Add CodeGenOptions::{SoftFloat,FloatABI}, and update the all the (far too many) places to use this instead of using the backend -soft-float and -float-abi= options.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90127 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/CC1Options.cpp b/lib/Driver/CC1Options.cpp
index e5bbfbb..6b629f1 100644
--- a/lib/Driver/CC1Options.cpp
+++ b/lib/Driver/CC1Options.cpp
@@ -184,8 +184,10 @@
   Opts.CodeModel = getLastArgValue(Args, OPT_mcode_model);
   Opts.DebugPass = getLastArgValue(Args, OPT_mdebug_pass);
   Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
+  Opts.FloatABI = getLastArgValue(Args, OPT_mfloat_abi);
   Opts.LimitFloatPrecision = getLastArgValue(Args, OPT_mlimit_float_precision);
   Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
+  Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
   Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
   Opts.RelocationModel = getLastArgValue(Args, OPT_mrelocation_model, "pic");
 
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 98ec5d6..eb165cf 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -418,15 +418,15 @@
     // Floating point operations and argument passing are soft.
     //
     // FIXME: This changes CPP defines, we need -target-soft-float.
-    CmdArgs.push_back("-soft-float");
-    CmdArgs.push_back("-float-abi=soft");
+    CmdArgs.push_back("-msoft-float");
+    CmdArgs.push_back("-mfloat-abi=soft");
   } else if (FloatABI == "softfp") {
     // Floating point operations are hard, but argument passing is soft.
-    CmdArgs.push_back("-float-abi=soft");
+    CmdArgs.push_back("-mfloat-abi=soft");
   } else {
     // Floating point operations and argument passing are hard.
     assert(FloatABI == "hard" && "Invalid float abi!");
-    CmdArgs.push_back("-float-abi=hard");
+    CmdArgs.push_back("-mfloat-abi=hard");
   }
 }
 
diff --git a/lib/Frontend/Backend.cpp b/lib/Frontend/Backend.cpp
index 31c6c50..9dc109d 100644
--- a/lib/Frontend/Backend.cpp
+++ b/lib/Frontend/Backend.cpp
@@ -231,12 +231,18 @@
     }
     if (CodeGenOpts.DisableFPElim)
       BackendArgs.push_back("-disable-fp-elim");
+    if (!CodeGenOpts.FloatABI.empty()) {
+      BackendArgs.push_back("-float-abi");
+      BackendArgs.push_back(CodeGenOpts.FloatABI.c_str());
+    }
     if (!CodeGenOpts.LimitFloatPrecision.empty()) {
       BackendArgs.push_back("-limit-float-precision");
       BackendArgs.push_back(CodeGenOpts.LimitFloatPrecision.c_str());
     }
     if (CodeGenOpts.NoZeroInitializedInBSS)
       BackendArgs.push_back("-nozero-initialized-in-bss");
+    if (CodeGenOpts.SoftFloat)
+      BackendArgs.push_back("-soft-float");
     BackendArgs.push_back("-relocation-model");
     BackendArgs.push_back(CodeGenOpts.RelocationModel.c_str());
     if (llvm::TimePassesIsEnabled)
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 488eeac..7b37db5 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -134,12 +134,18 @@
   }
   if (Opts.DisableFPElim)
     Res.push_back("-mdisable-fp-elim");
+  if (!Opts.FloatABI.empty()) {
+    Res.push_back("-mfloat-abi");
+    Res.push_back(Opts.FloatABI);
+  }
   if (!Opts.LimitFloatPrecision.empty()) {
     Res.push_back("-mlimit-float-precision");
     Res.push_back(Opts.LimitFloatPrecision);
   }
   if (Opts.NoZeroInitializedInBSS)
     Res.push_back("-mno-zero-initialized-bss");
+  if (Opts.SoftFloat)
+    Res.push_back("-msoft-float");
   if (Opts.UnwindTables)
     Res.push_back("-munwind-tables");
   if (Opts.RelocationModel != "pic") {