Add amdopencl environment to triple

This is used by the AMD x86 OpenCL implementation
to change some ABI details on Windows and Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243627 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ADT/Triple.h

@@ -170,7 +170,8 @@ public:
     MSVC,
     Itanium,
     Cygnus,
-    LastEnvironmentType = Cygnus
+    AMDOpenCL,
+    LastEnvironmentType = AMDOpenCL
   };
   enum ObjectFormatType {
     UnknownObjectFormat,

lib/Support/Triple.cpp

@@ -196,6 +196,7 @@ const char *Triple::getEnvironmentTypeName(EnvironmentType Kind) {
   case MSVC: return "msvc";
   case Itanium: return "itanium";
   case Cygnus: return "cygnus";
+  case AMDOpenCL: return "amdopencl";
   }
 
   llvm_unreachable("Invalid EnvironmentType!");
@@ -430,6 +431,7 @@ static Triple::EnvironmentType parseEnvironment(StringRef EnvironmentName) {
     .StartsWith("msvc", Triple::MSVC)
     .StartsWith("itanium", Triple::Itanium)
     .StartsWith("cygnus", Triple::Cygnus)
+    .StartsWith("amdopencl", Triple::AMDOpenCL)
     .Default(Triple::UnknownEnvironment);
 }
 

unittests/ADT/TripleTest.cpp

@@ -354,6 +354,8 @@ TEST(TripleTest, MutateName) {
   EXPECT_EQ(Triple::Darwin, T.getOS());
   EXPECT_EQ("i386-pc-darwin", T.getTriple());
 
+  T.setEnvironmentName("amdopencl");
+  EXPECT_EQ(Triple::AMDOpenCL, T.getEnvironment());
 }
 
 TEST(TripleTest, BitWidthPredicates) {