Expose UnrollThreshold and Inline_Benefit_reduction in the command line for automatic code size tuning

2025-12-21 12:14:44 +01:00 · 2017-10-27 10:30:23 -07:00
parent d53f25c56d
commit c0b7cf0ff5
5 changed files with 36 additions and 2 deletions
--- a/lib/SILOptimizer/Transforms/PerformanceInliner.cpp
+++ b/lib/SILOptimizer/Transforms/PerformanceInliner.cpp
@@ -256,7 +256,9 @@ bool SILPerformanceInliner::isProfitableToInline(
        return false;
    }

-    BaseBenefit = BaseBenefit / 2;
+    // Use command line option to control inlining in Osize mode.
+    const uint64_t CallerBaseBenefitReductionFactor = AI.getFunction()->getModule().getOptions().CallerBaseBenefitReductionFactor;
+    BaseBenefit = BaseBenefit / CallerBaseBenefitReductionFactor;
  }

  // It is always OK to inline a simple call.