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-rw-r--r--src/test/codegen/issue-45466.rs15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/codegen/issue-45466.rs b/src/test/codegen/issue-45466.rs
new file mode 100644
index 000000000..c79542767
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+++ b/src/test/codegen/issue-45466.rs
@@ -0,0 +1,15 @@
+// compile-flags: -O
+// ignore-debug: the debug assertions get in the way
+
+#![crate_type="rlib"]
+
+// CHECK-LABEL: @memzero
+// CHECK-NOT: store
+// CHECK: call void @llvm.memset
+// CHECK-NOT: store
+#[no_mangle]
+pub fn memzero(data: &mut [u8]) {
+ for i in 0..data.len() {
+ data[i] = 0;
+ }
+}