diff options
| -rw-r--r-- | include/llvm-c/Core.h | 21 | ||||
| -rw-r--r-- | lib/VMCore/Core.cpp | 13 |
2 files changed, 34 insertions, 0 deletions
diff --git a/include/llvm-c/Core.h b/include/llvm-c/Core.h index 6587e77080..4d3374958b 100644 --- a/include/llvm-c/Core.h +++ b/include/llvm-c/Core.h @@ -1869,6 +1869,27 @@ LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count); const char *LLVMGetMDString(LLVMValueRef V, unsigned* Len); /** + * Obtain the number of operands from an MDNode value. + * + * @param V MDNode to get number of operands from. + * @return Number of operands of the MDNode. + */ +unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V); + +/** + * Obtain the given MDNode's operands. + * + * The passed LLVMValueRef pointer should point to enough memory to hold all of + * the operands of the given MDNode (see LLVMGetMDNodeNumOperands) as + * LLVMValueRefs. This memory will be populated with the LLVMValueRefs of the + * MDNode's operands. + * + * @param V MDNode to get the operands from. + * @param Dest Destination array for operands. + */ +void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest); + +/** * @} */ diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp index a56f1b282b..924367deef 100644 --- a/lib/VMCore/Core.cpp +++ b/lib/VMCore/Core.cpp @@ -568,6 +568,19 @@ const char *LLVMGetMDString(LLVMValueRef V, unsigned* Len) { return 0; } +unsigned LLVMGetMDNodeNumOperands(LLVMValueRef V) +{ + return cast<MDNode>(unwrap(V))->getNumOperands(); +} + +void LLVMGetMDNodeOperands(LLVMValueRef V, LLVMValueRef *Dest) +{ + const MDNode *N = cast<MDNode>(unwrap(V)); + const unsigned numOperands = N->getNumOperands(); + for (unsigned i = 0; i < numOperands; i++) + Dest[i] = wrap(N->getOperand(i)); +} + unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char* name) { if (NamedMDNode *N = unwrap(M)->getNamedMetadata(name)) { |