From 46777633bc9298188d1f5be9aba116cb46b35464 Mon Sep 17 00:00:00 2001
From: Roland Conybeare <rconybeare@gmail.com>
Date: Sun, 27 Jul 2025 18:19:54 -0400
Subject: [PATCH] xo-expression: less-than-or-equal

---
 include/xo/expression/Apply.hpp     |  3 +++
 include/xo/expression/Primitive.hpp |  2 ++
 src/expression/Apply.cpp            |  8 ++++++++
 src/expression/Primitive.cpp        | 19 +++++++++++++++++++
 4 files changed, 32 insertions(+)

diff --git a/include/xo/expression/Apply.hpp b/include/xo/expression/Apply.hpp
index 69e830c4..f01fe2a5 100644
--- a/include/xo/expression/Apply.hpp
+++ b/include/xo/expression/Apply.hpp
@@ -37,6 +37,9 @@ namespace xo {
             /** create apply-expression for less-than comparison of two 64-bit integers **/
             static rp<Apply> make_cmp_lt_i64(const rp<Expression> & lhs,
                                              const rp<Expression> & rhs);
+            /** create apply-expression for less-than-or-equal comparison of two 64-bit integers **/
+            static rp<Apply> make_cmp_le_i64(const rp<Expression> & lhs,
+                                             const rp<Expression> & rhs);
             /** create apply-expression for greater-than comparison of two 64-bit integers **/
             static rp<Apply> make_cmp_gt_i64(const rp<Expression> & lhs,
                                              const rp<Expression> & rhs);
diff --git a/include/xo/expression/Primitive.hpp b/include/xo/expression/Primitive.hpp
index e2283f33..619d943e 100644
--- a/include/xo/expression/Primitive.hpp
+++ b/include/xo/expression/Primitive.hpp
@@ -206,6 +206,8 @@ namespace xo {
             static rp<PrimitiveType> make_cmp_ne2_i64();
             /** lt2_i64: compare two 64-bit integers for lessthan **/
             static rp<PrimitiveType> make_cmp_lt2_i64();
+            /** lt2_i64: compare two 64-bit integers for lessthanorequal **/
+            static rp<PrimitiveType> make_cmp_le2_i64();
             /** gt2_i64: compare two 64-bit integers for greaterthan **/
             static rp<PrimitiveType> make_cmp_gt2_i64();
         };
diff --git a/src/expression/Apply.cpp b/src/expression/Apply.cpp
index 3dfc5a6c..70f4bf95 100644
--- a/src/expression/Apply.cpp
+++ b/src/expression/Apply.cpp
@@ -56,6 +56,14 @@ namespace xo {
                                {lhs, rhs});
         }
 
+        rp<Apply>
+        Apply::make_cmp_le_i64(const rp<Expression> & lhs,
+                               const rp<Expression> & rhs)
+        {
+            return Apply::make(Primitive_cmp_i64::make_cmp_le2_i64(),
+                               {lhs, rhs});
+        }
+
         rp<Apply>
         Apply::make_cmp_gt_i64(const rp<Expression> & lhs,
                                const rp<Expression> & rhs)
diff --git a/src/expression/Primitive.cpp b/src/expression/Primitive.cpp
index cafaffb1..234edd88 100644
--- a/src/expression/Primitive.cpp
+++ b/src/expression/Primitive.cpp
@@ -27,6 +27,11 @@ extern "C" {
         return x < y;
     }
 
+    bool
+    cmp_le2_i64(std::int64_t x, std::int64_t y) {
+        return x <= y;
+    }
+
     bool
     cmp_gt2_i64(std::int64_t x, std::int64_t y) {
         return x > y;
@@ -117,6 +122,20 @@ namespace xo {
             return s_retval;
         }
 
+        auto
+        Primitive_cmp_i64::make_cmp_le2_i64() -> rp<PrimitiveType>
+        {
+            static rp<PrimitiveType> s_retval;
+
+            if (!s_retval)
+                s_retval = Primitive::make("cmp_le2_i64",
+                                           &cmp_le2_i64,
+                                           true /*explicit_symbol_def*/,
+                                           llvmintrinsic::i_sle);
+
+            return s_retval;
+        }
+
         auto
         Primitive_cmp_i64::make_cmp_gt2_i64() -> rp<PrimitiveType>
         {