Update llvm to trunk r256633.

4 files changed, 59 insertions, 30 deletions

diff --git a/contrib/llvm/lib/Option/Arg.cpp b/contrib/llvm/lib/Option/Arg.cpp
index ac00073..c3de2d1 100644
--- a/contrib/llvm/lib/Option/Arg.cpp
+++ b/contrib/llvm/lib/Option/Arg.cpp
@@ -13,6 +13,7 @@
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/Option.h"
 #include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Debug.h"
 
 using namespace llvm;
 using namespace llvm::opt;
@@ -43,23 +44,25 @@ Arg::~Arg() {
   }
 }
 
-void Arg::dump() const {
-  llvm::errs() << "<";
+void Arg::print(raw_ostream& O) const {
+  O << "<";
 
-  llvm::errs() << " Opt:";
-  Opt.dump();
+  O << " Opt:";
+  Opt.print(O);
 
-  llvm::errs() << " Index:" << Index;
+  O << " Index:" << Index;
 
-  llvm::errs() << " Values: [";
+  O << " Values: [";
   for (unsigned i = 0, e = Values.size(); i != e; ++i) {
-    if (i) llvm::errs() << ", ";
-    llvm::errs() << "'" << Values[i] << "'";
+    if (i) O << ", ";
+    O << "'" << Values[i] << "'";
   }
 
-  llvm::errs() << "]>\n";
+  O << "]>\n";
 }
 
+LLVM_DUMP_METHOD void Arg::dump() const { print(dbgs()); }
+
 std::string Arg::getAsString(const ArgList &Args) const {
   SmallString<256> Res;
   llvm::raw_svector_ostream OS(Res);
diff --git a/contrib/llvm/lib/Option/ArgList.cpp b/contrib/llvm/lib/Option/ArgList.cpp
index a74ead6..0826ef8 100644
--- a/contrib/llvm/lib/Option/ArgList.cpp
+++ b/contrib/llvm/lib/Option/ArgList.cpp
@@ -13,6 +13,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/Option.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
@@ -258,6 +259,21 @@ void ArgList::AddLastArg(ArgStringList &Output, OptSpecifier Id0,
   }
 }
 
+void ArgList::AddAllArgs(ArgStringList &Output,
+                         ArrayRef<OptSpecifier> Ids) const {
+  for (const Arg *Arg : Args) {
+    for (OptSpecifier Id : Ids) {
+      if (Arg->getOption().matches(Id)) {
+        Arg->claim();
+        Arg->render(*this, Output);
+        break;
+      }
+    }
+  }
+}
+
+/// This 3-opt variant of AddAllArgs could be eliminated in favor of one
+/// that accepts a single specifier, given the above which accepts any number.
 void ArgList::AddAllArgs(ArgStringList &Output, OptSpecifier Id0,
                          OptSpecifier Id1, OptSpecifier Id2) const {
   for (auto Arg: filtered(Id0, Id1, Id2)) {
@@ -313,6 +329,15 @@ const char *ArgList::GetOrMakeJoinedArgString(unsigned Index,
   return MakeArgString(LHS + RHS);
 }
 
+void ArgList::print(raw_ostream &O) const {
+  for (Arg *A : *this) {
+    O << "* ";
+    A->print(O);
+  }
+}
+
+LLVM_DUMP_METHOD void ArgList::dump() const { print(dbgs()); }
+
 //
 
 void InputArgList::releaseMemory() {
diff --git a/contrib/llvm/lib/Option/OptTable.cpp b/contrib/llvm/lib/Option/OptTable.cpp
index e83536f..09d4ceb 100644
--- a/contrib/llvm/lib/Option/OptTable.cpp
+++ b/contrib/llvm/lib/Option/OptTable.cpp
@@ -84,11 +84,9 @@ static inline bool operator<(const OptTable::Info &I, const char *Name) {
 
 OptSpecifier::OptSpecifier(const Option *Opt) : ID(Opt->getID()) {}
 
-OptTable::OptTable(const Info *OptionInfos, unsigned NumOptionInfos,
-                   bool IgnoreCase)
-    : OptionInfos(OptionInfos), NumOptionInfos(NumOptionInfos),
-      IgnoreCase(IgnoreCase), TheInputOptionID(0), TheUnknownOptionID(0),
-      FirstSearchableIndex(0) {
+OptTable::OptTable(ArrayRef<Info> OptionInfos, bool IgnoreCase)
+    : OptionInfos(OptionInfos), IgnoreCase(IgnoreCase), TheInputOptionID(0),
+      TheUnknownOptionID(0), FirstSearchableIndex(0) {
   // Explicitly zero initialize the error to work around a bug in array
   // value-initialization on MinGW with gcc 4.3.5.
 
@@ -199,8 +197,8 @@ Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index,
   if (isInput(PrefixesUnion, Str))
     return new Arg(getOption(TheInputOptionID), Str, Index++, Str);
 
-  const Info *Start = OptionInfos + FirstSearchableIndex;
-  const Info *End = OptionInfos + getNumOptions();
+  const Info *Start = OptionInfos.begin() + FirstSearchableIndex;
+  const Info *End = OptionInfos.end();
   StringRef Name = StringRef(Str).ltrim(PrefixChars);
 
   // Search for the first next option which could be a prefix.
diff --git a/contrib/llvm/lib/Option/Option.cpp b/contrib/llvm/lib/Option/Option.cpp
index 221414d..ebf05aa 100644
--- a/contrib/llvm/lib/Option/Option.cpp
+++ b/contrib/llvm/lib/Option/Option.cpp
@@ -11,6 +11,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Option/Arg.h"
 #include "llvm/Option/ArgList.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
@@ -35,10 +36,10 @@ Option::Option(const OptTable::Info *info, const OptTable *owner)
   }
 }
 
-void Option::dump() const {
-  llvm::errs() << "<";
+void Option::print(raw_ostream &O) const {
+  O << "<";
   switch (getKind()) {
-#define P(N) case N: llvm::errs() << #N; break
+#define P(N) case N: O << #N; break
     P(GroupClass);
     P(InputClass);
     P(UnknownClass);
@@ -54,33 +55,35 @@ void Option::dump() const {
   }
 
   if (Info->Prefixes) {
-    llvm::errs() << " Prefixes:[";
-    for (const char * const *Pre = Info->Prefixes; *Pre != nullptr; ++Pre) {
-      llvm::errs() << '"' << *Pre << (*(Pre + 1) == nullptr ? "\"" : "\", ");
+    O << " Prefixes:[";
+    for (const char *const *Pre = Info->Prefixes; *Pre != nullptr; ++Pre) {
+      O << '"' << *Pre << (*(Pre + 1) == nullptr ? "\"" : "\", ");
     }
-    llvm::errs() << ']';
+    O << ']';
   }
 
-  llvm::errs() << " Name:\"" << getName() << '"';
+  O << " Name:\"" << getName() << '"';
 
   const Option Group = getGroup();
   if (Group.isValid()) {
-    llvm::errs() << " Group:";
-    Group.dump();
+    O << " Group:";
+    Group.print(O);
   }
 
   const Option Alias = getAlias();
   if (Alias.isValid()) {
-    llvm::errs() << " Alias:";
-    Alias.dump();
+    O << " Alias:";
+    Alias.print(O);
   }
 
   if (getKind() == MultiArgClass)
-    llvm::errs() << " NumArgs:" << getNumArgs();
+    O << " NumArgs:" << getNumArgs();
 
-  llvm::errs() << ">\n";
+  O << ">\n";
 }
 
+void Option::dump() const { print(dbgs()); }
+
 bool Option::matches(OptSpecifier Opt) const {
   // Aliases are never considered in matching, look through them.
   const Option Alias = getAlias();