From 09588c795c08064971f61ee147d06972f0add94e Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Tue, 16 Nov 2021 17:46:39 -0700
Subject: stage2: LLVM backend: memset to 0xaa for undefined stores

Also support `one` and `int_big_positive` tags for const pointers.
---
 src/value.zig | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/value.zig')

diff --git a/src/value.zig b/src/value.zig
index 4b571891f4..4eaa865149 100644
--- a/src/value.zig
+++ b/src/value.zig
@@ -1802,6 +1802,13 @@ pub const Value = extern union {
         return self.tag() == .undef;
     }
 
+    /// TODO: check for cases such as array that is not marked undef but all the element
+    /// values are marked undef, or struct that is not marked undef but all fields are marked
+    /// undef, etc.
+    pub fn isUndefDeep(self: Value) bool {
+        return self.isUndef();
+    }
+
     /// Asserts the value is not undefined and not unreachable.
     /// Integer value 0 is considered null because of C pointers.
     pub fn isNull(self: Value) bool {
-- 
cgit v1.2.3