R600: Fix encoding of CF_END_{EG, R600} instructions

The EOP bit was not being encoded.

llvm-svn: 180734
diff --git a/llvm/test/CodeGen/R600/cf_end.ll b/llvm/test/CodeGen/R600/cf_end.ll
new file mode 100644
index 0000000..67d5e3e
--- /dev/null
+++ b/llvm/test/CodeGen/R600/cf_end.ll
@@ -0,0 +1,6 @@
+; RUN: llc < %s -march=r600 -mcpu=redwood --show-mc-encoding | FileCheck %s
+
+; CHECK: CF_END ; encoding: [0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x80]
+define void @eop() {
+  ret void
+}