[Triple] Define OS Check for Haiku

This adds the OS check for the Haiku operating system, as it was
missing in the Triple class. Tests for x86_64-unknown-haiku and
i586-pc-haiku were also added.

These patches only affect Haiku and are completely harmless for
other platforms.

Patch by Calvin Hill <calvin@hakobaito.co.uk>

llvm-svn: 311153

1 files changed, 12 insertions, 0 deletions

diff --git a/llvm/unittests/ADT/TripleTest.cpp b/llvm/unittests/ADT/TripleTest.cpp
index 16732c9578d..c16a332de0a 100644
--- a/llvm/unittests/ADT/TripleTest.cpp
+++ b/llvm/unittests/ADT/TripleTest.cpp
@@ -296,6 +296,18 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::Linux, T.getOS());
   EXPECT_EQ(Triple::GNUEABI, T.getEnvironment());
 
+  T = Triple("i586-pc-haiku");
+  EXPECT_EQ(Triple::x86, T.getArch());
+  EXPECT_EQ(Triple::PC, T.getVendor());
+  EXPECT_EQ(Triple::Haiku, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
+  T = Triple("x86_64-unknown-haiku");
+  EXPECT_EQ(Triple::x86_64, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::Haiku, T.getOS());
+  EXPECT_EQ(Triple::UnknownEnvironment, T.getEnvironment());
+
   T = Triple("huh");
   EXPECT_EQ(Triple::UnknownArch, T.getArch());
 }