Rename HostInfo::getToolChain to HostInfo::CreateToolChain, and don't recreate
the default tool chain when binding the default architecture.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Driver.cpp b/lib/Driver/Driver.cpp
index c817cde..f58c882 100644
--- a/lib/Driver/Driver.cpp
+++ b/lib/Driver/Driver.cpp
@@ -207,7 +207,7 @@
   Host = GetHostInfo(HostTriple);
 
   // The compilation takes ownership of Args.
-  Compilation *C = new Compilation(*this, *Host->getToolChain(*Args), Args);
+  Compilation *C = new Compilation(*this, *Host->CreateToolChain(*Args), Args);
 
   // FIXME: This behavior shouldn't be here.
   if (CCCPrintOptions) {
@@ -1017,19 +1017,14 @@
   }
 
   if (const BindArchAction *BAA = dyn_cast<BindArchAction>(A)) {
-    const char *ArchName = BAA->getArchName();
+    const ToolChain *TC = &C.getDefaultToolChain();
+
     std::string Arch;
-    if (!ArchName) {
-      Arch = C.getDefaultToolChain().getArchName();
-      ArchName = Arch.c_str();
-    }
-    BuildJobsForAction(C,
-                       *BAA->begin(),
-                       Host->getToolChain(C.getArgs(), ArchName),
-                       CanAcceptPipe,
-                       AtTopLevel,
-                       LinkingOutput,
-                       Result);
+    if (BAA->getArchName())
+      TC = Host->CreateToolChain(C.getArgs(), BAA->getArchName());
+
+    BuildJobsForAction(C, *BAA->begin(), TC, CanAcceptPipe, AtTopLevel,
+                       LinkingOutput, Result);
     return;
   }
 
diff --git a/lib/Driver/HostInfo.cpp b/lib/Driver/HostInfo.cpp
index a80e08e..bf663eb 100644
--- a/lib/Driver/HostInfo.cpp
+++ b/lib/Driver/HostInfo.cpp
@@ -66,8 +66,8 @@
     return Ty;
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 DarwinHostInfo::DarwinHostInfo(const Driver &D, const llvm::Triple& Triple)
@@ -104,8 +104,8 @@
   return true;
 }
 
-ToolChain *DarwinHostInfo::getToolChain(const ArgList &Args,
-                                        const char *ArchName) const {
+ToolChain *DarwinHostInfo::CreateToolChain(const ArgList &Args,
+                                           const char *ArchName) const {
   std::string Arch;
   if (!ArchName) {
     // If we aren't looking for a specific arch, infer the default architecture
@@ -192,8 +192,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 UnknownHostInfo::UnknownHostInfo(const Driver &D, const llvm::Triple& Triple)
@@ -210,8 +210,8 @@
   return false;
 }
 
-ToolChain *UnknownHostInfo::getToolChain(const ArgList &Args,
-                                         const char *ArchName) const {
+ToolChain *UnknownHostInfo::CreateToolChain(const ArgList &Args,
+                                            const char *ArchName) const {
   assert(!ArchName &&
          "Unexpected arch name on platform without driver driver support.");
 
@@ -259,8 +259,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 OpenBSDHostInfo::~OpenBSDHostInfo() {
@@ -273,8 +273,8 @@
   return false;
 }
 
-ToolChain *OpenBSDHostInfo::getToolChain(const ArgList &Args,
-                                         const char *ArchName) const {
+ToolChain *OpenBSDHostInfo::CreateToolChain(const ArgList &Args,
+                                            const char *ArchName) const {
   assert(!ArchName &&
          "Unexpected arch name on platform without driver driver support.");
 
@@ -310,8 +310,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 AuroraUXHostInfo::~AuroraUXHostInfo() {
@@ -324,8 +324,8 @@
   return false;
 }
 
-ToolChain *AuroraUXHostInfo::getToolChain(const ArgList &Args,
-                                          const char *ArchName) const {
+ToolChain *AuroraUXHostInfo::CreateToolChain(const ArgList &Args,
+                                             const char *ArchName) const {
   assert(!ArchName &&
          "Unexpected arch name on platform without driver driver support.");
 
@@ -359,8 +359,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 FreeBSDHostInfo::~FreeBSDHostInfo() {
@@ -373,8 +373,8 @@
   return false;
 }
 
-ToolChain *FreeBSDHostInfo::getToolChain(const ArgList &Args,
-                                         const char *ArchName) const {
+ToolChain *FreeBSDHostInfo::CreateToolChain(const ArgList &Args,
+                                            const char *ArchName) const {
   bool Lib32 = false;
 
   assert(!ArchName &&
@@ -419,8 +419,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 DragonFlyHostInfo::~DragonFlyHostInfo() {
@@ -433,8 +433,8 @@
   return false;
 }
 
-ToolChain *DragonFlyHostInfo::getToolChain(const ArgList &Args,
-                                           const char *ArchName) const {
+ToolChain *DragonFlyHostInfo::CreateToolChain(const ArgList &Args,
+                                              const char *ArchName) const {
   assert(!ArchName &&
          "Unexpected arch name on platform without driver driver support.");
 
@@ -468,8 +468,8 @@
     return types::lookupTypeForExtension(Ext);
   }
 
-  virtual ToolChain *getToolChain(const ArgList &Args,
-                                  const char *ArchName) const;
+  virtual ToolChain *CreateToolChain(const ArgList &Args,
+                                     const char *ArchName) const;
 };
 
 LinuxHostInfo::~LinuxHostInfo() {
@@ -482,8 +482,8 @@
   return false;
 }
 
-ToolChain *LinuxHostInfo::getToolChain(const ArgList &Args,
-                                       const char *ArchName) const {
+ToolChain *LinuxHostInfo::CreateToolChain(const ArgList &Args,
+                                          const char *ArchName) const {
 
   assert(!ArchName &&
          "Unexpected arch name on platform without driver driver support.");