r215731 - Move some code into a helper function. NFC.

[Rafael Espindola]

Author: rafael
Date: Fri Aug 15 12:14:35 2014
New Revision: 215731

URL: http://llvm.org/viewvc/llvm-project?rev=215731&view=rev
Log:
Move some code into a helper function. NFC.

Modified:
    cfe/trunk/lib/Driver/Tools.cpp

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=215731&r1=215730&r2=215731&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Fri Aug 15 12:14:35 2014
@@ -7257,6 +7257,53 @@ static void AddRunTimeLibs(const ToolCha
   }
 }
 
+static const char *getLDMOption(const llvm::Triple &T, const ArgList &Args) {
+  switch (T.getArch()) {
+  case llvm::Triple::x86:
+    return "elf_i386";
+  case llvm::Triple::aarch64:
+    return "aarch64linux";
+  case llvm::Triple::aarch64_be:
+    return "aarch64_be_linux";
+  case llvm::Triple::arm:
+  case llvm::Triple::thumb:
+    return "armelf_linux_eabi";
+  case llvm::Triple::armeb:
+  case llvm::Triple::thumbeb:
+    return "armebelf_linux_eabi"; /* TODO: check which NAME.  */
+  case llvm::Triple::ppc:
+    return "elf32ppclinux";
+  case llvm::Triple::ppc64:
+    return "elf64ppc";
+  case llvm::Triple::ppc64le:
+    return "elf64lppc";
+  case llvm::Triple::sparc:
+    return "elf32_sparc";
+  case llvm::Triple::sparcv9:
+    return "elf64_sparc";
+  case llvm::Triple::mips:
+    return "elf32btsmip";
+  case llvm::Triple::mipsel:
+    return "elf32ltsmip";
+  case llvm::Triple::mips64:
+    if (mips::hasMipsAbiArg(Args, "n32"))
+      return "elf32btsmipn32";
+    return "elf64btsmip";
+  case llvm::Triple::mips64el:
+    if (mips::hasMipsAbiArg(Args, "n32"))
+      return "elf32ltsmipn32";
+    return "elf64ltsmip";
+  case llvm::Triple::systemz:
+    return "elf64_s390";
+  case llvm::Triple::x86_64:
+    if (T.getEnvironment() == llvm::Triple::GNUX32)
+      return "elf32_x86_64";
+    return "elf_x86_64";
+  default:
+    llvm_unreachable("Unexpected arch");
+  }
+}
+
 void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA,
                                   const InputInfo &Output,
                                   const InputInfoList &Inputs,
@@ -7306,51 +7353,7 @@ void gnutools::Link::ConstructJob(Compil
   }
 
   CmdArgs.push_back("-m");
-  if (ToolChain.getArch() == llvm::Triple::x86)
-    CmdArgs.push_back("elf_i386");
-  else if (ToolChain.getArch() == llvm::Triple::aarch64)
-    CmdArgs.push_back("aarch64linux");
-  else if (ToolChain.getArch() == llvm::Triple::aarch64_be)
-    CmdArgs.push_back("aarch64_be_linux");
-  else if (ToolChain.getArch() == llvm::Triple::arm
-           ||  ToolChain.getArch() == llvm::Triple::thumb)
-    CmdArgs.push_back("armelf_linux_eabi");
-  else if (ToolChain.getArch() == llvm::Triple::armeb
-           ||  ToolChain.getArch() == llvm::Triple::thumbeb)
-    CmdArgs.push_back("armebelf_linux_eabi"); /* TODO: check which NAME.  */
-  else if (ToolChain.getArch() == llvm::Triple::ppc)
-    CmdArgs.push_back("elf32ppclinux");
-  else if (ToolChain.getArch() == llvm::Triple::ppc64)
-    CmdArgs.push_back("elf64ppc");
-  else if (ToolChain.getArch() == llvm::Triple::ppc64le)
-    CmdArgs.push_back("elf64lppc");
-  else if (ToolChain.getArch() == llvm::Triple::sparc)
-    CmdArgs.push_back("elf32_sparc");
-  else if (ToolChain.getArch() == llvm::Triple::sparcv9)
-    CmdArgs.push_back("elf64_sparc");
-  else if (ToolChain.getArch() == llvm::Triple::mips)
-    CmdArgs.push_back("elf32btsmip");
-  else if (ToolChain.getArch() == llvm::Triple::mipsel)
-    CmdArgs.push_back("elf32ltsmip");
-  else if (ToolChain.getArch() == llvm::Triple::mips64) {
-    if (mips::hasMipsAbiArg(Args, "n32"))
-      CmdArgs.push_back("elf32btsmipn32");
-    else
-      CmdArgs.push_back("elf64btsmip");
-  }
-  else if (ToolChain.getArch() == llvm::Triple::mips64el) {
-    if (mips::hasMipsAbiArg(Args, "n32"))
-      CmdArgs.push_back("elf32ltsmipn32");
-    else
-      CmdArgs.push_back("elf64ltsmip");
-  }
-  else if (ToolChain.getArch() == llvm::Triple::systemz)
-    CmdArgs.push_back("elf64_s390");
-  else if (ToolChain.getArch() == llvm::Triple::x86_64 &&
-           ToolChain.getTriple().getEnvironment() == llvm::Triple::GNUX32)
-    CmdArgs.push_back("elf32_x86_64");
-  else
-    CmdArgs.push_back("elf_x86_64");
+  CmdArgs.push_back(getLDMOption(ToolChain.getTriple(), Args));
 
   if (Args.hasArg(options::OPT_static)) {
     if (ToolChain.getArch() == llvm::Triple::arm ||