create test/Regression/CodeGen/ARM/ and add a minimal test to it


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28468 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/dg.exp b/test/CodeGen/ARM/dg.exp
new file mode 100644
index 0000000..142de8a
--- /dev/null
+++ b/test/CodeGen/ARM/dg.exp
@@ -0,0 +1,3 @@
+load_lib llvm-dg.exp
+
+llvm-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.{ll,llx,c,cpp,tr}]] $objdir $srcdir $subdir $target_triplet $llvmgcc $llvmgxx $prcontext $llvmgcc_version
diff --git a/test/CodeGen/ARM/ret0.ll b/test/CodeGen/ARM/ret0.ll
new file mode 100644
index 0000000..765bfca
--- /dev/null
+++ b/test/CodeGen/ARM/ret0.ll
@@ -0,0 +1,4 @@
+; RUN: llvm-as < %s | llc -march=arm
+int %test() {
+  ret int 0
+}