[PATCH] [PATCH] Add armv8 support to the Clang driver.

[Joey Gouly]

This adds support for passing '-target armv8' to the Clang driver.

http://llvm-reviews.chandlerc.com/D1042

Files:
  lib/Basic/Targets.cpp
  lib/Driver/ToolChain.cpp
  lib/Driver/ToolChains.cpp
  lib/Driver/Tools.cpp
  test/Driver/arch.c

Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -3750,6 +3750,7 @@
       .Case("swift", "7S")
       .Cases("cortex-m3", "cortex-m4", "7M")
       .Case("cortex-m0", "6M")
+      .Case("cortex-a53", "8A")
       .Default(0);
   }
   static const char *getCPUProfile(StringRef Name) {
Index: lib/Driver/ToolChain.cpp
===================================================================
--- lib/Driver/ToolChain.cpp
+++ lib/Driver/ToolChain.cpp
@@ -195,6 +195,7 @@
     .Cases("armv7r", "armv7-r", "cortex-r4")
     .Cases("armv7m", "armv7-m", "cortex-m3")
     .Cases("armv7em", "armv7e-m", "cortex-m4")
+    .Cases("armv8", "armv8a", "armv8-a", "cortex-a53")
     .Case("ep9312", "ep9312")
     .Case("iwmmxt", "iwmmxt")
     .Case("xscale", "xscale")
@@ -230,6 +231,7 @@
     .Case("cortex-m4", "v7em")
     .Case("cortex-a9-mp", "v7f")
     .Case("swift", "v7s")
+    .Case("cortex-a53", "v8")
     .Default("");
 }
 
Index: lib/Driver/ToolChains.cpp
===================================================================
--- lib/Driver/ToolChains.cpp
+++ lib/Driver/ToolChains.cpp
@@ -113,6 +113,7 @@
     .Cases("armv7k", "armv7-k", "armv7k")
     .Cases("armv7m", "armv7-m", "armv7m")
     .Cases("armv7s", "armv7-s", "armv7s")
+    .Cases("armv8", "armv8a", "armv8-a", "armv8")
     .Default(0);
 }
 
Index: lib/Driver/Tools.cpp
===================================================================
--- lib/Driver/Tools.cpp
+++ lib/Driver/Tools.cpp
@@ -532,6 +532,7 @@
     .Cases("armv7s", "armv7-s", "swift")
     .Cases("armv7r", "armv7-r", "cortex-r4")
     .Cases("armv7m", "armv7-m", "cortex-m3")
+    .Cases("armv8", "armv8a", "armv8-a", "cortex-a53")
     .Case("ep9312", "ep9312")
     .Case("iwmmxt", "iwmmxt")
     .Case("xscale", "xscale")
Index: test/Driver/arch.c
===================================================================
--- test/Driver/arch.c
+++ test/Driver/arch.c
@@ -1,3 +1,5 @@
-// RUN: %clang -target armv7a-unknown-linux-gnueabi -S -emit-llvm %s -o - | FileCheck %s
+// RUN: %clang -target armv7a-unknown-linux-gnueabi -S -emit-llvm %s -o - | FileCheck %s --check-prefix=V7
+// RUN: %clang -target armv8a-unknown-linux-gnueabi -S -emit-llvm %s -o - | FileCheck %s --check-prefix=V8
 
-// CHECK: target triple = "armv7-unknown-linux-gnueabi"
+// CHECK-V7: target triple = "armv7-unknown-linux-gnueabi"
+// CHECK-V8: target triple = "armv8-unknown-linux-gnueabi"
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