From 82a211d4312a7ce1dd3e3800b15648620c65f48b Mon Sep 17 00:00:00 2001
From: Mark Rowe <mrowe@bdash.net.nz>
Date: Tue, 27 May 2025 11:47:19 -0700
Subject: [Rust] Allow mapping between SSA and non-SSA forms of instructions /
 expressions

---
 rust/src/low_level_il/expression.rs | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

(limited to 'rust/src/low_level_il/expression.rs')

diff --git a/rust/src/low_level_il/expression.rs b/rust/src/low_level_il/expression.rs
index 81c4e57d..ce9d5bba 100644
--- a/rust/src/low_level_il/expression.rs
+++ b/rust/src/low_level_il/expression.rs
@@ -120,6 +120,36 @@ where
     }
 }
 
+impl<M, R> LowLevelILExpression<'_, M, SSA, R>
+where
+    M: FunctionMutability,
+    R: ExpressionResultType,
+{
+    pub fn non_ssa_form<'func>(
+        &self,
+        non_ssa: &'func LowLevelILFunction<M, NonSSA>,
+    ) -> LowLevelILExpression<'func, M, NonSSA, R> {
+        use binaryninjacore_sys::BNGetLowLevelILNonSSAExprIndex;
+        let idx = unsafe { BNGetLowLevelILNonSSAExprIndex(self.function.handle, self.index.0) };
+        LowLevelILExpression::new(non_ssa, LowLevelExpressionIndex(idx))
+    }
+}
+
+impl<M, R> LowLevelILExpression<'_, M, NonSSA, R>
+where
+    M: FunctionMutability,
+    R: ExpressionResultType,
+{
+    pub fn ssa_form<'func>(
+        &self,
+        ssa: &'func LowLevelILFunction<M, SSA>,
+    ) -> LowLevelILExpression<'func, M, SSA, R> {
+        use binaryninjacore_sys::BNGetLowLevelILSSAExprIndex;
+        let idx = unsafe { BNGetLowLevelILSSAExprIndex(self.function.handle, self.index.0) };
+        LowLevelILExpression::new(ssa, LowLevelExpressionIndex(idx))
+    }
+}
+
 impl<'func, M> ExpressionHandler<'func, M, SSA> for LowLevelILExpression<'func, M, SSA, ValueExpr>
 where
     M: FunctionMutability,
-- 
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