From f74703a44f2b3c765bfa57287cca4ac620c76188 Mon Sep 17 00:00:00 2001
From: Douglas Katzman <dougk@google.com>
Date: Wed, 29 Apr 2015 19:15:08 +0000
Subject: [PATCH] New architecture name - 'sparcel' for Sparc little-endian.

Differential Revision: http://reviews.llvm.org/D9263

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236139 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/Triple.h    |  1 +
 lib/Support/Triple.cpp       |  6 ++++++
 unittests/ADT/TripleTest.cpp | 20 ++++++++++++++++++++
 3 files changed, 27 insertions(+)

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index 5fda7751a5e..18addc48022 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -64,6 +64,7 @@ public:
     amdgcn,     // AMDGCN: AMD GCN GPUs
     sparc,      // Sparc: sparc
     sparcv9,    // Sparcv9: Sparcv9
+    sparcel,    // Sparc: (endianness = little). NB: 'Sparcle' is a CPU variant
     systemz,    // SystemZ: s390x
     tce,        // TCE (http://tce.cs.tut.fi/): tce
     thumb,      // Thumb (little endian): thumb, thumbv.*
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 5b43eccb1e7..f96c5fd9ce1 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -37,6 +37,7 @@ const char *Triple::getArchTypeName(ArchType Kind) {
   case amdgcn:      return "amdgcn";
   case sparc:       return "sparc";
   case sparcv9:     return "sparcv9";
+  case sparcel:     return "sparcel";
   case systemz:     return "s390x";
   case tce:         return "tce";
   case thumb:       return "thumb";
@@ -90,6 +91,7 @@ const char *Triple::getArchTypePrefix(ArchType Kind) {
   case bpf:         return "bpf";
 
   case sparcv9:
+  case sparcel:
   case sparc:       return "sparc";
 
   case systemz:     return "s390";
@@ -312,6 +314,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("hexagon", Triple::hexagon)
     .Case("s390x", Triple::systemz)
     .Case("sparc", Triple::sparc)
+    .Case("sparcel", Triple::sparcel)
     .Cases("sparcv9", "sparc64", Triple::sparcv9)
     .Case("tce", Triple::tce)
     .Case("xcore", Triple::xcore)
@@ -918,6 +921,7 @@ static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
   case llvm::Triple::ppc:
   case llvm::Triple::r600:
   case llvm::Triple::sparc:
+  case llvm::Triple::sparcel:
   case llvm::Triple::tce:
   case llvm::Triple::thumb:
   case llvm::Triple::thumbeb:
@@ -990,6 +994,7 @@ Triple Triple::get32BitArchVariant() const {
   case Triple::ppc:
   case Triple::r600:
   case Triple::sparc:
+  case Triple::sparcel:
   case Triple::tce:
   case Triple::thumb:
   case Triple::thumbeb:
@@ -1026,6 +1031,7 @@ Triple Triple::get64BitArchVariant() const {
   case Triple::thumb:
   case Triple::thumbeb:
   case Triple::xcore:
+  case Triple::sparcel:
     T.setArch(UnknownArch);
     break;
 
diff --git a/unittests/ADT/TripleTest.cpp b/unittests/ADT/TripleTest.cpp
index 1113bb60dc4..30f2f3bf7ba 100644
--- a/unittests/ADT/TripleTest.cpp
+++ b/unittests/ADT/TripleTest.cpp
@@ -149,6 +149,11 @@ TEST(TripleTest, ParsedIDs) {
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
   EXPECT_EQ(Triple::UnknownOS, T.getOS());
 
+  T = Triple("sparcel-unknown-unknown");
+  EXPECT_EQ(Triple::sparcel, T.getArch());
+  EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
+  EXPECT_EQ(Triple::UnknownOS, T.getOS());
+
   T = Triple("spir-unknown-unknown");
   EXPECT_EQ(Triple::spir, T.getArch());
   EXPECT_EQ(Triple::UnknownVendor, T.getVendor());
@@ -407,6 +412,21 @@ TEST(TripleTest, BitWidthPredicates) {
   EXPECT_FALSE(T.isArch16Bit());
   EXPECT_FALSE(T.isArch32Bit());
   EXPECT_TRUE(T.isArch64Bit());
+
+  T.setArch(Triple::sparc);
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
+
+  T.setArch(Triple::sparcel);
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_TRUE(T.isArch32Bit());
+  EXPECT_FALSE(T.isArch64Bit());
+
+  T.setArch(Triple::sparcv9);
+  EXPECT_FALSE(T.isArch16Bit());
+  EXPECT_FALSE(T.isArch32Bit());
+  EXPECT_TRUE(T.isArch64Bit());
 }
 
 TEST(TripleTest, BitWidthArchVariants) {
-- 
2.34.1