[SPARC] Add support for llvm.thread.pointer.

Differential Revision: http://reviews.llvm.org/D19387

llvm-svn: 267544

llvm/test/CodeGen/SPARC/thread-pointer.ll

@@ -0,0 +1,11 @@
+; RUN: llc < %s -mtriple=sparc-unknown-linux-gnu | FileCheck %s
+; RUN: llc < %s -mtriple=sparc64-unknown-linux-gnu | FileCheck %s
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.thread.pointer() #1
+
+define i8* @thread_pointer() {
+; CHECK: mov %g7, %o0
+  %1 = tail call i8* @llvm.thread.pointer()
+  ret i8* %1
+}