Merge llvm-project release/18.x llvmorg-18.1.0-rc2-53-gc7b0a6ecd442

This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and
openmp to llvm-project release/18.x llvmorg-18.1.0-rc2-53-gc7b0a6ecd442.

PR:		276104
MFC after:	1 month

(cherry picked from commit 74626c16ff489c0d64cf2843dfd522e7c544f3ce)

7 files changed, 144 insertions, 39 deletions

diff --git a/contrib/llvm-project/clang/include/clang/Basic/arm_sme.td b/contrib/llvm-project/clang/include/clang/Basic/arm_sme.td
index 695e1bddf9ff..2da0e8d2aba9 100644
--- a/contrib/llvm-project/clang/include/clang/Basic/arm_sme.td
+++ b/contrib/llvm-project/clang/include/clang/Basic/arm_sme.td
@@ -44,6 +44,7 @@ defm SVLD1_ZA32 : ZALoad<"za32", "i", "aarch64_sme_ld1w", [ImmCheck<0, ImmCheck0
 defm SVLD1_ZA64 : ZALoad<"za64", "l", "aarch64_sme_ld1d", [ImmCheck<0, ImmCheck0_7>]>;
 defm SVLD1_ZA128 : ZALoad<"za128", "q", "aarch64_sme_ld1q", [ImmCheck<0, ImmCheck0_15>]>;
 
+let TargetGuard = "sme" in {
 def SVLDR_VNUM_ZA : MInst<"svldr_vnum_za", "vmQl", "",
                           [IsOverloadNone, IsStreamingCompatible, IsInOutZA],
                           MemEltTyDefault, "aarch64_sme_ldr">;
@@ -51,6 +52,7 @@ def SVLDR_VNUM_ZA : MInst<"svldr_vnum_za", "vmQl", "",
 def SVLDR_ZA : MInst<"svldr_za", "vmQ", "",
                           [IsOverloadNone, IsStreamingCompatible, IsInOutZA],
                           MemEltTyDefault, "aarch64_sme_ldr", []>;
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // Stores
@@ -81,6 +83,7 @@ defm SVST1_ZA32 : ZAStore<"za32", "i", "aarch64_sme_st1w", [ImmCheck<0, ImmCheck
 defm SVST1_ZA64 : ZAStore<"za64", "l", "aarch64_sme_st1d", [ImmCheck<0, ImmCheck0_7>]>;
 defm SVST1_ZA128 : ZAStore<"za128", "q", "aarch64_sme_st1q", [ImmCheck<0, ImmCheck0_15>]>;
 
+let TargetGuard = "sme" in {
 def SVSTR_VNUM_ZA : MInst<"svstr_vnum_za", "vm%l", "",
                           [IsOverloadNone, IsStreamingCompatible, IsInZA],
                           MemEltTyDefault, "aarch64_sme_str">;
@@ -88,6 +91,7 @@ def SVSTR_VNUM_ZA : MInst<"svstr_vnum_za", "vm%l", "",
 def SVSTR_ZA : MInst<"svstr_za", "vm%", "",
                       [IsOverloadNone, IsStreamingCompatible, IsInZA],
                       MemEltTyDefault, "aarch64_sme_str", []>;
+}
 
 ////////////////////////////////////////////////////////////////////////////////
 // Read horizontal/vertical ZA slices
@@ -277,22 +281,22 @@ multiclass ZAAddSub<string n_suffix> {
 
     def NAME # _ZA32_VG1x2_I32 : Inst<"sv" # n_suffix # "_za32[_{d}]_vg1x2", "vm2", "iUif", MergeNone, "aarch64_sme_" # n_suffix # "_za32_vg1x2", [IsStreaming, IsInOutZA], []>;
     def NAME # _ZA32_VG1X4_I32 : Inst<"sv" # n_suffix # "_za32[_{d}]_vg1x4", "vm4", "iUif", MergeNone, "aarch64_sme_" # n_suffix # "_za32_vg1x4", [IsStreaming, IsInOutZA], []>;
+  }
 
-    let TargetGuard = "sme-i16i64" in {
-      def NAME # _WRITE_SINGLE_ZA64_VG1X2_I64 : Inst<"sv" # n_suffix # "_write[_single]_za64[_{d}]_vg1x2", "vm2d", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_single_za_vg1x2", [IsStreaming, IsInOutZA], []>;
-      def NAME # _WRITE_SINGLE_ZA64_VG1X4_I64 : Inst<"sv" # n_suffix # "_write[_single]_za64[_{d}]_vg1x4", "vm4d", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_single_za_vg1x4", [IsStreaming, IsInOutZA], []>;
+  let TargetGuard = "sme2,sme-i16i64" in {
+    def NAME # _WRITE_SINGLE_ZA64_VG1X2_I64 : Inst<"sv" # n_suffix # "_write[_single]_za64[_{d}]_vg1x2", "vm2d", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_single_za_vg1x2", [IsStreaming, IsInOutZA], []>;
+    def NAME # _WRITE_SINGLE_ZA64_VG1X4_I64 : Inst<"sv" # n_suffix # "_write[_single]_za64[_{d}]_vg1x4", "vm4d", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_single_za_vg1x4", [IsStreaming, IsInOutZA], []>;
 
-      def NAME # _WRITE_ZA64_VG1x2_I64 : Inst<"sv" # n_suffix # "_write_za64[_{d}]_vg1x2", "vm22", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_za_vg1x2", [IsStreaming, IsInOutZA], []>;
-      def NAME # _WRITE_ZA64_VG1x4_I64 : Inst<"sv" # n_suffix # "_write_za64[_{d}]_vg1x4", "vm44", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_za_vg1x4", [IsStreaming, IsInOutZA], []>;
+    def NAME # _WRITE_ZA64_VG1x2_I64 : Inst<"sv" # n_suffix # "_write_za64[_{d}]_vg1x2", "vm22", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_za_vg1x2", [IsStreaming, IsInOutZA], []>;
+    def NAME # _WRITE_ZA64_VG1x4_I64 : Inst<"sv" # n_suffix # "_write_za64[_{d}]_vg1x4", "vm44", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_write_za_vg1x4", [IsStreaming, IsInOutZA], []>;
 
-      def NAME # _ZA64_VG1X2_I64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x2", "vm2", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x2", [IsStreaming, IsInOutZA], []>;
-      def NAME # _ZA64_VG1X4_I64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x4", "vm4", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x4", [IsStreaming, IsInOutZA], []>;
-    }
+    def NAME # _ZA64_VG1X2_I64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x2", "vm2", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x2", [IsStreaming, IsInOutZA], []>;
+    def NAME # _ZA64_VG1X4_I64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x4", "vm4", "lUl", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x4", [IsStreaming, IsInOutZA], []>;
+  }
 
-    let TargetGuard = "sme-f64f64" in {
-      def NAME # _ZA64_VG1X2_F64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x2", "vm2", "d", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x2", [IsStreaming, IsInOutZA], []>;
-      def NAME # _ZA64_VG1X4_F64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x4", "vm4", "d", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x4", [IsStreaming, IsInOutZA], []>;
-    }
+  let TargetGuard = "sme2,sme-f64f64" in {
+    def NAME # _ZA64_VG1X2_F64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x2", "vm2", "d", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x2", [IsStreaming, IsInOutZA], []>;
+    def NAME # _ZA64_VG1X4_F64 : Inst<"sv" # n_suffix # "_za64[_{d}]_vg1x4", "vm4", "d", MergeNone, "aarch64_sme_" # n_suffix # "_za64_vg1x4", [IsStreaming, IsInOutZA], []>;
   }
 }
 
diff --git a/contrib/llvm-project/clang/include/clang/Driver/Options.td b/contrib/llvm-project/clang/include/clang/Driver/Options.td
index e8d03fc26902..175bedbfb4d0 100644
--- a/contrib/llvm-project/clang/include/clang/Driver/Options.td
+++ b/contrib/llvm-project/clang/include/clang/Driver/Options.td
@@ -5815,6 +5815,18 @@ def mvis3 : Flag<["-"], "mvis3">, Group<m_sparc_Features_Group>;
 def mno_vis3 : Flag<["-"], "mno-vis3">, Group<m_sparc_Features_Group>;
 def mhard_quad_float : Flag<["-"], "mhard-quad-float">, Group<m_sparc_Features_Group>;
 def msoft_quad_float : Flag<["-"], "msoft-quad-float">, Group<m_sparc_Features_Group>;
+foreach i = 1 ... 7 in
+  def ffixed_g#i : Flag<["-"], "ffixed-g"#i>, Group<m_sparc_Features_Group>,
+    HelpText<"Reserve the G"#i#" register (SPARC only)">;
+foreach i = 0 ... 5 in
+  def ffixed_o#i : Flag<["-"], "ffixed-o"#i>, Group<m_sparc_Features_Group>,
+    HelpText<"Reserve the O"#i#" register (SPARC only)">;
+foreach i = 0 ... 7 in
+  def ffixed_l#i : Flag<["-"], "ffixed-l"#i>, Group<m_sparc_Features_Group>,
+    HelpText<"Reserve the L"#i#" register (SPARC only)">;
+foreach i = 0 ... 5 in
+  def ffixed_i#i : Flag<["-"], "ffixed-i"#i>, Group<m_sparc_Features_Group>,
+    HelpText<"Reserve the I"#i#" register (SPARC only)">;
 } // let Flags = [TargetSpecific]
 
 // M68k features flags
diff --git a/contrib/llvm-project/clang/lib/Basic/Targets/AArch64.cpp b/contrib/llvm-project/clang/lib/Basic/Targets/AArch64.cpp
index 336b7a5e3d72..3036f461c1de 100644
--- a/contrib/llvm-project/clang/lib/Basic/Targets/AArch64.cpp
+++ b/contrib/llvm-project/clang/lib/Basic/Targets/AArch64.cpp
@@ -1187,6 +1187,8 @@ TargetInfo::BuiltinVaListKind AArch64TargetInfo::getBuiltinVaListKind() const {
 }
 
 const char *const AArch64TargetInfo::GCCRegNames[] = {
+    // clang-format off
+
     // 32-bit Integer registers
     "w0", "w1", "w2", "w3", "w4", "w5", "w6", "w7", "w8", "w9", "w10", "w11",
     "w12", "w13", "w14", "w15", "w16", "w17", "w18", "w19", "w20", "w21", "w22",
@@ -1223,7 +1225,12 @@ const char *const AArch64TargetInfo::GCCRegNames[] = {
 
     // SVE predicate-as-counter registers
     "pn0",  "pn1",  "pn2",  "pn3",  "pn4",  "pn5",  "pn6",  "pn7",  "pn8",
-    "pn9",  "pn10", "pn11", "pn12", "pn13", "pn14", "pn15"
+    "pn9",  "pn10", "pn11", "pn12", "pn13", "pn14", "pn15",
+
+    // SME registers
+    "za", "zt0",
+
+    // clang-format on
 };
 
 ArrayRef<const char *> AArch64TargetInfo::getGCCRegNames() const {
diff --git a/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/Sparc.cpp b/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/Sparc.cpp
index 22e583021515..ae1a4ba78826 100644
--- a/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/Sparc.cpp
+++ b/contrib/llvm-project/clang/lib/Driver/ToolChains/Arch/Sparc.cpp
@@ -178,4 +178,85 @@ void sparc::getSparcTargetFeatures(const Driver &D, const ArgList &Args,
     else
       Features.push_back("-hard-quad-float");
   }
+
+  if (Args.hasArg(options::OPT_ffixed_g1))
+    Features.push_back("+reserve-g1");
+
+  if (Args.hasArg(options::OPT_ffixed_g2))
+    Features.push_back("+reserve-g2");
+
+  if (Args.hasArg(options::OPT_ffixed_g3))
+    Features.push_back("+reserve-g3");
+
+  if (Args.hasArg(options::OPT_ffixed_g4))
+    Features.push_back("+reserve-g4");
+
+  if (Args.hasArg(options::OPT_ffixed_g5))
+    Features.push_back("+reserve-g5");
+
+  if (Args.hasArg(options::OPT_ffixed_g6))
+    Features.push_back("+reserve-g6");
+
+  if (Args.hasArg(options::OPT_ffixed_g7))
+    Features.push_back("+reserve-g7");
+
+  if (Args.hasArg(options::OPT_ffixed_o0))
+    Features.push_back("+reserve-o0");
+
+  if (Args.hasArg(options::OPT_ffixed_o1))
+    Features.push_back("+reserve-o1");
+
+  if (Args.hasArg(options::OPT_ffixed_o2))
+    Features.push_back("+reserve-o2");
+
+  if (Args.hasArg(options::OPT_ffixed_o3))
+    Features.push_back("+reserve-o3");
+
+  if (Args.hasArg(options::OPT_ffixed_o4))
+    Features.push_back("+reserve-o4");
+
+  if (Args.hasArg(options::OPT_ffixed_o5))
+    Features.push_back("+reserve-o5");
+
+  if (Args.hasArg(options::OPT_ffixed_l0))
+    Features.push_back("+reserve-l0");
+
+  if (Args.hasArg(options::OPT_ffixed_l1))
+    Features.push_back("+reserve-l1");
+
+  if (Args.hasArg(options::OPT_ffixed_l2))
+    Features.push_back("+reserve-l2");
+
+  if (Args.hasArg(options::OPT_ffixed_l3))
+    Features.push_back("+reserve-l3");
+
+  if (Args.hasArg(options::OPT_ffixed_l4))
+    Features.push_back("+reserve-l4");
+
+  if (Args.hasArg(options::OPT_ffixed_l5))
+    Features.push_back("+reserve-l5");
+
+  if (Args.hasArg(options::OPT_ffixed_l6))
+    Features.push_back("+reserve-l6");
+
+  if (Args.hasArg(options::OPT_ffixed_l7))
+    Features.push_back("+reserve-l7");
+
+  if (Args.hasArg(options::OPT_ffixed_i0))
+    Features.push_back("+reserve-i0");
+
+  if (Args.hasArg(options::OPT_ffixed_i1))
+    Features.push_back("+reserve-i1");
+
+  if (Args.hasArg(options::OPT_ffixed_i2))
+    Features.push_back("+reserve-i2");
+
+  if (Args.hasArg(options::OPT_ffixed_i3))
+    Features.push_back("+reserve-i3");
+
+  if (Args.hasArg(options::OPT_ffixed_i4))
+    Features.push_back("+reserve-i4");
+
+  if (Args.hasArg(options::OPT_ffixed_i5))
+    Features.push_back("+reserve-i5");
 }
diff --git a/contrib/llvm-project/clang/lib/Format/UnwrappedLineParser.cpp b/contrib/llvm-project/clang/lib/Format/UnwrappedLineParser.cpp
index b904e0e56d9e..573919798870 100644
--- a/contrib/llvm-project/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/contrib/llvm-project/clang/lib/Format/UnwrappedLineParser.cpp
@@ -2515,7 +2515,7 @@ bool UnwrappedLineParser::parseParens(TokenType AmpAmpTokenType) {
         parseChildBlock();
       break;
     case tok::r_paren:
-      if (!MightBeStmtExpr &&
+      if (!MightBeStmtExpr && !Line->InMacroBody &&
           Style.RemoveParentheses > FormatStyle::RPS_Leave) {
         const auto *Prev = LeftParen->Previous;
         const auto *Next = Tokens->peekNextToken();
diff --git a/contrib/llvm-project/clang/lib/Sema/SemaExpr.cpp b/contrib/llvm-project/clang/lib/Sema/SemaExpr.cpp
index 4efcb3590355..0d9c087ed0cd 100644
--- a/contrib/llvm-project/clang/lib/Sema/SemaExpr.cpp
+++ b/contrib/llvm-project/clang/lib/Sema/SemaExpr.cpp
@@ -14062,7 +14062,7 @@ inline QualType Sema::CheckLogicalOperands(ExprResult &LHS, ExprResult &RHS,
     Expr::EvalResult EVResult;
     if (RHS.get()->EvaluateAsInt(EVResult, Context)) {
       llvm::APSInt Result = EVResult.Val.getInt();
-      if ((getLangOpts().Bool && !RHS.get()->getType()->isBooleanType() &&
+      if ((getLangOpts().CPlusPlus && !RHS.get()->getType()->isBooleanType() &&
            !RHS.get()->getExprLoc().isMacroID()) ||
           (Result != 0 && Result != 1)) {
         Diag(Loc, diag::warn_logical_instead_of_bitwise)
diff --git a/contrib/llvm-project/clang/tools/clang-format/ClangFormat.cpp b/contrib/llvm-project/clang/tools/clang-format/ClangFormat.cpp
index 5ee6092bb9bb..e122cea50f72 100644
--- a/contrib/llvm-project/clang/tools/clang-format/ClangFormat.cpp
+++ b/contrib/llvm-project/clang/tools/clang-format/ClangFormat.cpp
@@ -399,7 +399,8 @@ class ClangFormatDiagConsumer : public DiagnosticConsumer {
 };
 
 // Returns true on error.
-static bool format(StringRef FileName, bool IsSTDIN) {
+static bool format(StringRef FileName) {
+  const bool IsSTDIN = FileName == "-";
   if (!OutputXML && Inplace && IsSTDIN) {
     errs() << "error: cannot use -i when reading from stdin.\n";
     return false;
@@ -545,24 +546,25 @@ static void PrintVersion(raw_ostream &OS) {
 }
 
 // Dump the configuration.
-static int dumpConfig(bool IsSTDIN) {
+static int dumpConfig() {
   std::unique_ptr<llvm::MemoryBuffer> Code;
-
-  // `FileNames` must have at least "-" in it even if no file was specified.
-  assert(!FileNames.empty());
-
-  // Read in the code in case the filename alone isn't enough to detect the
-  // language.
-  ErrorOr<std::unique_ptr<MemoryBuffer>> CodeOrErr =
-      MemoryBuffer::getFileOrSTDIN(FileNames[0]);
-  if (std::error_code EC = CodeOrErr.getError()) {
-    llvm::errs() << EC.message() << "\n";
-    return 1;
+  // We can't read the code to detect the language if there's no file name.
+  if (!FileNames.empty()) {
+    // Read in the code in case the filename alone isn't enough to detect the
+    // language.
+    ErrorOr<std::unique_ptr<MemoryBuffer>> CodeOrErr =
+        MemoryBuffer::getFileOrSTDIN(FileNames[0]);
+    if (std::error_code EC = CodeOrErr.getError()) {
+      llvm::errs() << EC.message() << "\n";
+      return 1;
+    }
+    Code = std::move(CodeOrErr.get());
   }
-  Code = std::move(CodeOrErr.get());
-
   llvm::Expected<clang::format::FormatStyle> FormatStyle =
-      clang::format::getStyle(Style, IsSTDIN ? AssumeFileName : FileNames[0],
+      clang::format::getStyle(Style,
+                              FileNames.empty() || FileNames[0] == "-"
+                                  ? AssumeFileName
+                                  : FileNames[0],
                               FallbackStyle, Code ? Code->getBuffer() : "");
   if (!FormatStyle) {
     llvm::errs() << llvm::toString(FormatStyle.takeError()) << "\n";
@@ -682,11 +684,8 @@ int main(int argc, const char **argv) {
     return 0;
   }
 
-  if (FileNames.empty())
-    FileNames.push_back("-");
-
   if (DumpConfig)
-    return dumpConfig(FileNames[0] == "-");
+    return dumpConfig();
 
   if (!Files.empty()) {
     std::ifstream ExternalFileOfFiles{std::string(Files)};
@@ -699,7 +698,10 @@ int main(int argc, const char **argv) {
     errs() << "Clang-formating " << LineNo << " files\n";
   }
 
-  if (FileNames.size() != 1 &&
+  if (FileNames.empty())
+    return clang::format::format("-");
+
+  if (FileNames.size() > 1 &&
       (!Offsets.empty() || !Lengths.empty() || !LineRanges.empty())) {
     errs() << "error: -offset, -length and -lines can only be used for "
               "single file.\n";
@@ -709,14 +711,13 @@ int main(int argc, const char **argv) {
   unsigned FileNo = 1;
   bool Error = false;
   for (const auto &FileName : FileNames) {
-    const bool IsSTDIN = FileName == "-";
-    if (!IsSTDIN && isIgnored(FileName))
+    if (isIgnored(FileName))
       continue;
     if (Verbose) {
       errs() << "Formatting [" << FileNo++ << "/" << FileNames.size() << "] "
              << FileName << "\n";
     }
-    Error |= clang::format::format(FileName, IsSTDIN);
+    Error |= clang::format::format(FileName);
   }
   return Error ? 1 : 0;
 }