From f609ea22f31177777009263c3d41af3015b8c953 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty@vector35.com>
Date: Thu, 25 Jun 2020 21:45:34 -0400
Subject: Add C++ APIs to get SSA and non-SSA forms of HLIL instructions

---
 highlevelilinstruction.cpp | 33 +++++++++++++++++++++++++++++++++
 highlevelilinstruction.h   |  6 ++++++
 2 files changed, 39 insertions(+)

diff --git a/highlevelilinstruction.cpp b/highlevelilinstruction.cpp
index d7d1c6aa..e4ad6c7b 100644
--- a/highlevelilinstruction.cpp
+++ b/highlevelilinstruction.cpp
@@ -20,6 +20,7 @@
 
 #ifdef BINARYNINJACORE_LIBRARY
 #include "highlevelilfunction.h"
+#include "highlevelilssafunction.h"
 #include "mediumlevelilfunction.h"
 #include "mediumlevelilssafunction.h"
 using namespace BinaryNinjaCore;
@@ -848,6 +849,38 @@ Confidence<Ref<Type>> HighLevelILInstructionBase::GetType() const
 }
 
 
+size_t HighLevelILInstructionBase::GetSSAExprIndex() const
+{
+	return function->GetSSAExprIndex(exprIndex);
+}
+
+
+size_t HighLevelILInstructionBase::GetNonSSAExprIndex() const
+{
+	return function->GetNonSSAExprIndex(exprIndex);
+}
+
+
+HighLevelILInstruction HighLevelILInstructionBase::GetSSAForm() const
+{
+	Ref<HighLevelILFunction> ssa = function->GetSSAForm().GetPtr();
+	if (!ssa)
+		return *this;
+	size_t expr = GetSSAExprIndex();
+	return ssa->GetExpr(expr);
+}
+
+
+HighLevelILInstruction HighLevelILInstructionBase::GetNonSSAForm() const
+{
+	Ref<HighLevelILFunction> nonSsa = function->GetNonSSAForm();
+	if (!nonSsa)
+		return *this;
+	size_t expr = GetNonSSAExprIndex();
+	return nonSsa->GetExpr(expr);
+}
+
+
 size_t HighLevelILInstructionBase::GetMediumLevelILExprIndex() const
 {
 	return function->GetMediumLevelILExprIndex(exprIndex);
diff --git a/highlevelilinstruction.h b/highlevelilinstruction.h
index 497cf122..763c8221 100644
--- a/highlevelilinstruction.h
+++ b/highlevelilinstruction.h
@@ -318,6 +318,12 @@ namespace BinaryNinja
 			_STD_SET<BNDataFlowQueryOption>()) const;
 		Confidence<Ref<Type>> GetType() const;
 
+		size_t GetSSAExprIndex() const;
+		size_t GetNonSSAExprIndex() const;
+
+		HighLevelILInstruction GetSSAForm() const;
+		HighLevelILInstruction GetNonSSAForm() const;
+
 		size_t GetMediumLevelILExprIndex() const;
 		bool HasMediumLevelIL() const;
 		MediumLevelILInstruction GetMediumLevelIL() const;
-- 
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