCVInstrInfo::isBranchOffsetInRange(unsigned Br
case RISCV::JAL:
case RISCV::PseudoBR:
return isIntN(21, BrOffset);
+ case RISCV::PseudoJump:
+ return isIntN(32, SignExtend64(BrOffset + 0x800, XLen));
}
}
Modified: head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVInstrInfo.td Mon Aug 24 17:43:23 2020 (r364718)
@@ -1012,8 +1012,8 @@ def : Pat<(riscv_tail (iPTR tglobaladdr:$dst)),
def : Pat<(riscv_tail (iPTR texternalsym:$dst)),
(PseudoTAIL texternalsym:$dst)>;
-let isCall = 0, isBarrier = 0, isCodeGenOnly = 0, hasSideEffects = 0,
- mayStore = 0, mayLoad = 0 in
+let isCall = 0, isBarrier = 1, isBranch = 1, isTerminator = 1,
+ isCodeGenOnly = 0, hasSideEffects = 0, mayStore = 0, mayLoad = 0 in
def PseudoJump : Pseudo<(outs GPR:$rd), (ins pseudo_jump_symbol:$target), []> {
let AsmString = "jump\t$target, $rd";
}
Modified: head/contrib/llvm-project/llvm/lib/Target/X86/X86ISelLowering.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Target/X86/X86ISelLowering.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Target/X86/X86ISelLowering.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -3208,13 +3208,23 @@ X86TargetLowering::LowerMemArgument(SDValue Chain, Cal
return DAG.getFrameIndex(FI, PtrVT);
}
+ EVT ArgVT = Ins[i].ArgVT;
+
+ // If this is a vector that has been split into multiple parts, and the
+ // scalar size of the parts don't match the vector element size, then we can't
+ // elide the copy. The parts will have padding between them instead of being
+ // packed like a vector.
+ bool ScalarizedAndExtendedVector =
+ ArgVT.isVector() && !VA.getLocVT().isVector() &&
+ VA.getLocVT().getSizeInBits() != ArgVT.getScalarSizeInBits();
+
// This is an argument in memory. We might be able to perform copy elision.
// If the argument is passed directly in memory without any extension, then we
// can perform copy elision. Large vector types, for example, may be passed
// indirectly by pointer.
if (Flags.isCopyElisionCandidate() &&
- VA.getLocInfo() != CCValAssign::Indirect && !ExtendedInMem) {
- EVT ArgVT = Ins[i].ArgVT;
+ VA.getLocInfo() != CCValAssign::Indirect && !ExtendedInMem &&
+ !ScalarizedAndExtendedVector) {
SDValue PartAddr;
if (Ins[i].PartOffset == 0) {
// If this is a one-part value or the first part of a multi-part value,
Modified: head/contrib/llvm-project/llvm/lib/Transforms/IPO/GlobalOpt.cpp
==============================================================================
--- head/contrib/llvm-project/llvm/lib/Transforms/IPO/GlobalOpt.cpp Mon Aug 24 17:31:17 2020 (r364717)
+++ head/contrib/llvm-project/llvm/lib/Transforms/IPO/GlobalOpt.cpp Mon Aug 24 17:43:23 2020 (r364718)
@@ -468,19 +468,16 @@ static bool CanDoGlobalSRA(GlobalVariable *GV) {
/// Copy over the debug info for a variable to its SRA replacements.
static void transferSRADebugInfo(GlobalVariable *GV, GlobalVariable *NGV,
uint64_t FragmentOffsetInBits,
- uint64_t FragmentSizeInBits) {
+ uint64_t FragmentSizeInBits,
+ uint64_t VarSize) {
SmallVector<DIGlobalVariableExpression *, 1> GVs;
GV->getDebugInfo(GVs);
for (auto *GVE : GVs) {
DIVariable *Var = GVE->getVariable();
- Optional<uint64_t> VarSize = Var->getSizeInBits();
-
DIExpression *Expr = GVE->getExpression();
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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