r285007 - Revert "Add support for __builtin_os_log_format[_buffer_size]"

Mehdi Amini via cfe-commits cfe-commits at lists.llvm.org
Mon Oct 24 12:41:36 PDT 2016


Author: mehdi_amini
Date: Mon Oct 24 14:41:36 2016
New Revision: 285007

URL: http://llvm.org/viewvc/llvm-project?rev=285007&view=rev
Log:
Revert "Add support for __builtin_os_log_format[_buffer_size]"

This reverts commit r284990, two opencl test are broken

Removed:
    cfe/trunk/include/clang/Analysis/Analyses/OSLog.h
    cfe/trunk/lib/Analysis/OSLog.cpp
    cfe/trunk/test/CodeGenObjC/os_log.m
    cfe/trunk/test/SemaObjC/format-strings-oslog.m
Modified:
    cfe/trunk/include/clang/Analysis/Analyses/FormatString.h
    cfe/trunk/include/clang/Basic/Builtins.def
    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
    cfe/trunk/include/clang/Sema/Sema.h
    cfe/trunk/lib/Analysis/CMakeLists.txt
    cfe/trunk/lib/Analysis/FormatString.cpp
    cfe/trunk/lib/Analysis/PrintfFormatString.cpp
    cfe/trunk/lib/CodeGen/CGBuiltin.cpp
    cfe/trunk/lib/Sema/SemaChecking.cpp
    cfe/trunk/lib/Sema/SemaDeclAttr.cpp
    cfe/trunk/test/CodeGen/builtins.c

Modified: cfe/trunk/include/clang/Analysis/Analyses/FormatString.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Analysis/Analyses/FormatString.h?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/include/clang/Analysis/Analyses/FormatString.h (original)
+++ cfe/trunk/include/clang/Analysis/Analyses/FormatString.h Mon Oct 24 14:41:36 2016
@@ -35,7 +35,7 @@ class OptionalFlag {
 public:
   OptionalFlag(const char *Representation)
       : representation(Representation), flag(false) {}
-  bool isSet() const { return flag; }
+  bool isSet() { return flag; }
   void set() { flag = true; }
   void clear() { flag = false; }
   void setPosition(const char *position) {
@@ -122,13 +122,12 @@ class ConversionSpecifier {
 public:
   enum Kind {
     InvalidSpecifier = 0,
-    // C99 conversion specifiers.
+      // C99 conversion specifiers.
     cArg,
     dArg,
     DArg, // Apple extension
     iArg,
-    IntArgBeg = dArg,
-    IntArgEnd = iArg,
+    IntArgBeg = dArg, IntArgEnd = iArg,
 
     oArg,
     OArg, // Apple extension
@@ -136,8 +135,7 @@ public:
     UArg, // Apple extension
     xArg,
     XArg,
-    UIntArgBeg = oArg,
-    UIntArgEnd = XArg,
+    UIntArgBeg = oArg, UIntArgEnd = XArg,
 
     fArg,
     FArg,
@@ -147,8 +145,7 @@ public:
     GArg,
     aArg,
     AArg,
-    DoubleArgBeg = fArg,
-    DoubleArgEnd = AArg,
+    DoubleArgBeg = fArg, DoubleArgEnd = AArg,
 
     sArg,
     pArg,
@@ -157,19 +154,13 @@ public:
     CArg,
     SArg,
 
-    // Apple extension: P specifies to os_log that the data being pointed to is
-    // to be copied by os_log. The precision indicates the number of bytes to
-    // copy.
-    PArg,
-
     // ** Printf-specific **
 
     ZArg, // MS extension
 
     // Objective-C specific specifiers.
-    ObjCObjArg, // '@'
-    ObjCBeg = ObjCObjArg,
-    ObjCEnd = ObjCObjArg,
+    ObjCObjArg,  // '@'
+    ObjCBeg = ObjCObjArg, ObjCEnd = ObjCObjArg,
 
     // FreeBSD kernel specific specifiers.
     FreeBSDbArg,
@@ -178,15 +169,13 @@ public:
     FreeBSDyArg,
 
     // GlibC specific specifiers.
-    PrintErrno, // 'm'
+    PrintErrno,   // 'm'
 
-    PrintfConvBeg = ObjCObjArg,
-    PrintfConvEnd = PrintErrno,
+    PrintfConvBeg = ObjCObjArg, PrintfConvEnd = PrintErrno,
 
     // ** Scanf-specific **
     ScanListArg, // '['
-    ScanfConvBeg = ScanListArg,
-    ScanfConvEnd = ScanListArg
+    ScanfConvBeg = ScanListArg, ScanfConvEnd = ScanListArg
   };
 
   ConversionSpecifier(bool isPrintf = true)
@@ -448,15 +437,13 @@ class PrintfSpecifier : public analyze_f
   OptionalFlag HasAlternativeForm; // '#'
   OptionalFlag HasLeadingZeroes; // '0'
   OptionalFlag HasObjCTechnicalTerm; // '[tt]'
-  OptionalFlag IsPrivate;            // '{private}'
-  OptionalFlag IsPublic;             // '{public}'
   OptionalAmount Precision;
 public:
-  PrintfSpecifier()
-      : FormatSpecifier(/* isPrintf = */ true), HasThousandsGrouping("'"),
-        IsLeftJustified("-"), HasPlusPrefix("+"), HasSpacePrefix(" "),
-        HasAlternativeForm("#"), HasLeadingZeroes("0"),
-        HasObjCTechnicalTerm("tt"), IsPrivate("private"), IsPublic("public") {}
+  PrintfSpecifier() :
+    FormatSpecifier(/* isPrintf = */ true),
+    HasThousandsGrouping("'"), IsLeftJustified("-"), HasPlusPrefix("+"),
+    HasSpacePrefix(" "), HasAlternativeForm("#"), HasLeadingZeroes("0"),
+    HasObjCTechnicalTerm("tt") {}
 
   static PrintfSpecifier Parse(const char *beg, const char *end);
 
@@ -485,8 +472,6 @@ public:
   void setHasObjCTechnicalTerm(const char *position) {
     HasObjCTechnicalTerm.setPosition(position);
   }
-  void setIsPrivate(const char *position) { IsPrivate.setPosition(position); }
-  void setIsPublic(const char *position) { IsPublic.setPosition(position); }
   void setUsesPositionalArg() { UsesPositionalArg = true; }
 
     // Methods for querying the format specifier.
@@ -524,8 +509,6 @@ public:
   const OptionalFlag &hasLeadingZeros() const { return HasLeadingZeroes; }
   const OptionalFlag &hasSpacePrefix() const { return HasSpacePrefix; }
   const OptionalFlag &hasObjCTechnicalTerm() const { return HasObjCTechnicalTerm; }
-  const OptionalFlag &isPrivate() const { return IsPrivate; }
-  const OptionalFlag &isPublic() const { return IsPublic; }
   bool usesPositionalArg() const { return UsesPositionalArg; }
 
   /// Changes the specifier and length according to a QualType, retaining any

Removed: cfe/trunk/include/clang/Analysis/Analyses/OSLog.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Analysis/Analyses/OSLog.h?rev=285006&view=auto
==============================================================================
--- cfe/trunk/include/clang/Analysis/Analyses/OSLog.h (original)
+++ cfe/trunk/include/clang/Analysis/Analyses/OSLog.h (removed)
@@ -1,155 +0,0 @@
-//= OSLog.h - Analysis of calls to os_log builtins --*- C++ -*-===============//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines APIs for determining the layout of the data buffer for
-// os_log() and os_trace().
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_ANALYSIS_ANALYSES_OSLOG_H
-#define LLVM_CLANG_ANALYSIS_ANALYSES_OSLOG_H
-
-#include "clang/AST/ASTContext.h"
-#include "clang/AST/Expr.h"
-
-namespace clang {
-namespace analyze_os_log {
-
-/// An OSLogBufferItem represents a single item in the data written by a call
-/// to os_log() or os_trace().
-class OSLogBufferItem {
-public:
-  enum Kind {
-    // The item is a scalar (int, float, raw pointer, etc.). No further copying
-    // is required. This is the only kind allowed by os_trace().
-    ScalarKind = 0,
-
-    // The item is a count, which describes the length of the following item to
-    // be copied. A count may only be followed by an item of kind StringKind,
-    // WideStringKind, or PointerKind.
-    CountKind,
-
-    // The item is a pointer to a C string. If preceded by a count 'n',
-    // os_log() will copy at most 'n' bytes from the pointer.
-    StringKind,
-
-    // The item is a pointer to a block of raw data. This item must be preceded
-    // by a count 'n'. os_log() will copy exactly 'n' bytes from the pointer.
-    PointerKind,
-
-    // The item is a pointer to an Objective-C object. os_log() may retain the
-    // object for later processing.
-    ObjCObjKind,
-
-    // The item is a pointer to wide-char string.
-    WideStringKind,
-
-    // The item is corresponding to the '%m' format specifier, no value is
-    // populated in the buffer and the runtime is loading the errno value.
-    ErrnoKind
-  };
-
-  enum {
-    // The item is marked "private" in the format string.
-    IsPrivate = 0x1,
-
-    // The item is marked "public" in the format string.
-    IsPublic = 0x2
-  };
-
-private:
-  Kind TheKind = ScalarKind;
-  const Expr *TheExpr = nullptr;
-  CharUnits ConstValue;
-  CharUnits Size; // size of the data, not including the header bytes
-  unsigned Flags = 0;
-
-public:
-  OSLogBufferItem(Kind kind, const Expr *expr, CharUnits size, unsigned flags)
-      : TheKind(kind), TheExpr(expr), Size(size), Flags(flags) {}
-
-  OSLogBufferItem(ASTContext &Ctx, CharUnits value, unsigned flags)
-      : TheKind(CountKind), ConstValue(value),
-        Size(Ctx.getTypeSizeInChars(Ctx.IntTy)), Flags(flags) {}
-
-  unsigned char getDescriptorByte() const {
-    unsigned char result = 0;
-    if (getIsPrivate())
-      result |= IsPrivate;
-    if (getIsPublic())
-      result |= IsPublic;
-    result |= ((unsigned)getKind()) << 4;
-    return result;
-  }
-
-  unsigned char getSizeByte() const { return size().getQuantity(); }
-
-  Kind getKind() const { return TheKind; }
-  bool getIsPrivate() const { return (Flags & IsPrivate) != 0; }
-  bool getIsPublic() const { return (Flags & IsPublic) != 0; }
-
-  const Expr *getExpr() const { return TheExpr; }
-  CharUnits getConstValue() const { return ConstValue; }
-  CharUnits size() const { return Size; }
-};
-
-class OSLogBufferLayout {
-public:
-  SmallVector<OSLogBufferItem, 4> Items;
-
-  enum Flags { HasPrivateItems = 1, HasNonScalarItems = 1 << 1 };
-
-  CharUnits size() const {
-    CharUnits result;
-    result += CharUnits::fromQuantity(2); // summary byte, num-args byte
-    for (auto &item : Items) {
-      // descriptor byte, size byte
-      result += item.size() + CharUnits::fromQuantity(2);
-    }
-    return result;
-  }
-
-  bool hasPrivateItems() const {
-    return llvm::any_of(
-        Items, [](const OSLogBufferItem &Item) { return Item.getIsPrivate(); });
-  }
-
-  bool hasPublicItems() const {
-    return llvm::any_of(
-        Items, [](const OSLogBufferItem &Item) { return Item.getIsPublic(); });
-  }
-
-  bool hasNonScalar() const {
-    return llvm::any_of(Items, [](const OSLogBufferItem &Item) {
-      return Item.getKind() != OSLogBufferItem::ScalarKind;
-    });
-  }
-
-  unsigned char getSummaryByte() const {
-    unsigned char result = 0;
-    if (hasPrivateItems())
-      result |= HasPrivateItems;
-    if (hasNonScalar())
-      result |= HasNonScalarItems;
-    return result;
-  }
-
-  unsigned char getNumArgsByte() const { return Items.size(); }
-};
-
-// Given a call 'E' to one of the builtins __builtin_os_log_format() or
-// __builtin_os_log_format_buffer_size(), compute the layout of the buffer that
-// the call will write into and store it in 'layout'. Returns 'false' if there
-// was some error encountered while computing the layout, and 'true' otherwise.
-bool computeOSLogBufferLayout(clang::ASTContext &Ctx, const clang::CallExpr *E,
-                              OSLogBufferLayout &layout);
-
-} // namespace analyze_os_log
-} // namespace clang
-#endif

Modified: cfe/trunk/include/clang/Basic/Builtins.def
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/Builtins.def?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/Builtins.def (original)
+++ cfe/trunk/include/clang/Basic/Builtins.def Mon Oct 24 14:41:36 2016
@@ -1384,10 +1384,6 @@ LANGBUILTIN(to_global, "v*v*", "tn", OCL
 LANGBUILTIN(to_local, "v*v*", "tn", OCLC20_LANG)
 LANGBUILTIN(to_private, "v*v*", "tn", OCLC20_LANG)
 
-// Builtins for os_log/os_trace
-BUILTIN(__builtin_os_log_format_buffer_size, "zcC*.", "p:0:nut")
-BUILTIN(__builtin_os_log_format, "v*v*cC*.", "p:0:nt")
-
 #undef BUILTIN
 #undef LIBBUILTIN
 #undef LANGBUILTIN

Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Mon Oct 24 14:41:36 2016
@@ -7413,12 +7413,6 @@ def warn_format_non_standard: Warning<
 def warn_format_non_standard_conversion_spec: Warning<
   "using length modifier '%0' with conversion specifier '%1' is not supported by ISO C">,
   InGroup<FormatNonStandard>, DefaultIgnore;
-def warn_format_invalid_annotation : Warning<
-  "using '%0' format specifier annotation outside of os_log()/os_trace()">,
-  InGroup<Format>;
-def warn_format_P_no_precision : Warning<
-  "using '%%P' format specifier without precision">,
-  InGroup<Format>;
 def warn_printf_ignored_flag: Warning<
   "flag '%0' is ignored when flag '%1' is present">,
   InGroup<Format>;
@@ -7555,15 +7549,6 @@ def warn_cfstring_truncated : Warning<
   "belong to the input codeset UTF-8">,
   InGroup<DiagGroup<"CFString-literal">>;
 
-// os_log checking
-// TODO: separate diagnostic for os_trace()
-def err_os_log_format_not_string_constant : Error<
-  "os_log() format argument is not a string constant">;
-def err_os_log_argument_too_big : Error<
-  "os_log() argument %d is too big (%d bytes, max %d)">;
-def warn_os_log_format_narg : Error<
- "os_log() '%%n' format specifier is not allowed">, DefaultError;
-
 // Statements.
 def err_continue_not_in_loop : Error<
   "'continue' statement not in loop statement">;

Modified: cfe/trunk/include/clang/Sema/Sema.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Sema/Sema.h?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/include/clang/Sema/Sema.h (original)
+++ cfe/trunk/include/clang/Sema/Sema.h Mon Oct 24 14:41:36 2016
@@ -9679,7 +9679,6 @@ private:
                  VariadicCallType CallType);
 
   bool CheckObjCString(Expr *Arg);
-  ExprResult CheckOSLogFormatStringArg(Expr *Arg);
 
   ExprResult CheckBuiltinFunctionCall(FunctionDecl *FDecl,
                                       unsigned BuiltinID, CallExpr *TheCall);
@@ -9702,7 +9701,6 @@ private:
   bool SemaBuiltinVAStartARM(CallExpr *Call);
   bool SemaBuiltinUnorderedCompare(CallExpr *TheCall);
   bool SemaBuiltinFPClassification(CallExpr *TheCall, unsigned NumArgs);
-  bool SemaBuiltinOSLogFormat(CallExpr *TheCall);
 
 public:
   // Used by C++ template instantiation.
@@ -9740,7 +9738,6 @@ public:
     FST_Kprintf,
     FST_FreeBSDKPrintf,
     FST_OSTrace,
-    FST_OSLog,
     FST_Unknown
   };
   static FormatStringType GetFormatStringType(const FormatAttr *Format);

Modified: cfe/trunk/lib/Analysis/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/CMakeLists.txt?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/CMakeLists.txt (original)
+++ cfe/trunk/lib/Analysis/CMakeLists.txt Mon Oct 24 14:41:36 2016
@@ -16,7 +16,6 @@ add_clang_library(clangAnalysis
   Dominators.cpp
   FormatString.cpp
   LiveVariables.cpp
-  OSLog.cpp
   ObjCNoReturn.cpp
   PostOrderCFGView.cpp
   PrintfFormatString.cpp

Modified: cfe/trunk/lib/Analysis/FormatString.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/FormatString.cpp?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/FormatString.cpp (original)
+++ cfe/trunk/lib/Analysis/FormatString.cpp Mon Oct 24 14:41:36 2016
@@ -591,8 +591,6 @@ const char *ConversionSpecifier::toStrin
   case cArg: return "c";
   case sArg: return "s";
   case pArg: return "p";
-  case PArg:
-    return "P";
   case nArg: return "n";
   case PercentArg:  return "%";
   case ScanListArg: return "[";
@@ -868,7 +866,6 @@ bool FormatSpecifier::hasStandardConvers
     case ConversionSpecifier::ObjCObjArg:
     case ConversionSpecifier::ScanListArg:
     case ConversionSpecifier::PercentArg:
-    case ConversionSpecifier::PArg:
       return true;
     case ConversionSpecifier::CArg:
     case ConversionSpecifier::SArg:

Removed: cfe/trunk/lib/Analysis/OSLog.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/OSLog.cpp?rev=285006&view=auto
==============================================================================
--- cfe/trunk/lib/Analysis/OSLog.cpp (original)
+++ cfe/trunk/lib/Analysis/OSLog.cpp (removed)
@@ -1,177 +0,0 @@
-// TODO: header template
-
-#include "clang/Analysis/Analyses/OSLog.h"
-#include "clang/AST/Attr.h"
-#include "clang/AST/Decl.h"
-#include "clang/AST/DeclCXX.h"
-#include "clang/AST/ExprObjC.h"
-#include "clang/Analysis/Analyses/FormatString.h"
-#include "clang/Basic/Builtins.h"
-#include "llvm/ADT/SmallBitVector.h"
-
-using namespace clang;
-using llvm::APInt;
-
-using clang::analyze_os_log::OSLogBufferItem;
-using clang::analyze_os_log::OSLogBufferLayout;
-
-class OSLogFormatStringHandler
-    : public analyze_format_string::FormatStringHandler {
-private:
-  struct ArgData {
-    const Expr *E = nullptr;
-    Optional<OSLogBufferItem::Kind> Kind;
-    Optional<unsigned> Size;
-    unsigned char Flags = 0;
-  };
-  SmallVector<ArgData, 4> ArgsData;
-  ArrayRef<const Expr *> Args;
-
-  OSLogBufferItem::Kind
-  getKind(analyze_format_string::ConversionSpecifier::Kind K) {
-    switch (K) {
-    case clang::analyze_format_string::ConversionSpecifier::sArg: // "%s"
-      return OSLogBufferItem::StringKind;
-    case clang::analyze_format_string::ConversionSpecifier::SArg: // "%S"
-      return OSLogBufferItem::WideStringKind;
-    case clang::analyze_format_string::ConversionSpecifier::PArg: { // "%P"
-      return OSLogBufferItem::PointerKind;
-    case clang::analyze_format_string::ConversionSpecifier::ObjCObjArg: // "%@"
-      return OSLogBufferItem::ObjCObjKind;
-    case clang::analyze_format_string::ConversionSpecifier::PrintErrno: // "%m"
-      return OSLogBufferItem::ErrnoKind;
-    default:
-      return OSLogBufferItem::ScalarKind;
-    }
-    }
-  }
-
-public:
-  OSLogFormatStringHandler(ArrayRef<const Expr *> Args) : Args(Args) {
-    ArgsData.reserve(Args.size());
-  }
-
-  virtual bool HandlePrintfSpecifier(const analyze_printf::PrintfSpecifier &FS,
-                                     const char *StartSpecifier,
-                                     unsigned SpecifierLen) {
-    if (!FS.consumesDataArgument() &&
-        FS.getConversionSpecifier().getKind() !=
-            clang::analyze_format_string::ConversionSpecifier::PrintErrno)
-      return false;
-
-    ArgsData.emplace_back();
-    unsigned ArgIndex = FS.getArgIndex();
-    if (ArgIndex < Args.size())
-      ArgsData.back().E = Args[ArgIndex];
-
-    // First get the Kind
-    ArgsData.back().Kind = getKind(FS.getConversionSpecifier().getKind());
-    if (ArgsData.back().Kind != OSLogBufferItem::ErrnoKind &&
-        !ArgsData.back().E) {
-      // missing argument
-      ArgsData.pop_back();
-      return false;
-    }
-
-    switch (FS.getConversionSpecifier().getKind()) {
-    case clang::analyze_format_string::ConversionSpecifier::sArg:   // "%s"
-    case clang::analyze_format_string::ConversionSpecifier::SArg: { // "%S"
-      auto &precision = FS.getPrecision();
-      switch (precision.getHowSpecified()) {
-      case clang::analyze_format_string::OptionalAmount::NotSpecified: // "%s"
-        break;
-      case clang::analyze_format_string::OptionalAmount::Constant: // "%.16s"
-        ArgsData.back().Size = precision.getConstantAmount();
-        break;
-      case clang::analyze_format_string::OptionalAmount::Arg: // "%.*s"
-        ArgsData.back().Kind = OSLogBufferItem::CountKind;
-        break;
-      case clang::analyze_format_string::OptionalAmount::Invalid:
-        return false;
-      }
-      break;
-    }
-    case clang::analyze_format_string::ConversionSpecifier::PArg: { // "%P"
-      auto &precision = FS.getPrecision();
-      switch (precision.getHowSpecified()) {
-      case clang::analyze_format_string::OptionalAmount::NotSpecified: // "%P"
-        return false; // length must be supplied with pointer format specifier
-      case clang::analyze_format_string::OptionalAmount::Constant: // "%.16P"
-        ArgsData.back().Size = precision.getConstantAmount();
-        break;
-      case clang::analyze_format_string::OptionalAmount::Arg: // "%.*P"
-        ArgsData.back().Kind = OSLogBufferItem::CountKind;
-        break;
-      case clang::analyze_format_string::OptionalAmount::Invalid:
-        return false;
-      }
-      break;
-    }
-    default:
-      break;
-    }
-
-    if (FS.isPrivate()) {
-      ArgsData.back().Flags |= OSLogBufferItem::IsPrivate;
-    }
-    if (FS.isPublic()) {
-      ArgsData.back().Flags |= OSLogBufferItem::IsPublic;
-    }
-    return true;
-  }
-
-  void computeLayout(ASTContext &Ctx, OSLogBufferLayout &Layout) const {
-    Layout.Items.clear();
-    for (auto &Data : ArgsData) {
-      if (Data.Size)
-        Layout.Items.emplace_back(Ctx, CharUnits::fromQuantity(*Data.Size),
-                                  Data.Flags);
-      if (Data.Kind) {
-        CharUnits Size;
-        if (*Data.Kind == OSLogBufferItem::ErrnoKind)
-          Size = CharUnits::Zero();
-        else
-          Size = Ctx.getTypeSizeInChars(Data.E->getType());
-        Layout.Items.emplace_back(*Data.Kind, Data.E, Size, Data.Flags);
-      } else {
-        auto Size = Ctx.getTypeSizeInChars(Data.E->getType());
-        Layout.Items.emplace_back(OSLogBufferItem::ScalarKind, Data.E, Size,
-                                  Data.Flags);
-      }
-    }
-  }
-};
-
-bool clang::analyze_os_log::computeOSLogBufferLayout(
-    ASTContext &Ctx, const CallExpr *E, OSLogBufferLayout &Layout) {
-  ArrayRef<const Expr *> Args(E->getArgs(), E->getArgs() + E->getNumArgs());
-
-  const Expr *StringArg;
-  ArrayRef<const Expr *> VarArgs;
-  switch (E->getBuiltinCallee()) {
-  case Builtin::BI__builtin_os_log_format_buffer_size:
-    assert(E->getNumArgs() >= 1 &&
-           "__builtin_os_log_format_buffer_size takes at least 1 argument");
-    StringArg = E->getArg(0);
-    VarArgs = Args.slice(1);
-    break;
-  case Builtin::BI__builtin_os_log_format:
-    assert(E->getNumArgs() >= 2 &&
-           "__builtin_os_log_format takes at least 2 arguments");
-    StringArg = E->getArg(1);
-    VarArgs = Args.slice(2);
-    break;
-  default:
-    llvm_unreachable("non-os_log builtin passed to computeOSLogBufferLayout");
-  }
-
-  const StringLiteral *Lit = cast<StringLiteral>(StringArg->IgnoreParenCasts());
-  assert(Lit && (Lit->isAscii() || Lit->isUTF8()));
-  StringRef Data = Lit->getString();
-  OSLogFormatStringHandler H(VarArgs);
-  ParsePrintfString(H, Data.begin(), Data.end(), Ctx.getLangOpts(),
-                    Ctx.getTargetInfo(), /*isFreeBSDKPrintf*/ false);
-
-  H.computeLayout(Ctx, Layout);
-  return true;
-}

Modified: cfe/trunk/lib/Analysis/PrintfFormatString.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/PrintfFormatString.cpp?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/PrintfFormatString.cpp (original)
+++ cfe/trunk/lib/Analysis/PrintfFormatString.cpp Mon Oct 24 14:41:36 2016
@@ -119,39 +119,6 @@ static PrintfSpecifierResult ParsePrintf
     return true;
   }
 
-  const char *OSLogVisibilityFlagsStart = nullptr,
-             *OSLogVisibilityFlagsEnd = nullptr;
-  if (*I == '{') {
-    OSLogVisibilityFlagsStart = I++;
-    // Find the end of the modifier.
-    while (I != E && *I != '}') {
-      I++;
-    }
-    if (I == E) {
-      if (Warn)
-        H.HandleIncompleteSpecifier(Start, E - Start);
-      return true;
-    }
-    assert(*I == '}');
-    OSLogVisibilityFlagsEnd = I++;
-
-    // Just see if 'private' or 'public' is the first word. os_log itself will
-    // do any further parsing.
-    const char *P = OSLogVisibilityFlagsStart + 1;
-    while (P < OSLogVisibilityFlagsEnd && isspace(*P))
-      P++;
-    const char *WordStart = P;
-    while (P < OSLogVisibilityFlagsEnd && (isalnum(*P) || *P == '_'))
-      P++;
-    const char *WordEnd = P;
-    StringRef Word(WordStart, WordEnd - WordStart);
-    if (Word == "private") {
-      FS.setIsPrivate(WordStart);
-    } else if (Word == "public") {
-      FS.setIsPublic(WordStart);
-    }
-  }
-
   // Look for flags (if any).
   bool hasMore = true;
   for ( ; I != E; ++I) {
@@ -286,10 +253,6 @@ static PrintfSpecifierResult ParsePrintf
     // POSIX specific.
     case 'C': k = ConversionSpecifier::CArg; break;
     case 'S': k = ConversionSpecifier::SArg; break;
-    // Apple extension for os_log
-    case 'P':
-      k = ConversionSpecifier::PArg;
-      break;
     // Objective-C.
     case '@': k = ConversionSpecifier::ObjCObjArg; break;
     // Glibc specific.
@@ -338,7 +301,7 @@ static PrintfSpecifierResult ParsePrintf
                                            conversionPosition);
     return true;
   }
-
+  
   PrintfConversionSpecifier CS(conversionPosition, k);
   FS.setConversionSpecifier(CS);
   if (CS.consumesDataArgument() && !FS.usesPositionalArg())
@@ -578,7 +541,6 @@ ArgType PrintfSpecifier::getArgType(ASTC
         return Ctx.IntTy;
       return ArgType(Ctx.WideCharTy, "wchar_t");
     case ConversionSpecifier::pArg:
-    case ConversionSpecifier::PArg:
       return ArgType::CPointerTy;
     case ConversionSpecifier::ObjCObjArg:
       return ArgType::ObjCPointerTy;
@@ -938,7 +900,7 @@ bool PrintfSpecifier::hasValidPrecision(
   if (Precision.getHowSpecified() == OptionalAmount::NotSpecified)
     return true;
 
-  // Precision is only valid with the diouxXaAeEfFgGsP conversions
+  // Precision is only valid with the diouxXaAeEfFgGs conversions
   switch (CS.getKind()) {
   case ConversionSpecifier::dArg:
   case ConversionSpecifier::DArg:
@@ -960,7 +922,6 @@ bool PrintfSpecifier::hasValidPrecision(
   case ConversionSpecifier::sArg:
   case ConversionSpecifier::FreeBSDrArg:
   case ConversionSpecifier::FreeBSDyArg:
-  case ConversionSpecifier::PArg:
     return true;
 
   default:

Modified: cfe/trunk/lib/CodeGen/CGBuiltin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGBuiltin.cpp?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CGBuiltin.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGBuiltin.cpp Mon Oct 24 14:41:36 2016
@@ -11,15 +11,14 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "CodeGenFunction.h"
 #include "CGCXXABI.h"
 #include "CGObjCRuntime.h"
 #include "CGOpenCLRuntime.h"
-#include "CodeGenFunction.h"
 #include "CodeGenModule.h"
 #include "TargetInfo.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Decl.h"
-#include "clang/Analysis/Analyses/OSLog.h"
 #include "clang/Basic/TargetBuiltins.h"
 #include "clang/Basic/TargetInfo.h"
 #include "clang/CodeGen/CGFunctionInfo.h"
@@ -565,18 +564,6 @@ Value *CodeGenFunction::EmitMSVCBuiltinE
   llvm_unreachable("Incorrect MSVC intrinsic!");
 }
 
-namespace {
-// ARC cleanup for __builtin_os_log_format
-struct CallObjCArcUse final : EHScopeStack::Cleanup {
-  CallObjCArcUse(llvm::Value *object) : object(object) {}
-  llvm::Value *object;
-
-  void Emit(CodeGenFunction &CGF, Flags flags) override {
-    CGF.EmitARCIntrinsicUse(object);
-  }
-};
-}
-
 RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
                                         unsigned BuiltinID, const CallExpr *E,
                                         ReturnValueSlot ReturnValue) {
@@ -2610,76 +2597,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(
     // Fall through - it's already mapped to the intrinsic by GCCBuiltin.
     break;
   }
-  case Builtin::BI__builtin_os_log_format: {
-    assert(E->getNumArgs() >= 2 &&
-           "__builtin_os_log_format takes at least 2 arguments");
-    analyze_os_log::OSLogBufferLayout Layout;
-    analyze_os_log::computeOSLogBufferLayout(CGM.getContext(), E, Layout);
-    Address BufAddr = EmitPointerWithAlignment(E->getArg(0));
-    // Ignore argument 1, the format string. It is not currently used.
-    CharUnits Offset;
-    Builder.CreateStore(
-        Builder.getInt8(Layout.getSummaryByte()),
-        Builder.CreateConstByteGEP(BufAddr, Offset++, "summary"));
-    Builder.CreateStore(
-        Builder.getInt8(Layout.getNumArgsByte()),
-        Builder.CreateConstByteGEP(BufAddr, Offset++, "numArgs"));
-
-    llvm::SmallVector<llvm::Value *, 4> RetainableOperands;
-    for (const auto &Item : Layout.Items) {
-      Builder.CreateStore(
-          Builder.getInt8(Item.getDescriptorByte()),
-          Builder.CreateConstByteGEP(BufAddr, Offset++, "argDescriptor"));
-      Builder.CreateStore(
-          Builder.getInt8(Item.getSizeByte()),
-          Builder.CreateConstByteGEP(BufAddr, Offset++, "argSize"));
-      Address Addr = Builder.CreateConstByteGEP(BufAddr, Offset);
-      if (const Expr *TheExpr = Item.getExpr()) {
-        Addr = Builder.CreateElementBitCast(
-            Addr, ConvertTypeForMem(TheExpr->getType()));
-        // Check if this is a retainable type.
-        if (TheExpr->getType()->isObjCRetainableType()) {
-          assert(getEvaluationKind(TheExpr->getType()) == TEK_Scalar &&
-                 "Only scalar can be a ObjC retainable type");
-          llvm::Value *SV = EmitScalarExpr(TheExpr, /*Ignore*/ false);
-          RValue RV = RValue::get(SV);
-          LValue LV = MakeAddrLValue(Addr, TheExpr->getType());
-          EmitStoreThroughLValue(RV, LV);
-          // Check if the object is constant, if not, save it in
-          // RetainableOperands.
-          if (!isa<Constant>(SV))
-            RetainableOperands.push_back(SV);
-        } else {
-          EmitAnyExprToMem(TheExpr, Addr, Qualifiers(), /*isInit*/ true);
-        }
-      } else {
-        Addr = Builder.CreateElementBitCast(Addr, Int32Ty);
-        Builder.CreateStore(
-            Builder.getInt32(Item.getConstValue().getQuantity()), Addr);
-      }
-      Offset += Item.size();
-    }
-
-    // Push a clang.arc.use cleanup for each object in RetainableOperands. The
-    // cleanup will cause the use to appear after the final log call, keeping
-    // the object valid while it’s held in the log buffer.  Note that if there’s
-    // a release cleanup on the object, it will already be active; since
-    // cleanups are emitted in reverse order, the use will occur before the
-    // object is released.
-    if (!RetainableOperands.empty() && getLangOpts().ObjCAutoRefCount &&
-        CGM.getCodeGenOpts().OptimizationLevel != 0)
-      for (llvm::Value *object : RetainableOperands)
-        pushFullExprCleanup<CallObjCArcUse>(getARCCleanupKind(), object);
-
-    return RValue::get(BufAddr.getPointer());
-  }
-
-  case Builtin::BI__builtin_os_log_format_buffer_size: {
-    analyze_os_log::OSLogBufferLayout Layout;
-    analyze_os_log::computeOSLogBufferLayout(CGM.getContext(), E, Layout);
-    return RValue::get(ConstantInt::get(ConvertType(E->getType()),
-                                        Layout.size().getQuantity()));
-  }
   }
 
   // If this is an alias for a lib function (e.g. __builtin_sin), emit

Modified: cfe/trunk/lib/Sema/SemaChecking.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaChecking.cpp?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaChecking.cpp (original)
+++ cfe/trunk/lib/Sema/SemaChecking.cpp Mon Oct 24 14:41:36 2016
@@ -1065,12 +1065,6 @@ Sema::CheckBuiltinFunctionCall(FunctionD
   case Builtin::BIget_kernel_preferred_work_group_size_multiple:
     if (SemaOpenCLBuiltinKernelWorkGroupSize(*this, TheCall))
       return ExprError();
-  case Builtin::BI__builtin_os_log_format:
-  case Builtin::BI__builtin_os_log_format_buffer_size:
-    if (SemaBuiltinOSLogFormat(TheCall)) {
-      return ExprError();
-    }
-    break;
   }
 
   // Since the target specific builtins for each arch overlap, only check those
@@ -3484,31 +3478,6 @@ bool Sema::CheckObjCString(Expr *Arg) {
   return false;
 }
 
-/// CheckObjCString - Checks that the format string argument to the os_log()
-/// and os_trace() functions is correct, and converts it to const char *.
-ExprResult Sema::CheckOSLogFormatStringArg(Expr *Arg) {
-  Arg = Arg->IgnoreParenCasts();
-  auto *Literal = dyn_cast<StringLiteral>(Arg);
-  if (!Literal) {
-    if (auto *ObjcLiteral = dyn_cast<ObjCStringLiteral>(Arg)) {
-      Literal = ObjcLiteral->getString();
-    }
-  }
-
-  if (!Literal || (!Literal->isAscii() && !Literal->isUTF8())) {
-    return ExprError(
-        Diag(Arg->getLocStart(), diag::err_os_log_format_not_string_constant)
-        << Arg->getSourceRange());
-  }
-
-  ExprResult Result(Literal);
-  QualType ResultTy = Context.getPointerType(Context.CharTy.withConst());
-  InitializedEntity Entity =
-      InitializedEntity::InitializeParameter(Context, ResultTy, false);
-  Result = PerformCopyInitialization(Entity, SourceLocation(), Result);
-  return Result;
-}
-
 /// Check the arguments to '__builtin_va_start' or '__builtin_ms_va_start'
 /// for validity.  Emit an error and return true on failure; return false
 /// on success.
@@ -3970,86 +3939,6 @@ bool Sema::SemaBuiltinAssumeAligned(Call
   return false;
 }
 
-bool Sema::SemaBuiltinOSLogFormat(CallExpr *TheCall) {
-  unsigned BuiltinID =
-      cast<FunctionDecl>(TheCall->getCalleeDecl())->getBuiltinID();
-  bool IsSizeCall = BuiltinID == Builtin::BI__builtin_os_log_format_buffer_size;
-
-  unsigned NumArgs = TheCall->getNumArgs();
-  unsigned NumRequiredArgs = IsSizeCall ? 1 : 2;
-  if (NumArgs < NumRequiredArgs) {
-    return Diag(TheCall->getLocEnd(), diag::err_typecheck_call_too_few_args)
-           << 0 /* function call */ << NumRequiredArgs << NumArgs
-           << TheCall->getSourceRange();
-  }
-  if (NumArgs >= NumRequiredArgs + 0x100) {
-    return Diag(TheCall->getLocEnd(),
-                diag::err_typecheck_call_too_many_args_at_most)
-           << 0 /* function call */ << (NumRequiredArgs + 0xff) << NumArgs
-           << TheCall->getSourceRange();
-  }
-  unsigned i = 0;
-
-  // For formatting call, check buffer arg.
-  if (!IsSizeCall) {
-    ExprResult Arg(TheCall->getArg(i));
-    InitializedEntity Entity = InitializedEntity::InitializeParameter(
-        Context, Context.VoidPtrTy, false);
-    Arg = PerformCopyInitialization(Entity, SourceLocation(), Arg);
-    if (Arg.isInvalid())
-      return true;
-    TheCall->setArg(i, Arg.get());
-    i++;
-  }
-
-  // Check string literal arg.
-  unsigned FormatIdx = i;
-  {
-    ExprResult Arg = CheckOSLogFormatStringArg(TheCall->getArg(i));
-    if (Arg.isInvalid())
-      return true;
-    TheCall->setArg(i, Arg.get());
-    i++;
-  }
-
-  // Make sure variadic args are scalar.
-  unsigned FirstDataArg = i;
-  while (i < NumArgs) {
-    ExprResult Arg = DefaultVariadicArgumentPromotion(
-        TheCall->getArg(i), VariadicFunction, nullptr);
-    if (Arg.isInvalid())
-      return true;
-    CharUnits ArgSize = Context.getTypeSizeInChars(Arg.get()->getType());
-    if (ArgSize.getQuantity() >= 0x100) {
-      return Diag(Arg.get()->getLocEnd(), diag::err_os_log_argument_too_big)
-             << i << (int)ArgSize.getQuantity() << 0xff
-             << TheCall->getSourceRange();
-    }
-    TheCall->setArg(i, Arg.get());
-    i++;
-  }
-
-  // Check formatting specifiers. NOTE: We're only doing this for the non-size
-  // call to avoid duplicate diagnostics.
-  if (!IsSizeCall) {
-    llvm::SmallBitVector CheckedVarArgs(NumArgs, false);
-    ArrayRef<const Expr *> Args(TheCall->getArgs(), TheCall->getNumArgs());
-    bool Success = CheckFormatArguments(
-        Args, /*HasVAListArg*/ false, FormatIdx, FirstDataArg, FST_OSLog,
-        VariadicFunction, TheCall->getLocStart(), SourceRange(),
-        CheckedVarArgs);
-    if (!Success)
-      return true;
-  }
-
-  if (IsSizeCall) {
-    TheCall->setType(Context.getSizeType());
-  } else {
-    TheCall->setType(Context.VoidPtrTy);
-  }
-  return false;
-}
-
 /// SemaBuiltinConstantArg - Handle a check if argument ArgNum of CallExpr
 /// TheCall is a constant expression.
 bool Sema::SemaBuiltinConstantArg(CallExpr *TheCall, int ArgNum,
@@ -4680,16 +4569,15 @@ checkFormatStringExpr(Sema &S, const Exp
 
 Sema::FormatStringType Sema::GetFormatStringType(const FormatAttr *Format) {
   return llvm::StringSwitch<FormatStringType>(Format->getType()->getName())
-      .Case("scanf", FST_Scanf)
-      .Cases("printf", "printf0", FST_Printf)
-      .Cases("NSString", "CFString", FST_NSString)
-      .Case("strftime", FST_Strftime)
-      .Case("strfmon", FST_Strfmon)
-      .Cases("kprintf", "cmn_err", "vcmn_err", "zcmn_err", FST_Kprintf)
-      .Case("freebsd_kprintf", FST_FreeBSDKPrintf)
-      .Case("os_trace", FST_OSLog)
-      .Case("os_log", FST_OSLog)
-      .Default(FST_Unknown);
+  .Case("scanf", FST_Scanf)
+  .Cases("printf", "printf0", FST_Printf)
+  .Cases("NSString", "CFString", FST_NSString)
+  .Case("strftime", FST_Strftime)
+  .Case("strfmon", FST_Strfmon)
+  .Cases("kprintf", "cmn_err", "vcmn_err", "zcmn_err", FST_Kprintf)
+  .Case("freebsd_kprintf", FST_FreeBSDKPrintf)
+  .Case("os_trace", FST_OSTrace)
+  .Default(FST_Unknown);
 }
 
 /// CheckFormatArguments - Check calls to printf and scanf (and similar
@@ -4799,7 +4687,6 @@ protected:
   Sema &S;
   const FormatStringLiteral *FExpr;
   const Expr *OrigFormatExpr;
-  const Sema::FormatStringType FSType;
   const unsigned FirstDataArg;
   const unsigned NumDataArgs;
   const char *Beg; // Start of format string.
@@ -4816,19 +4703,20 @@ protected:
 
 public:
   CheckFormatHandler(Sema &s, const FormatStringLiteral *fexpr,
-                     const Expr *origFormatExpr,
-                     const Sema::FormatStringType type, unsigned firstDataArg,
+                     const Expr *origFormatExpr, unsigned firstDataArg,
                      unsigned numDataArgs, const char *beg, bool hasVAListArg,
-                     ArrayRef<const Expr *> Args, unsigned formatIdx,
-                     bool inFunctionCall, Sema::VariadicCallType callType,
+                     ArrayRef<const Expr *> Args,
+                     unsigned formatIdx, bool inFunctionCall,
+                     Sema::VariadicCallType callType,
                      llvm::SmallBitVector &CheckedVarArgs,
                      UncoveredArgHandler &UncoveredArg)
-      : S(s), FExpr(fexpr), OrigFormatExpr(origFormatExpr), FSType(type),
-        FirstDataArg(firstDataArg), NumDataArgs(numDataArgs), Beg(beg),
-        HasVAListArg(hasVAListArg), Args(Args), FormatIdx(formatIdx),
-        usesPositionalArgs(false), atFirstArg(true),
-        inFunctionCall(inFunctionCall), CallType(callType),
-        CheckedVarArgs(CheckedVarArgs), UncoveredArg(UncoveredArg) {
+    : S(s), FExpr(fexpr), OrigFormatExpr(origFormatExpr),
+      FirstDataArg(firstDataArg), NumDataArgs(numDataArgs),
+      Beg(beg), HasVAListArg(hasVAListArg),
+      Args(Args), FormatIdx(formatIdx),
+      usesPositionalArgs(false), atFirstArg(true),
+      inFunctionCall(inFunctionCall), CallType(callType),
+      CheckedVarArgs(CheckedVarArgs), UncoveredArg(UncoveredArg) {
     CoveredArgs.resize(numDataArgs);
     CoveredArgs.reset();
   }
@@ -5251,28 +5139,24 @@ void CheckFormatHandler::EmitFormatDiagn
 
 namespace {
 class CheckPrintfHandler : public CheckFormatHandler {
+  bool ObjCContext;
+
 public:
   CheckPrintfHandler(Sema &s, const FormatStringLiteral *fexpr,
-                     const Expr *origFormatExpr,
-                     const Sema::FormatStringType type, unsigned firstDataArg,
-                     unsigned numDataArgs, bool isObjC, const char *beg,
-                     bool hasVAListArg, ArrayRef<const Expr *> Args,
+                     const Expr *origFormatExpr, unsigned firstDataArg,
+                     unsigned numDataArgs, bool isObjC,
+                     const char *beg, bool hasVAListArg,
+                     ArrayRef<const Expr *> Args,
                      unsigned formatIdx, bool inFunctionCall,
                      Sema::VariadicCallType CallType,
                      llvm::SmallBitVector &CheckedVarArgs,
                      UncoveredArgHandler &UncoveredArg)
-      : CheckFormatHandler(s, fexpr, origFormatExpr, type, firstDataArg,
-                           numDataArgs, beg, hasVAListArg, Args, formatIdx,
-                           inFunctionCall, CallType, CheckedVarArgs,
-                           UncoveredArg) {}
-
-  bool isObjCContext() const { return FSType == Sema::FST_NSString; }
-
-  /// Returns true if '%@' specifiers are allowed in the format string.
-  bool allowsObjCArg() const {
-    return FSType == Sema::FST_NSString || FSType == Sema::FST_OSLog ||
-           FSType == Sema::FST_OSTrace;
-  }
+    : CheckFormatHandler(s, fexpr, origFormatExpr, firstDataArg,
+                         numDataArgs, beg, hasVAListArg, Args,
+                         formatIdx, inFunctionCall, CallType, CheckedVarArgs,
+                         UncoveredArg),
+      ObjCContext(isObjC)
+  {}
 
   bool HandleInvalidPrintfConversionSpecifier(
                                       const analyze_printf::PrintfSpecifier &FS,
@@ -5626,54 +5510,11 @@ CheckPrintfHandler::HandlePrintfSpecifie
 
   // Check for using an Objective-C specific conversion specifier
   // in a non-ObjC literal.
-  if (!allowsObjCArg() && CS.isObjCArg()) {
+  if (!ObjCContext && CS.isObjCArg()) {
     return HandleInvalidPrintfConversionSpecifier(FS, startSpecifier,
                                                   specifierLen);
   }
 
-  // %P can only be used with os_log.
-  if (FSType != Sema::FST_OSLog && CS.getKind() == ConversionSpecifier::PArg) {
-    return HandleInvalidPrintfConversionSpecifier(FS, startSpecifier,
-                                                  specifierLen);
-  }
-
-  // %n is not allowed with os_log.
-  if (FSType == Sema::FST_OSLog && CS.getKind() == ConversionSpecifier::nArg) {
-    EmitFormatDiagnostic(S.PDiag(diag::warn_os_log_format_narg),
-                         getLocationOfByte(CS.getStart()),
-                         /*IsStringLocation*/ false,
-                         getSpecifierRange(startSpecifier, specifierLen));
-
-    return true;
-  }
-
-  // Only scalars are allowed for os_trace.
-  if (FSType == Sema::FST_OSTrace &&
-      (CS.getKind() == ConversionSpecifier::PArg ||
-       CS.getKind() == ConversionSpecifier::sArg ||
-       CS.getKind() == ConversionSpecifier::ObjCObjArg)) {
-    return HandleInvalidPrintfConversionSpecifier(FS, startSpecifier,
-                                                  specifierLen);
-  }
-
-  // Check for use of public/private annotation outside of os_log().
-  if (FSType != Sema::FST_OSLog) {
-    if (FS.isPublic().isSet()) {
-      EmitFormatDiagnostic(S.PDiag(diag::warn_format_invalid_annotation)
-                               << "public",
-                           getLocationOfByte(FS.isPublic().getPosition()),
-                           /*IsStringLocation*/ false,
-                           getSpecifierRange(startSpecifier, specifierLen));
-    }
-    if (FS.isPrivate().isSet()) {
-      EmitFormatDiagnostic(S.PDiag(diag::warn_format_invalid_annotation)
-                               << "private",
-                           getLocationOfByte(FS.isPrivate().getPosition()),
-                           /*IsStringLocation*/ false,
-                           getSpecifierRange(startSpecifier, specifierLen));
-    }
-  }
-
   // Check for invalid use of field width
   if (!FS.hasValidFieldWidth()) {
     HandleInvalidAmount(FS, FS.getFieldWidth(), /* field width */ 0,
@@ -5686,15 +5527,6 @@ CheckPrintfHandler::HandlePrintfSpecifie
         startSpecifier, specifierLen);
   }
 
-  // Precision is mandatory for %P specifier.
-  if (CS.getKind() == ConversionSpecifier::PArg &&
-      FS.getPrecision().getHowSpecified() == OptionalAmount::NotSpecified) {
-    EmitFormatDiagnostic(S.PDiag(diag::warn_format_P_no_precision),
-                         getLocationOfByte(startSpecifier),
-                         /*IsStringLocation*/ false,
-                         getSpecifierRange(startSpecifier, specifierLen));
-  }
-
   // Check each flag does not conflict with any other component.
   if (!FS.hasValidThousandsGroupingPrefix())
     HandleFlag(FS, FS.hasThousandsGrouping(), startSpecifier, specifierLen);
@@ -5844,7 +5676,8 @@ CheckPrintfHandler::checkFormatExpr(cons
   using namespace analyze_printf;
   // Now type check the data expression that matches the
   // format specifier.
-  const analyze_printf::ArgType &AT = FS.getArgType(S.Context, isObjCContext());
+  const analyze_printf::ArgType &AT = FS.getArgType(S.Context,
+                                                    ObjCContext);
   if (!AT.isValid())
     return true;
 
@@ -5899,7 +5732,7 @@ CheckPrintfHandler::checkFormatExpr(cons
   // If the argument is an integer of some kind, believe the %C and suggest
   // a cast instead of changing the conversion specifier.
   QualType IntendedTy = ExprTy;
-  if (isObjCContext() &&
+  if (ObjCContext &&
       FS.getConversionSpecifier().getKind() == ConversionSpecifier::CArg) {
     if (ExprTy->isIntegralOrUnscopedEnumerationType() &&
         !ExprTy->isCharType()) {
@@ -5940,8 +5773,8 @@ CheckPrintfHandler::checkFormatExpr(cons
 
   // We may be able to offer a FixItHint if it is a supported type.
   PrintfSpecifier fixedFS = FS;
-  bool success =
-      fixedFS.fixType(IntendedTy, S.getLangOpts(), S.Context, isObjCContext());
+  bool success = fixedFS.fixType(IntendedTy, S.getLangOpts(),
+                                 S.Context, ObjCContext);
 
   if (success) {
     // Get the fix string from the fixed format specifier
@@ -6097,18 +5930,19 @@ namespace {
 class CheckScanfHandler : public CheckFormatHandler {
 public:
   CheckScanfHandler(Sema &s, const FormatStringLiteral *fexpr,
-                    const Expr *origFormatExpr, Sema::FormatStringType type,
-                    unsigned firstDataArg, unsigned numDataArgs,
-                    const char *beg, bool hasVAListArg,
-                    ArrayRef<const Expr *> Args, unsigned formatIdx,
-                    bool inFunctionCall, Sema::VariadicCallType CallType,
+                    const Expr *origFormatExpr, unsigned firstDataArg,
+                    unsigned numDataArgs, const char *beg, bool hasVAListArg,
+                    ArrayRef<const Expr *> Args,
+                    unsigned formatIdx, bool inFunctionCall,
+                    Sema::VariadicCallType CallType,
                     llvm::SmallBitVector &CheckedVarArgs,
                     UncoveredArgHandler &UncoveredArg)
-      : CheckFormatHandler(s, fexpr, origFormatExpr, type, firstDataArg,
-                           numDataArgs, beg, hasVAListArg, Args, formatIdx,
-                           inFunctionCall, CallType, CheckedVarArgs,
-                           UncoveredArg) {}
-
+    : CheckFormatHandler(s, fexpr, origFormatExpr, firstDataArg,
+                         numDataArgs, beg, hasVAListArg,
+                         Args, formatIdx, inFunctionCall, CallType,
+                         CheckedVarArgs, UncoveredArg)
+  {}
+  
   bool HandleScanfSpecifier(const analyze_scanf::ScanfSpecifier &FS,
                             const char *startSpecifier,
                             unsigned specifierLen) override;
@@ -6318,13 +6152,13 @@ static void CheckFormatString(Sema &S, c
   }
 
   if (Type == Sema::FST_Printf || Type == Sema::FST_NSString ||
-      Type == Sema::FST_FreeBSDKPrintf || Type == Sema::FST_OSLog ||
-      Type == Sema::FST_OSTrace) {
-    CheckPrintfHandler H(
-        S, FExpr, OrigFormatExpr, Type, firstDataArg, numDataArgs,
-        (Type == Sema::FST_NSString || Type == Sema::FST_OSTrace), Str,
-        HasVAListArg, Args, format_idx, inFunctionCall, CallType,
-        CheckedVarArgs, UncoveredArg);
+      Type == Sema::FST_FreeBSDKPrintf || Type == Sema::FST_OSTrace) {
+    CheckPrintfHandler H(S, FExpr, OrigFormatExpr, firstDataArg,
+                         numDataArgs, (Type == Sema::FST_NSString ||
+                                       Type == Sema::FST_OSTrace),
+                         Str, HasVAListArg, Args, format_idx,
+                         inFunctionCall, CallType, CheckedVarArgs,
+                         UncoveredArg);
 
     if (!analyze_format_string::ParsePrintfString(H, Str, Str + StrLen,
                                                   S.getLangOpts(),
@@ -6332,9 +6166,10 @@ static void CheckFormatString(Sema &S, c
                                             Type == Sema::FST_FreeBSDKPrintf))
       H.DoneProcessing();
   } else if (Type == Sema::FST_Scanf) {
-    CheckScanfHandler H(S, FExpr, OrigFormatExpr, Type, firstDataArg,
-                        numDataArgs, Str, HasVAListArg, Args, format_idx,
-                        inFunctionCall, CallType, CheckedVarArgs, UncoveredArg);
+    CheckScanfHandler H(S, FExpr, OrigFormatExpr, firstDataArg, numDataArgs,
+                        Str, HasVAListArg, Args, format_idx,
+                        inFunctionCall, CallType, CheckedVarArgs,
+                        UncoveredArg);
 
     if (!analyze_format_string::ParseScanfString(H, Str, Str + StrLen,
                                                  S.getLangOpts(),

Modified: cfe/trunk/lib/Sema/SemaDeclAttr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclAttr.cpp?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclAttr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclAttr.cpp Mon Oct 24 14:41:36 2016
@@ -2804,21 +2804,20 @@ enum FormatAttrKind {
 /// types.
 static FormatAttrKind getFormatAttrKind(StringRef Format) {
   return llvm::StringSwitch<FormatAttrKind>(Format)
-      // Check for formats that get handled specially.
-      .Case("NSString", NSStringFormat)
-      .Case("CFString", CFStringFormat)
-      .Case("strftime", StrftimeFormat)
+    // Check for formats that get handled specially.
+    .Case("NSString", NSStringFormat)
+    .Case("CFString", CFStringFormat)
+    .Case("strftime", StrftimeFormat)
 
-      // Otherwise, check for supported formats.
-      .Cases("scanf", "printf", "printf0", "strfmon", SupportedFormat)
-      .Cases("cmn_err", "vcmn_err", "zcmn_err", SupportedFormat)
-      .Case("kprintf", SupportedFormat)         // OpenBSD.
-      .Case("freebsd_kprintf", SupportedFormat) // FreeBSD.
-      .Case("os_trace", SupportedFormat)
-      .Case("os_log", SupportedFormat)
+    // Otherwise, check for supported formats.
+    .Cases("scanf", "printf", "printf0", "strfmon", SupportedFormat)
+    .Cases("cmn_err", "vcmn_err", "zcmn_err", SupportedFormat)
+    .Case("kprintf", SupportedFormat) // OpenBSD.
+    .Case("freebsd_kprintf", SupportedFormat) // FreeBSD.
+    .Case("os_trace", SupportedFormat)
 
-      .Cases("gcc_diag", "gcc_cdiag", "gcc_cxxdiag", "gcc_tdiag", IgnoredFormat)
-      .Default(InvalidFormat);
+    .Cases("gcc_diag", "gcc_cdiag", "gcc_cxxdiag", "gcc_tdiag", IgnoredFormat)
+    .Default(InvalidFormat);
 }
 
 /// Handle __attribute__((init_priority(priority))) attributes based on

Modified: cfe/trunk/test/CodeGen/builtins.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/builtins.c?rev=285007&r1=285006&r2=285007&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/builtins.c (original)
+++ cfe/trunk/test/CodeGen/builtins.c Mon Oct 24 14:41:36 2016
@@ -355,6 +355,8 @@ void test_float_builtin_ops(float F, dou
 
 }
 
+// __builtin_longjmp isn't supported on all platforms, so only test it on X86.
+#ifdef __x86_64__
 // CHECK-LABEL: define void @test_builtin_longjmp
 void test_builtin_longjmp(void **buffer) {
   // CHECK: [[BITCAST:%.*]] = bitcast
@@ -362,147 +364,10 @@ void test_builtin_longjmp(void **buffer)
   __builtin_longjmp(buffer, 1);
   // CHECK-NEXT: unreachable
 }
+#endif
 
 // CHECK-LABEL: define i64 @test_builtin_readcyclecounter
 long long test_builtin_readcyclecounter() {
   // CHECK: call i64 @llvm.readcyclecounter()
   return __builtin_readcyclecounter();
 }
-
-// CHECK-LABEL: define void @test_builtin_os_log
-// CHECK: (i8* [[BUF:%.*]], i32 [[I:%.*]], i8* [[DATA:%.*]])
-void test_builtin_os_log(void *buf, int i, const char *data) {
-  volatile int len;
-  // CHECK: store i8* [[BUF]], i8** [[BUF_ADDR:%.*]], align 8
-  // CHECK: store i32 [[I]], i32* [[I_ADDR:%.*]], align 4
-  // CHECK: store i8* [[DATA]], i8** [[DATA_ADDR:%.*]], align 8
-
-  // CHECK: store volatile i32 34
-  len = __builtin_os_log_format_buffer_size("%d %{public}s %{private}.16P", i, data, data);
-
-  // CHECK: [[BUF2:%.*]] = load i8*, i8** [[BUF_ADDR]]
-  // CHECK: [[SUMMARY:%.*]] = getelementptr i8, i8* [[BUF2]], i64 0
-  // CHECK: store i8 3, i8* [[SUMMARY]]
-  // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* [[BUF2]], i64 1
-  // CHECK: store i8 4, i8* [[NUM_ARGS]]
-  //
-  // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 2
-  // CHECK: store i8 0, i8* [[ARG1_DESC]]
-  // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 3
-  // CHECK: store i8 4, i8* [[ARG1_SIZE]]
-  // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* [[BUF2]], i64 4
-  // CHECK: [[ARG1_INT:%.*]] = bitcast i8* [[ARG1]] to i32*
-  // CHECK: [[I2:%.*]] = load i32, i32* [[I_ADDR]]
-  // CHECK: store i32 [[I2]], i32* [[ARG1_INT]]
-
-  // CHECK: [[ARG2_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 8
-  // CHECK: store i8 34, i8* [[ARG2_DESC]]
-  // CHECK: [[ARG2_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 9
-  // CHECK: store i8 8, i8* [[ARG2_SIZE]]
-  // CHECK: [[ARG2:%.*]] = getelementptr i8, i8* [[BUF2]], i64 10
-  // CHECK: [[ARG2_PTR:%.*]] = bitcast i8* [[ARG2]] to i8**
-  // CHECK: [[DATA2:%.*]] = load i8*, i8** [[DATA_ADDR]]
-  // CHECK: store i8* [[DATA2]], i8** [[ARG2_PTR]]
-
-  // CHECK: [[ARG3_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 18
-  // CHECK: store i8 17, i8* [[ARG3_DESC]]
-  // CHECK: [[ARG3_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 19
-  // CHECK: store i8 4, i8* [[ARG3_SIZE]]
-  // CHECK: [[ARG3:%.*]] = getelementptr i8, i8* [[BUF2]], i64 20
-  // CHECK: [[ARG3_INT:%.*]] = bitcast i8* [[ARG3]] to i32*
-  // CHECK: store i32 16, i32* [[ARG3_INT]]
-
-  // CHECK: [[ARG4_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 24
-  // CHECK: store i8 49, i8* [[ARG4_DESC]]
-  // CHECK: [[ARG4_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 25
-  // CHECK: store i8 8, i8* [[ARG4_SIZE]]
-  // CHECK: [[ARG4:%.*]] = getelementptr i8, i8* [[BUF2]], i64 26
-  // CHECK: [[ARG4_PTR:%.*]] = bitcast i8* [[ARG4]] to i8**
-  // CHECK: [[DATA3:%.*]] = load i8*, i8** [[DATA_ADDR]]
-  // CHECK: store i8* [[DATA3]], i8** [[ARG4_PTR]]
-
-  __builtin_os_log_format(buf, "%d %{public}s %{private}.16P", i, data, data);
-}
-
-// CHECK-LABEL: define void @test_builtin_os_log_errno
-// CHECK: (i8* [[BUF:%.*]], i8* [[DATA:%.*]])
-void test_builtin_os_log_errno(void *buf, const char *data) {
-  volatile int len;
-  // CHECK: store i8* [[BUF]], i8** [[BUF_ADDR:%.*]], align 8
-  // CHECK: store i8* [[DATA]], i8** [[DATA_ADDR:%.*]], align 8
-
-  // CHECK: store volatile i32 2
-  len = __builtin_os_log_format_buffer_size("%S");
-
-  // CHECK: [[BUF2:%.*]] = load i8*, i8** [[BUF_ADDR]]
-  // CHECK: [[SUMMARY:%.*]] = getelementptr i8, i8* [[BUF2]], i64 0
-  // CHECK: store i8 2, i8* [[SUMMARY]]
-  // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* [[BUF2]], i64 1
-  // CHECK: store i8 1, i8* [[NUM_ARGS]]
-
-  // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 2
-  // CHECK: store i8 96, i8* [[ARG1_DESC]]
-  // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 3
-  // CHECK: store i8 0, i8* [[ARG1_SIZE]]
-  // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* [[BUF2]], i64 4
-  // CHECK: [[ARG1_INT:%.*]] = bitcast i8* [[ARG1]] to i32*
-  // CHECK: store i32 0, i32* [[ARG1_INT]]
-
-  __builtin_os_log_format(buf, "%m");
-}
-
-// CHECK-LABEL: define void @test_builtin_os_log_wide
-// CHECK: (i8* [[BUF:%.*]], i8* [[DATA:%.*]], i32* [[STR:%.*]])
-typedef int wchar_t;
-void test_builtin_os_log_wide(void *buf, const char *data, wchar_t *str) {
-  volatile int len;
-  // CHECK: store i8* [[BUF]], i8** [[BUF_ADDR:%.*]], align 8
-  // CHECK: store i8* [[DATA]], i8** [[DATA_ADDR:%.*]], align 8
-  // CHECK: store i32* [[STR]], i32** [[STR_ADDR:%.*]],
-
-  // CHECK: store volatile i32 12
-  len = __builtin_os_log_format_buffer_size("%S", str);
-
-  // CHECK: [[BUF2:%.*]] = load i8*, i8** [[BUF_ADDR]]
-  // CHECK: [[SUMMARY:%.*]] = getelementptr i8, i8* [[BUF2]], i64 0
-  // CHECK: store i8 2, i8* [[SUMMARY]]
-  // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* [[BUF2]], i64 1
-  // CHECK: store i8 1, i8* [[NUM_ARGS]]
-
-  // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 2
-  // CHECK: store i8 80, i8* [[ARG1_DESC]]
-  // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 3
-  // CHECK: store i8 8, i8* [[ARG1_SIZE]]
-  // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* [[BUF2]], i64 4
-  // CHECK: [[ARG1_PTR:%.*]] = bitcast i8* [[ARG1]] to i32**
-  // CHECK: [[STR2:%.*]] = load i32*, i32** [[STR_ADDR]]
-  // CHECK: store i32* [[STR2]], i32** [[ARG1_PTR]]
-
-  __builtin_os_log_format(buf, "%S", str);
-}
-
-// CHECK-LABEL: define void @test_builtin_os_log_percent
-// Check that the %% which does not consume any argument is correctly handled
-void test_builtin_os_log_percent(void *buf, const char *data) {
-  volatile int len;
-  // CHECK: store i8* [[BUF]], i8** [[BUF_ADDR:%.*]], align 8
-  // CHECK: store i8* [[DATA]], i8** [[DATA_ADDR:%.*]], align 8
-  // CHECK: store volatile i32 12
-  len = __builtin_os_log_format_buffer_size("%s %%", data);
-
-  // CHECK: [[BUF2:%.*]] = load i8*, i8** [[BUF_ADDR]]
-  // CHECK: [[SUMMARY:%.*]] = getelementptr i8, i8* [[BUF2]], i64 0
-  // CHECK: store i8 2, i8* [[SUMMARY]]
-  // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* [[BUF2]], i64 1
-  // CHECK: store i8 1, i8* [[NUM_ARGS]]
-  //
-  // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* [[BUF2]], i64 2
-  // CHECK: store i8 32, i8* [[ARG1_DESC]]
-  // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* [[BUF2]], i64 3
-  // CHECK: store i8 8, i8* [[ARG1_SIZE]]
-  // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* [[BUF2]], i64 4
-  // CHECK: [[ARG1_PTR:%.*]] = bitcast i8* [[ARG1]] to i8**
-  // CHECK: [[DATA2:%.*]] = load i8*, i8** [[DATA_ADDR]]
-  // CHECK: store i8* [[DATA2]], i8** [[ARG1_PTR]]
-  __builtin_os_log_format(buf, "%s %%", data);
-}

Removed: cfe/trunk/test/CodeGenObjC/os_log.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenObjC/os_log.m?rev=285006&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenObjC/os_log.m (original)
+++ cfe/trunk/test/CodeGenObjC/os_log.m (removed)
@@ -1,39 +0,0 @@
-// RUN: %clang_cc1 %s -emit-llvm -o - -triple x86_64-darwin-apple -fobjc-arc -O2 | FileCheck %s
-
-// Make sure we emit clang.arc.use before calling objc_release as part of the
-// cleanup. This way we make sure the object will not be released until the
-// end of the full expression.
-
-// rdar://problem/24528966
-
- at class NSString;
-extern __attribute__((visibility("default"))) NSString *GenString();
-
-// Behavior of __builtin_os_log differs between platforms, so only test on X86
-#ifdef __x86_64__
-// CHECK-LABEL: define i8* @test_builtin_os_log
-void *test_builtin_os_log(void *buf) {
-  return __builtin_os_log_format(buf, "capabilities: %@", GenString());
-
-  // CHECK: store i8 2, i8*
-  // CHECK: [[NUM_ARGS:%.*]] = getelementptr i8, i8* {{.*}}, i64 1
-  // CHECK: store i8 1, i8* [[NUM_ARGS]]
-  //
-  // CHECK: [[ARG1_DESC:%.*]] = getelementptr i8, i8* {{.*}}, i64 2
-  // CHECK: store i8 64, i8* [[ARG1_DESC]]
-  // CHECK: [[ARG1_SIZE:%.*]] = getelementptr i8, i8* {{.*}}, i64 3
-  // CHECK: store i8 8, i8* [[ARG1_SIZE]]
-  // CHECK: [[ARG1:%.*]] = getelementptr i8, i8* {{.*}}, i64 4
-  // CHECK: [[ARG1_CAST:%.*]] = bitcast i8* [[ARG1]] to
-
-  // CHECK: [[STRING:%.*]] = {{.*}} call {{.*}} @GenString()
-  // CHECK: [[STRING_CAST:%.*]] = bitcast {{.*}} [[STRING]] to
-  // CHECK: call {{.*}} @objc_retainAutoreleasedReturnValue(i8* [[STRING_CAST]])
-  // CHECK: store {{.*}} [[STRING]], {{.*}} [[ARG1_CAST]]
-
-  // CHECK: call void (...) @clang.arc.use({{.*}} [[STRING]])
-  // CHECK: call void @objc_release(i8* [[STRING_CAST]])
-  // CHECK: ret i8*
-}
-
-#endif

Removed: cfe/trunk/test/SemaObjC/format-strings-oslog.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaObjC/format-strings-oslog.m?rev=285006&view=auto
==============================================================================
--- cfe/trunk/test/SemaObjC/format-strings-oslog.m (original)
+++ cfe/trunk/test/SemaObjC/format-strings-oslog.m (removed)
@@ -1,62 +0,0 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s
-
-#include <stdarg.h>
-#include <stddef.h>
-#define __need_wint_t
-#include <stddef.h> // For wint_t and wchar_t
-
-int printf(const char *restrict, ...);
-
- at interface NSString
- at end
-
-void test_os_log_format(const char *pc, int i, void *p, void *buf) {
-  __builtin_os_log_format(buf, "");
-  __builtin_os_log_format(buf, "%d"); // expected-warning {{more '%' conversions than data arguments}}
-  __builtin_os_log_format(buf, "%d", i);
-  __builtin_os_log_format(buf, "%P", p); // expected-warning {{using '%P' format specifier without precision}}
-  __builtin_os_log_format(buf, "%.10P", p);
-  __builtin_os_log_format(buf, "%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}}
-  __builtin_os_log_format(buf, "%.*P", i, p);
-  __builtin_os_log_format(buf, "%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}}
-  __builtin_os_log_format(buf, "%n");         // expected-error {{os_log() '%n' format specifier is not allowed}}
-  __builtin_os_log_format(buf, pc);           // expected-error {{os_log() format argument is not a string constant}}
-
-  printf("%{private}s", pc); // expected-warning {{using 'private' format specifier annotation outside of os_log()/os_trace()}}
-  __builtin_os_log_format(buf, "%{private}s", pc);
-
-  // <rdar://problem/23835805>
-  __builtin_os_log_format_buffer_size("no-args");
-  __builtin_os_log_format(buf, "%s", "hi");
-
-  // <rdar://problem/24828090>
-  wchar_t wc = 'a';
-  __builtin_os_log_format(buf, "%C", wc);
-  printf("%C", wc);
-  wchar_t wcs[] = {'a', 0};
-  __builtin_os_log_format(buf, "%S", wcs);
-  printf("%S", wcs);
-}
-
-// Test os_log_format primitive with ObjC string literal format argument.
-void test_objc(const char *pc, int i, void *p, void *buf, NSString *nss) {
-  __builtin_os_log_format(buf, @"");
-  __builtin_os_log_format(buf, @"%d"); // expected-warning {{more '%' conversions than data arguments}}
-  __builtin_os_log_format(buf, @"%d", i);
-  __builtin_os_log_format(buf, @"%P", p); // expected-warning {{using '%P' format specifier without precision}}
-  __builtin_os_log_format(buf, @"%.10P", p);
-  __builtin_os_log_format(buf, @"%.*P", p); // expected-warning {{field precision should have type 'int', but argument has type 'void *'}}
-  __builtin_os_log_format(buf, @"%.*P", i, p);
-  __builtin_os_log_format(buf, @"%.*P", i, i); // expected-warning {{format specifies type 'void *' but the argument has type 'int'}}
-
-  __builtin_os_log_format(buf, @"%{private}s", pc);
-  __builtin_os_log_format(buf, @"%@", nss);
-}
-
-// Test the os_log format attribute.
-void MyOSLog(const char *format, ...) __attribute__((format(os_log, 1, 2)));
-void test_attribute(void *p) {
-  MyOSLog("%s\n", "Hello");
-  MyOSLog("%d");    // expected-warning {{more '%' conversions than data arguments}}
-  MyOSLog("%P", p); // expected-warning {{using '%P' format specifier without precision}}
-}




More information about the cfe-commits mailing list