1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/X86/byval.ll b/test/CodeGen/X86/byval.ll
new file mode 100644
index 0000000..af36e1b
--- /dev/null
+++ b/test/CodeGen/X86/byval.ll
@@ -0,0 +1,13 @@
+; RUN: llc < %s -march=x86-64 | grep {movq	8(%rsp), %rax}
+; RUN: llc < %s -march=x86 > %t
+; RUN: grep {movl	8(%esp), %edx} %t
+; RUN: grep {movl	4(%esp), %eax} %t
+
+%struct.s = type { i64, i64, i64 }
+
+define i64 @f(%struct.s* byval %a) {
+entry:
+	%tmp2 = getelementptr %struct.s* %a, i32 0, i32 0
+	%tmp3 = load i64* %tmp2, align 8
+	ret i64 %tmp3
+}