1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/mips64-sret.ll b/test/CodeGen/Mips/mips64-sret.ll
new file mode 100644
index 0000000..e26b022
--- /dev/null
+++ b/test/CodeGen/Mips/mips64-sret.ll
@@ -0,0 +1,16 @@
+; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=n64 -O3 < %s | FileCheck %s
+
+%struct.S = type { [8 x i32] }
+
+@g = common global %struct.S zeroinitializer, align 4
+
+define void @f(%struct.S* noalias sret %agg.result) nounwind {
+entry:
+; CHECK: daddu $2, $zero, $4
+
+  %0 = bitcast %struct.S* %agg.result to i8*
+  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast (%struct.S* @g to i8*), i64 32, i32 4, i1 false)
+  ret void
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind