diff options
Diffstat (limited to 'llvm/include/llvm-c')
| -rw-r--r-- | llvm/include/llvm-c/DebugInfo.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/llvm/include/llvm-c/DebugInfo.h b/llvm/include/llvm-c/DebugInfo.h index fff7bd56925..6d5e7fe8b11 100644 --- a/llvm/include/llvm-c/DebugInfo.h +++ b/llvm/include/llvm-c/DebugInfo.h @@ -830,6 +830,33 @@ LLVMDIBuilderCreateGlobalVariableExpression(LLVMDIBuilderRef Builder, LLVMMetadataRef Expr, LLVMMetadataRef Decl, uint32_t AlignInBits); +/** + * Create a new temporary \c MDNode. Suitable for use in constructing cyclic + * \c MDNode structures. A temporary \c MDNode is not uniqued, may be RAUW'd, + * and must be manually deleted with \c LLVMDisposeTemporaryMDNode. + * \param Ctx The context in which to construct the temporary node. + * \param Data The metadata elements. + * \param NumElements Number of metadata elements. + */ +LLVMMetadataRef LLVMTemporaryMDNode(LLVMContextRef Ctx, LLVMMetadataRef *Data, + size_t NumElements); + +/** + * Deallocate a temporary node. + * + * Calls \c replaceAllUsesWith(nullptr) before deleting, so any remaining + * references will be reset. + * \param TempNode The temporary metadata node. + */ +void LLVMDisposeTemporaryMDNode(LLVMMetadataRef TempNode); + +/** + * Replace all uses of temporary metadata. + * \param TempTargetMetadata The temporary metadata node. + * \param Replacement The replacement metadata node. + */ +void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef TempTargetMetadata, + LLVMMetadataRef Replacement); /** * Create a new descriptor for the specified global variable that is temporary |
