Don't rerun diagnostic passes on deserialized SIL.

2025-12-21 12:14:44 +01:00 · 2018-02-02 09:57:42 -08:00
parent 0dfce6c0f6
commit 4734920222
11 changed files with 53 additions and 1 deletions
--- a/lib/SILOptimizer/Transforms/AllocBoxToStack.cpp
+++ b/lib/SILOptimizer/Transforms/AllocBoxToStack.cpp
@@ -944,6 +944,10 @@ namespace {
 class AllocBoxToStack : public SILFunctionTransform {
  /// The entry point to the transformation.
  void run() override {
+    // Don't rerun on deserialized functions. Nothing should have changed.
+    if (getFunction()->wasDeserializedCanonical())
+      return;
+
    AllocBoxToStackState pass(this);
    for (auto &BB : *getFunction()) {
      for (auto &I : BB)