[Nios2] Remove Nios2 backend

As mentioned here http://lists.llvm.org/pipermail/llvm-dev/2019-January/129121.html This backend is incomplete and has not been maintained in several months. Differential Revision: https://reviews.llvm.org/D56690 llvm-svn: 351230
llvm · Jan 15, 2019 · 5589738 · 5589738
1 parent ccb98a6
commit 5589738
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diff --git a/clang/include/clang/Basic/BuiltinsNios2.def b/clang/include/clang/Basic/BuiltinsNios2.def
diff --git a/clang/include/clang/Basic/TargetBuiltins.h b/clang/include/clang/Basic/TargetBuiltins.h
@@ -150,16 +150,6 @@ namespace clang {
     };
   }
 
-  /// Nios2 builtins
-  namespace Nios2 {
-  enum {
-    LastTIBuiltin = clang::Builtin::FirstTSBuiltin - 1,
-#define BUILTIN(ID, TYPE, ATTRS) BI##ID,
-#include "clang/Basic/BuiltinsNios2.def"
-    LastTSBuiltin
-  };
-  }
-
   /// MIPS builtins
   namespace Mips {
     enum {

diff --git a/clang/include/clang/module.modulemap b/clang/include/clang/module.modulemap
@@ -39,7 +39,6 @@ module Clang_Basic {
   textual header "Basic/BuiltinsLe64.def"
   textual header "Basic/BuiltinsMips.def"
   textual header "Basic/BuiltinsNEON.def"
-  textual header "Basic/BuiltinsNios2.def"
   textual header "Basic/BuiltinsNVPTX.def"
   textual header "Basic/BuiltinsPPC.def"
   textual header "Basic/BuiltinsSystemZ.def"

diff --git a/clang/lib/Basic/CMakeLists.txt b/clang/lib/Basic/CMakeLists.txt
@@ -82,7 +82,6 @@ add_clang_library(clangBasic
   Targets/MSP430.cpp
   Targets/Mips.cpp
   Targets/NVPTX.cpp
-  Targets/Nios2.cpp
   Targets/OSTargets.cpp
   Targets/PNaCl.cpp
   Targets/PPC.cpp

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
@@ -26,7 +26,6 @@
 #include "Targets/MSP430.h"
 #include "Targets/Mips.h"
 #include "Targets/NVPTX.h"
-#include "Targets/Nios2.h"
 #include "Targets/OSTargets.h"
 #include "Targets/PNaCl.h"
 #include "Targets/PPC.h"
@@ -247,9 +246,6 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
   case llvm::Triple::msp430:
     return new MSP430TargetInfo(Triple, Opts);
 
-  case llvm::Triple::nios2:
-    return new LinuxTargetInfo<Nios2TargetInfo>(Triple, Opts);
-
   case llvm::Triple::mips:
     switch (os) {
     case llvm::Triple::Linux:

diff --git a/clang/lib/Basic/Targets/Nios2.cpp b/clang/lib/Basic/Targets/Nios2.cpp
diff --git a/clang/lib/Basic/Targets/Nios2.h b/clang/lib/Basic/Targets/Nios2.h
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -220,21 +220,6 @@ static std::string getR600TargetGPU(const ArgList &Args) {
   return "";
 }
 
-static std::string getNios2TargetCPU(const ArgList &Args) {
-  Arg *A = Args.getLastArg(options::OPT_mcpu_EQ);
-  if (!A)
-    A = Args.getLastArg(options::OPT_march_EQ);
-
-  if (!A)
-    return "";
-
-  const char *name = A->getValue();
-  return llvm::StringSwitch<const char *>(name)
-      .Case("r1", "nios2r1")
-      .Case("r2", "nios2r2")
-      .Default(name);
-}
-
 static std::string getLanaiTargetCPU(const ArgList &Args) {
   if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) {
     return A->getValue();
@@ -287,10 +272,6 @@ std::string tools::getCPUName(const ArgList &Args, const llvm::Triple &T,
       return A->getValue();
     return "";
 
-  case llvm::Triple::nios2: {
-    return getNios2TargetCPU(Args);
-  }
-
   case llvm::Triple::mips:
   case llvm::Triple::mipsel:
   case llvm::Triple::mips64:

diff --git a/clang/test/Driver/nios2-cpu.c b/clang/test/Driver/nios2-cpu.c