llvm-reduce: Reduce prologue data

Identical to the prefix data handling, and also had broken cloning.

1 files changed, 15 insertions, 8 deletions

diff --git a/llvm/lib/Transforms/Utils/CloneFunction.cpp b/llvm/lib/Transforms/Utils/CloneFunction.cpp
index 7e84191..87822ee 100644
--- a/llvm/lib/Transforms/Utils/CloneFunction.cpp
+++ b/llvm/lib/Transforms/Utils/CloneFunction.cpp
@@ -105,18 +105,25 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
   NewFunc->copyAttributesFrom(OldFunc);
   NewFunc->setAttributes(NewAttrs);
 
+  const RemapFlags FuncGlobalRefFlags =
+      ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges;
+
   // Fix up the personality function that got copied over.
   if (OldFunc->hasPersonalityFn())
-    NewFunc->setPersonalityFn(
-        MapValue(OldFunc->getPersonalityFn(), VMap,
-                 ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges,
-                 TypeMapper, Materializer));
+    NewFunc->setPersonalityFn(MapValue(OldFunc->getPersonalityFn(), VMap,
+                                       FuncGlobalRefFlags, TypeMapper,
+                                       Materializer));
 
   if (OldFunc->hasPrefixData()) {
-    NewFunc->setPrefixData(
-        MapValue(OldFunc->getPrefixData(), VMap,
-                 ModuleLevelChanges ? RF_None : RF_NoModuleLevelChanges,
-                 TypeMapper, Materializer));
+    NewFunc->setPrefixData(MapValue(OldFunc->getPrefixData(), VMap,
+                                    FuncGlobalRefFlags, TypeMapper,
+                                    Materializer));
+  }
+
+  if (OldFunc->hasPrologueData()) {
+    NewFunc->setPrologueData(MapValue(OldFunc->getPrologueData(), VMap,
+                                      FuncGlobalRefFlags, TypeMapper,
+                                      Materializer));
   }
 
   SmallVector<AttributeSet, 4> NewArgAttrs(NewFunc->arg_size());