diff options
Diffstat (limited to 'llvm/lib/IR/Metadata.cpp')
| -rw-r--r-- | llvm/lib/IR/Metadata.cpp | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/llvm/lib/IR/Metadata.cpp b/llvm/lib/IR/Metadata.cpp index 1abcf0d18c9..6ec4a25f51b 100644 --- a/llvm/lib/IR/Metadata.cpp +++ b/llvm/lib/IR/Metadata.cpp @@ -545,6 +545,18 @@ static bool hasSelfReference(MDNode *N) { } MDNode *MDNode::replaceWithPermanentImpl() { + switch (getMetadataID()) { + default: + // If this type isn't uniquable, replace with a distinct node. + return replaceWithDistinctImpl(); + +#define HANDLE_MDNODE_LEAF_UNIQUABLE(CLASS) \ + case CLASS##Kind: \ + break; +#include "llvm/IR/Metadata.def" + } + + // Even if this type is uniquable, self-references have to be distinct. if (hasSelfReference(this)) return replaceWithDistinctImpl(); return replaceWithUniquedImpl(); @@ -671,8 +683,8 @@ MDNode *MDNode::uniquify() { // Try to insert into uniquing store. switch (getMetadataID()) { default: - llvm_unreachable("Invalid subclass of MDNode"); -#define HANDLE_MDNODE_LEAF(CLASS) \ + llvm_unreachable("Invalid or non-uniquable subclass of MDNode"); +#define HANDLE_MDNODE_LEAF_UNIQUABLE(CLASS) \ case CLASS##Kind: { \ CLASS *SubclassThis = cast<CLASS>(this); \ std::integral_constant<bool, HasCachedHash<CLASS>::value> \ @@ -687,8 +699,8 @@ MDNode *MDNode::uniquify() { void MDNode::eraseFromStore() { switch (getMetadataID()) { default: - llvm_unreachable("Invalid subclass of MDNode"); -#define HANDLE_MDNODE_LEAF(CLASS) \ + llvm_unreachable("Invalid or non-uniquable subclass of MDNode"); +#define HANDLE_MDNODE_LEAF_UNIQUABLE(CLASS) \ case CLASS##Kind: \ getContext().pImpl->CLASS##s.erase(cast<CLASS>(this)); \ break; |
