From 83657b24fd7e8982ae534a99cb15627c9220642b Mon Sep 17 00:00:00 2001
From: rarbore2 <rarbore2@illinois.edu>
Date: Fri, 17 Jan 2025 15:53:14 -0600
Subject: [PATCH] Generate LLVM undef on CPU
---
hercules_cg/src/cpu.rs | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hercules_cg/src/cpu.rs b/hercules_cg/src/cpu.rs
index 8dfe06e7..85139b4c 100644
--- a/hercules_cg/src/cpu.rs
+++ b/hercules_cg/src/cpu.rs
@@ -536,6 +536,17 @@ impl<'a> CPUContext<'a> {
self.get_value(collect, true)
)?;
}
+ Node::Undef { ty } => {
+ let body = &mut blocks.get_mut(&self.bbs.0[id.idx()]).unwrap().body;
+ let ty = self.get_type(ty);
+ write!(
+ body,
+ " {} = bitcast {} undef to {}\n",
+ self.get_value(id, false),
+ ty,
+ ty
+ )?;
+ }
_ => panic!("PANIC: Can't lower {:?}.", self.function.nodes[id.idx()]),
}
Ok(())
--
GitLab