Add test file for simple ARM binary encodings with MC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116024 91177308-0d34-0410-b5e6-96231b3b80d8

test/MC/ARM/simple-encoding.ll

@@ -0,0 +1,18 @@
+;RUN: llc -mtriple=armv7-apple-darwin -show-mc-encoding < %s | FileCheck %s
+
+
+;FIXME: Once the ARM integrated assembler is up and going, these sorts of tests
+;       should run on .s source files rather than using llc to generate the
+;       assembly.
+
+define i32 @foo(i32 %a, i32 %b) nounwind ssp {
+entry:
+; CHECK: foo
+; CHECK: 0xf0,0x00,0xf0,0x07
+; CHECK: 0x1e,0xff,0x2f,0x01
+
+  tail call void @llvm.trap()
+  ret i32 undef
+}
+
+declare void @llvm.trap() nounwind