Allow overbudget for small methods (#86473)

Co-authored-by: Andy Ayers <andya@microsoft.com>

diff --git a/src/coreclr/jit/inlinepolicy.cpp b/src/coreclr/jit/inlinepolicy.cpp
index c9f0d50..75088eb 100644 (file)
--- a/src/coreclr/jit/inlinepolicy.cpp
+++ b/src/coreclr/jit/inlinepolicy.cpp
@@ -502,11 +502,26 @@ bool DefaultPolicy::BudgetCheck() const
         //
         assert(m_IsForceInlineKnown);
         assert(m_CallsiteDepth > 0);
-        const bool allowOverBudget = m_IsForceInline && (m_CallsiteDepth <= strategy->GetMaxForceInlineDepth());
+        bool allowOverBudget = m_IsForceInline && (m_CallsiteDepth <= strategy->GetMaxForceInlineDepth());
+
+        const unsigned skipBudgetChecksSize = 12;
+        if (!allowOverBudget && (m_CodeSize <= skipBudgetChecksSize))
+        {
+            // We don't want to give up on various getters/setters if we're running out of budget
+            JITDUMP("Allowing over-budget for small methods\n")
+            allowOverBudget = true;
+        }
+
+        if (!allowOverBudget && m_IsNoReturnKnown && m_IsNoReturn)
+        {
+            // We're not going to inline no-return calls anyway
+            JITDUMP("Allowing over-budget for known no-returns\n")
+            allowOverBudget = true;
+        }
 
         if (allowOverBudget)
         {
-            JITDUMP("Allowing over-budget top-level forceinline\n");
+            JITDUMP("Allowing over-budget: top-level forceinline, no return call, or small inlinee\n");
         }
         else
         {