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-rw-r--r--test/CodeGen/Mips/memcpy.ll19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/memcpy.ll b/test/CodeGen/Mips/memcpy.ll
new file mode 100644
index 000000000000..39764a936381
--- /dev/null
+++ b/test/CodeGen/Mips/memcpy.ll
@@ -0,0 +1,19 @@
+; RUN: llc -march=mipsel < %s | FileCheck %s
+
+%struct.S1 = type { i32, [41 x i8] }
+
+@.str = private unnamed_addr constant [31 x i8] c"abcdefghijklmnopqrstuvwxyzABCD\00", align 1
+
+define void @foo1(%struct.S1* %s1, i8 signext %n) nounwind {
+entry:
+; CHECK-NOT: call16(memcpy
+
+ %arraydecay = getelementptr inbounds %struct.S1* %s1, i32 0, i32 1, i32 0
+ tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %arraydecay, i8* getelementptr inbounds ([31 x i8]* @.str, i32 0, i32 0), i32 31, i32 1, i1 false)
+ %arrayidx = getelementptr inbounds %struct.S1* %s1, i32 0, i32 1, i32 40
+ store i8 %n, i8* %arrayidx, align 1
+ ret void
+}
+
+declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind
+