llvm.memory.barrier, and impl for x86 and alpha
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47204 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Alpha/mb.ll b/test/CodeGen/Alpha/mb.ll
new file mode 100644
index 0000000..50c245f
--- /dev/null
+++ b/test/CodeGen/Alpha/mb.ll
@@ -0,0 +1,8 @@
+; RUN: llvm-as < %s | llc -march=alpha | grep mb
+
+declare void @llvm.memory.barrier( i1 , i1 , i1 , i1 , i1)
+
+define void @test() {
+ call void @llvm.memory.barrier( i1 true, i1 true, i1 true, i1 true , i1 true)
+ ret void
+}