Vendor import of llvm trunk r154661:

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

4 files changed, 45 insertions, 22 deletions

diff --git a/lib/Archive/ArchiveReader.cpp b/lib/Archive/ArchiveReader.cpp
index eef6fe0..68873e2 100644
--- a/lib/Archive/ArchiveReader.cpp
+++ b/lib/Archive/ArchiveReader.cpp
@@ -12,9 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "ArchiveInternals.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Module.h"
+#include <cstdio>
 #include <cstdlib>
 #include <memory>
 using namespace llvm;
@@ -504,7 +506,7 @@ Archive::findModuleDefiningSymbol(const std::string& symbol,
 // Modules that define those symbols.
 bool
 Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
-                                    std::set<Module*>& result,
+                                    SmallVectorImpl<Module*>& result,
                                     std::string* error) {
   if (!mapfile || !base) {
     if (error)
@@ -569,21 +571,26 @@ Archive::findModulesDefiningSymbols(std::set<std::string>& symbols,
   // At this point we have a valid symbol table (one way or another) so we
   // just use it to quickly find the symbols requested.
 
+  SmallPtrSet<Module*, 16> Added;
   for (std::set<std::string>::iterator I=symbols.begin(),
-       E=symbols.end(); I != E;) {
+         Next = I,
+         E=symbols.end(); I != E; I = Next) {
+    // Increment Next before we invalidate it.
+    ++Next;
+
     // See if this symbol exists
     Module* m = findModuleDefiningSymbol(*I,error);
-    if (m) {
-      // The symbol exists, insert the Module into our result, duplicates will
-      // be ignored.
-      result.insert(m);
-
-      // Remove the symbol now that its been resolved, being careful to
-      // post-increment the iterator.
-      symbols.erase(I++);
-    } else {
-      ++I;
-    }
+    if (!m)
+      continue;
+    bool NewMember = Added.insert(m);
+    if (!NewMember)
+      continue;
+
+    // The symbol exists, insert the Module into our result.
+    result.push_back(m);
+
+    // Remove the symbol now that its been resolved.
+    symbols.erase(I);
   }
   return true;
 }
diff --git a/lib/Archive/ArchiveWriter.cpp b/lib/Archive/ArchiveWriter.cpp
index 8fcc7aa..9ef2943 100644
--- a/lib/Archive/ArchiveWriter.cpp
+++ b/lib/Archive/ArchiveWriter.cpp
@@ -182,11 +182,11 @@ Archive::addFileBefore(const sys::Path& filePath, iterator where,
   if (hasSlash || filePath.str().length() > 15)
     flags |= ArchiveMember::HasLongFilenameFlag;
 
-  sys::LLVMFileType type;
+  sys::fs::file_magic type;
   if (sys::fs::identify_magic(mbr->path.str(), type))
-    type = sys::Unknown_FileType;
+    type = sys::fs::file_magic::unknown;
   switch (type) {
-    case sys::Bitcode_FileType:
+    case sys::fs::file_magic::bitcode:
       flags |= ArchiveMember::BitcodeFlag;
       break;
     default:
diff --git a/lib/Archive/CMakeLists.txt b/lib/Archive/CMakeLists.txt
index b52974e..7ff478a 100644
--- a/lib/Archive/CMakeLists.txt
+++ b/lib/Archive/CMakeLists.txt
@@ -3,9 +3,3 @@ add_llvm_library(LLVMArchive
   ArchiveReader.cpp
   ArchiveWriter.cpp
   )
-
-add_llvm_library_dependencies(LLVMArchive
-  LLVMBitReader
-  LLVMCore
-  LLVMSupport
-  )
diff --git a/lib/Archive/LLVMBuild.txt b/lib/Archive/LLVMBuild.txt
new file mode 100644
index 0000000..d68550b
--- /dev/null
+++ b/lib/Archive/LLVMBuild.txt
@@ -0,0 +1,22 @@
+;===- ./lib/Archive/LLVMBuild.txt ------------------------------*- Conf -*--===;
+;
+;                     The LLVM Compiler Infrastructure
+;
+; This file is distributed under the University of Illinois Open Source
+; License. See LICENSE.TXT for details.
+;
+;===------------------------------------------------------------------------===;
+;
+; This is an LLVMBuild description file for the components in this subdirectory.
+;
+; For more information on the LLVMBuild system, please see:
+;
+;   http://llvm.org/docs/LLVMBuild.html
+;
+;===------------------------------------------------------------------------===;
+
+[component_0]
+type = Library
+name = Archive
+parent = Libraries
+required_libraries = BitReader Core Support