According to ARM EABI, 8-bytes function arguments must be 8-bytes aligned.

llvm-svn: 34241
diff --git a/llvm/test/CodeGen/ARM/arguments.ll b/llvm/test/CodeGen/ARM/arguments.ll
new file mode 100644
index 0000000..77cadd6
--- /dev/null
+++ b/llvm/test/CodeGen/ARM/arguments.ll
@@ -0,0 +1,10 @@
+; RUN: llvm-as < %s | llc -march=arm &&
+; RUN: llvm-as < %s | llc -mtriple=arm-linux | grep "mov r0, r2" | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin | grep "mov r0, r1" | wc -l | grep 1
+
+define i32 @f(i32 %a, i64 %b) {
+        %tmp = call i32 @g(i64 %b)
+        ret i32 %tmp
+}
+
+declare i32 @g(i64)
\ No newline at end of file