Add llvm::Triple class for abstracting access to target triples.

 - The code is silly, I'm just amusing myself. Rewrite to be efficient
   if you like. :)

Also, if you wish to debate the proper names of the triple components
I'm all ears.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68252 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 137 insertions, 0 deletions

diff --git a/unittests/ADT/TripleTest.cpp b/unittests/ADT/TripleTest.cpp
new file mode 100644
index 0000000000..771d1c75d9
--- /dev/null
+++ b/unittests/ADT/TripleTest.cpp
@@ -0,0 +1,137 @@
+//===----------- Triple.cpp - Triple unit tests ---------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "gtest/gtest.h"
+#include "llvm/ADT/Triple.h"
+
+using namespace llvm;
+
+namespace {
+
+TEST(TripleTest, BasicParsing) {
+  Triple T;
+
+  T = Triple("");
+  EXPECT_EQ(T.getArchName(), "");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("-");
+  EXPECT_EQ(T.getArchName(), "");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("--");
+  EXPECT_EQ(T.getArchName(), "");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("---");
+  EXPECT_EQ(T.getArchName(), "");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("----");
+  EXPECT_EQ(T.getArchName(), "");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "-");
+
+  T = Triple("a");
+  EXPECT_EQ(T.getArchName(), "a");
+  EXPECT_EQ(T.getVendorName(), "");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("a-b");
+  EXPECT_EQ(T.getArchName(), "a");
+  EXPECT_EQ(T.getVendorName(), "b");
+  EXPECT_EQ(T.getOSName(), "");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("a-b-c");
+  EXPECT_EQ(T.getArchName(), "a");
+  EXPECT_EQ(T.getVendorName(), "b");
+  EXPECT_EQ(T.getOSName(), "c");
+  EXPECT_EQ(T.getEnvironmentName(), "");
+
+  T = Triple("a-b-c-d");
+  EXPECT_EQ(T.getArchName(), "a");
+  EXPECT_EQ(T.getVendorName(), "b");
+  EXPECT_EQ(T.getOSName(), "c");
+  EXPECT_EQ(T.getEnvironmentName(), "d");
+}
+
+TEST(TripleTest, ParsedIDs) {
+  Triple T;
+
+  T = Triple("i386-apple-darwin");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::Apple);
+  EXPECT_EQ(T.getOS(), Triple::Darwin);
+
+  T = Triple("x86_64-pc-linux-gnu");
+  EXPECT_EQ(T.getArch(), Triple::x86_64);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getOS(), Triple::Linux);
+
+  T = Triple("powerpc-dunno-notsure");
+  EXPECT_EQ(T.getArch(), Triple::ppc);
+  EXPECT_EQ(T.getVendor(), Triple::UnknownVendor);
+  EXPECT_EQ(T.getOS(), Triple::UnknownOS);
+
+  T = Triple("huh");
+  EXPECT_EQ(T.getArch(), Triple::UnknownArch);
+}
+
+TEST(TripleTest, MutateName) {
+  Triple T;
+  EXPECT_EQ(T.getArch(), Triple::UnknownArch);
+  EXPECT_EQ(T.getVendor(), Triple::UnknownVendor);
+  EXPECT_EQ(T.getOS(), Triple::UnknownOS);
+
+  T.setArchName("i386");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getTriple(), "i386--");
+
+  T.setVendorName("pc");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getTriple(), "i386-pc-");
+
+  T.setOSName("linux");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getOS(), Triple::Linux);
+  EXPECT_EQ(T.getTriple(), "i386-pc-linux");
+
+  T.setEnvironmentName("gnu");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getOS(), Triple::Linux);
+  EXPECT_EQ(T.getTriple(), "i386-pc-linux-gnu");
+
+  T.setOSName("freebsd");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getOS(), Triple::FreeBSD);
+  EXPECT_EQ(T.getTriple(), "i386-pc-freebsd-gnu");
+
+  T.setOSAndEnvironmentName("darwin");
+  EXPECT_EQ(T.getArch(), Triple::x86);
+  EXPECT_EQ(T.getVendor(), Triple::PC);
+  EXPECT_EQ(T.getOS(), Triple::Darwin);
+  EXPECT_EQ(T.getTriple(), "i386-pc-darwin");
+}
+
+}