ValueMapper: Unduplicate RF_NoModuleLevelChanges check, NFC
llvm-svn: 265761
diff --git a/llvm/lib/Transforms/Utils/ValueMapper.cpp b/llvm/lib/Transforms/Utils/ValueMapper.cpp
index ca48290..27c7f1b 100644
--- a/llvm/lib/Transforms/Utils/ValueMapper.cpp
+++ b/llvm/lib/Transforms/Utils/ValueMapper.cpp
@@ -651,10 +651,12 @@
if (isa<MDString>(MD))
return mapToSelf(MD);
- if (auto *CMD = dyn_cast<ConstantAsMetadata>(MD)) {
- if ((Flags & RF_NoModuleLevelChanges))
- return mapToSelf(MD);
+ // This is a module-level metadata. If nothing at the module level is
+ // changing, use an identity mapping.
+ if ((Flags & RF_NoModuleLevelChanges))
+ return mapToSelf(MD);
+ if (auto *CMD = dyn_cast<ConstantAsMetadata>(MD)) {
// Disallow recursion into metadata mapping through mapValue.
VM.disableMapMetadata();
Value *MappedV = mapValue(CMD->getValue());
@@ -668,11 +670,6 @@
assert(isa<MDNode>(MD) && "Expected a metadata node");
- // If this is a module-level metadata and we know that nothing at the
- // module level is changing, then use an identity mapping.
- if (Flags & RF_NoModuleLevelChanges)
- return mapToSelf(MD);
-
return None;
}