From e13e3bbf3d31b755050c62c0c66cc53cab498670 Mon Sep 17 00:00:00 2001
From: Joerg Sonnenberger <joerg@bec.de>
Date: Mon, 16 Dec 2013 19:16:04 +0000
Subject: [PATCH] Support EABIHF environment on ARM.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@197406 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/TargetInfo.cpp | 13 ++++++++++++-
 lib/Driver/Tools.cpp       |  4 ++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index 7879207a2c..6b756457e8 100644
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -3074,6 +3074,7 @@ public:
     switch (getTarget().getTriple().getEnvironment()) {
     case llvm::Triple::Android:
     case llvm::Triple::EABI:
+    case llvm::Triple::EABIHF:
     case llvm::Triple::GNUEABI:
     case llvm::Triple::GNUEABIHF:
       return true;
@@ -3082,6 +3083,16 @@ public:
     }
   }
 
+  bool isEABIHF() const {
+    switch (getTarget().getTriple().getEnvironment()) {
+    case llvm::Triple::EABIHF:
+    case llvm::Triple::GNUEABIHF:
+      return true;
+    default:
+      return false;
+    }
+  }
+
   ABIKind getABIKind() const { return Kind; }
 
 private:
@@ -3215,7 +3226,7 @@ void ARMABIInfo::computeInfo(CGFunctionInfo &FI) const {
 /// Return the default calling convention that LLVM will use.
 llvm::CallingConv::ID ARMABIInfo::getLLVMDefaultCC() const {
   // The default calling convention that LLVM will infer.
-  if (getTarget().getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
+  if (isEABIHF())
     return llvm::CallingConv::ARM_AAPCS_VFP;
   else if (isEABI())
     return llvm::CallingConv::ARM_AAPCS;
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index d32a422adb..bd0d864ed7 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -652,6 +652,9 @@ StringRef tools::arm::getARMFloatABI(const Driver &D, const ArgList &Args,
       case llvm::Triple::GNUEABI:
         FloatABI = "softfp";
         break;
+      case llvm::Triple::EABIHF:
+        FloatABI = "hard";
+        break;
       case llvm::Triple::EABI:
         // EABI is always AAPCS, and if it was not marked 'hard', it's softfp
         FloatABI = "softfp";
@@ -757,6 +760,7 @@ void Clang::AddARMTargetArgs(const ArgList &Args,
     case llvm::Triple::GNUEABIHF:
       ABIName = "aapcs-linux";
       break;
+    case llvm::Triple::EABIHF:
     case llvm::Triple::EABI:
       ABIName = "aapcs";
       break;
-- 
2.40.0