From 1305d1ef238731c28495b9ee40cace982588cc46 Mon Sep 17 00:00:00 2001
From: bjorn3 <bjorn3@users.noreply.github.com>
Date: Wed, 8 Aug 2018 12:30:25 +0200
Subject: [PATCH] Implement Rvalue::Repeat

---
 examples/example.rs | 4 ++++
 src/base.rs         | 7 ++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/examples/example.rs b/examples/example.rs
index 74735c6a12d..ecc5db5c0db 100644
--- a/examples/example.rs
+++ b/examples/example.rs
@@ -146,3 +146,7 @@ unsafe fn call_uninit() -> u8 {
 fn use_array(arr: [u8; 3]) -> u8 {
     arr[1]
 }
+
+fn repeat_array() -> [u8; 3] {
+    [0; 3]
+}
diff --git a/src/base.rs b/src/base.rs
index 723eb8cdc76..ad37f585677 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -412,7 +412,12 @@ fn trans_stmt<'a, 'tcx: 'a>(
                     lval.write_cvalue(fx, discr);
                 }
                 Rvalue::Repeat(operand, times) => {
-                    unimplemented!("rval repeat {:?} {:?}", operand, times)
+                    let operand = trans_operand(fx, operand);
+                    for i in 0..*times {
+                        let index = fx.bcx.ins().iconst(types::I64, i as i64);
+                        let to = lval.place_index(fx, index);
+                        to.write_cvalue(fx, operand);
+                    }
                 }
                 Rvalue::Len(lval) => return Err(format!("rval len {:?}", lval)),
                 Rvalue::NullaryOp(NullOp::Box, ty) => unimplemented!("rval box {:?}", ty),