Recognize sparc64 as an alias for sparcv9 triples.

Patch by Brad Smith!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181808 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Triple.cpp b/lib/Support/Triple.cpp
index 412e34c..7c02ffb 100644
--- a/lib/Support/Triple.cpp
+++ b/lib/Support/Triple.cpp
@@ -239,7 +239,7 @@
     .Case("hexagon", Triple::hexagon)
     .Case("s390x", Triple::systemz)
     .Case("sparc", Triple::sparc)
-    .Case("sparcv9", Triple::sparcv9)
+    .Cases("sparcv9", "sparc64", Triple::sparcv9)
     .Case("tce", Triple::tce)
     .Case("xcore", Triple::xcore)
     .Case("nvptx", Triple::nvptx)
diff --git a/test/CodeGen/SPARC/64cond.ll b/test/CodeGen/SPARC/64cond.ll
index 6e66a26..cf1a039 100644
--- a/test/CodeGen/SPARC/64cond.ll
+++ b/test/CodeGen/SPARC/64cond.ll
@@ -1,5 +1,5 @@
-; RUN: llc < %s -march=sparcv9 | FileCheck %s
-; Testing 64-bit conditionals.
+; RUN: llc < %s -mtriple=sparc64-pc-openbsd | FileCheck %s
+; Testing 64-bit conditionals. The sparc64 triple is an alias for sparcv9.
 
 ; CHECK: cmpri
 ; CHECK: subcc %i1, 1