From 5223ff81f5a4d7df1d8a00895667d3e6f3826658 Mon Sep 17 00:00:00 2001
From: JF Bastien <jfb@google.com>
Date: Fri, 12 Sep 2014 17:54:17 +0000
Subject: [PATCH] Add support for le64.

Summary:
le64 is a generic little-endian 64-bit processor, mimicking le32.

Depends on D5318.

Test Plan: make check-all

Reviewers: dschuff

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D5319

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217697 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ADT/Triple.h |  1 +
 lib/Support/Triple.cpp    | 11 +++++++++--
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/llvm/ADT/Triple.h b/include/llvm/ADT/Triple.h
index f69ed74ad29..df03e847b93 100644
--- a/include/llvm/ADT/Triple.h
+++ b/include/llvm/ADT/Triple.h
@@ -72,6 +72,7 @@ public:
     nvptx,      // NVPTX: 32-bit
     nvptx64,    // NVPTX: 64-bit
     le32,       // le32: generic little-endian 32-bit CPU (PNaCl / Emscripten)
+    le64,       // le64: generic little-endian 64-bit CPU (PNaCl / Emscripten)
     amdil,      // amdil: amd IL
     spir,       // SPIR: standard portable IR for OpenCL 32-bit version
     spir64,     // SPIR: standard portable IR for OpenCL 64-bit version
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 8406daf489d..72cc2a8eb9a 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -45,6 +45,7 @@ const char *Triple::getArchTypeName(ArchType Kind) {
   case nvptx:       return "nvptx";
   case nvptx64:     return "nvptx64";
   case le32:        return "le32";
+  case le64:        return "le64";
   case amdil:       return "amdil";
   case spir:        return "spir";
   case spir64:      return "spir64";
@@ -94,6 +95,7 @@ const char *Triple::getArchTypePrefix(ArchType Kind) {
   case nvptx64:     return "nvptx";
 
   case le32:        return "le32";
+  case le64:        return "le64";
   case amdil:       return "amdil";
   case spir:        return "spir";
   case spir64:      return "spir";
@@ -200,6 +202,7 @@ Triple::ArchType Triple::getArchTypeForLLVMName(StringRef Name) {
     .Case("nvptx", nvptx)
     .Case("nvptx64", nvptx64)
     .Case("le32", le32)
+    .Case("le64", le64)
     .Case("amdil", amdil)
     .Case("spir", spir)
     .Case("spir64", spir64)
@@ -244,6 +247,7 @@ static Triple::ArchType parseArch(StringRef ArchName) {
     .Case("nvptx", Triple::nvptx)
     .Case("nvptx64", Triple::nvptx64)
     .Case("le32", Triple::le32)
+    .Case("le64", Triple::le64)
     .Case("amdil", Triple::amdil)
     .Case("spir", Triple::spir)
     .Case("spir64", Triple::spir64)
@@ -807,6 +811,7 @@ static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
 
   case llvm::Triple::aarch64:
   case llvm::Triple::aarch64_be:
+  case llvm::Triple::le64:
   case llvm::Triple::mips64:
   case llvm::Triple::mips64el:
   case llvm::Triple::nvptx64:
@@ -866,6 +871,7 @@ Triple Triple::get32BitArchVariant() const {
     // Already 32-bit.
     break;
 
+  case Triple::le64:      T.setArch(Triple::le32);    break;
   case Triple::mips64:    T.setArch(Triple::mips);    break;
   case Triple::mips64el:  T.setArch(Triple::mipsel);  break;
   case Triple::nvptx64:   T.setArch(Triple::nvptx);   break;
@@ -886,7 +892,6 @@ Triple Triple::get64BitArchVariant() const {
   case Triple::armeb:
   case Triple::hexagon:
   case Triple::kalimba:
-  case Triple::le32:
   case Triple::msp430:
   case Triple::r600:
   case Triple::tce:
@@ -898,18 +903,20 @@ Triple Triple::get64BitArchVariant() const {
 
   case Triple::aarch64:
   case Triple::aarch64_be:
-  case Triple::spir64:
+  case Triple::le64:
   case Triple::mips64:
   case Triple::mips64el:
   case Triple::nvptx64:
   case Triple::ppc64:
   case Triple::ppc64le:
   case Triple::sparcv9:
+  case Triple::spir64:
   case Triple::systemz:
   case Triple::x86_64:
     // Already 64-bit.
     break;
 
+  case Triple::le32:    T.setArch(Triple::le64);      break;
   case Triple::mips:    T.setArch(Triple::mips64);    break;
   case Triple::mipsel:  T.setArch(Triple::mips64el);  break;
   case Triple::nvptx:   T.setArch(Triple::nvptx64);   break;
-- 
2.34.1