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-rw-r--r--lib/VMCore/Core.cpp36
1 files changed, 34 insertions, 2 deletions
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index 8560de4..a21ec7a 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -456,7 +456,10 @@ LLVMValueRef LLVMGetUsedValue(LLVMUseRef U) {
/*--.. Operations on Users .................................................--*/
LLVMValueRef LLVMGetOperand(LLVMValueRef Val, unsigned Index) {
- return wrap(unwrap<User>(Val)->getOperand(Index));
+ Value *V = unwrap(Val);
+ if (MDNode *MD = dyn_cast<MDNode>(V))
+ return wrap(MD->getOperand(Index));
+ return wrap(cast<User>(V)->getOperand(Index));
}
void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
@@ -464,7 +467,10 @@ void LLVMSetOperand(LLVMValueRef Val, unsigned Index, LLVMValueRef Op) {
}
int LLVMGetNumOperands(LLVMValueRef Val) {
- return unwrap<User>(Val)->getNumOperands();
+ Value *V = unwrap(Val);
+ if (MDNode *MD = dyn_cast<MDNode>(V))
+ return MD->getNumOperands();
+ return cast<User>(V)->getNumOperands();
}
/*--.. Operations on constants of any type .................................--*/
@@ -521,6 +527,32 @@ LLVMValueRef LLVMMDNode(LLVMValueRef *Vals, unsigned Count) {
return LLVMMDNodeInContext(LLVMGetGlobalContext(), Vals, Count);
}
+const char *LLVMGetMDString(LLVMValueRef V, unsigned* Len) {
+ if (const MDString *S = dyn_cast<MDString>(unwrap(V))) {
+ *Len = S->getString().size();
+ return S->getString().data();
+ }
+ *Len = 0;
+ return 0;
+}
+
+unsigned LLVMGetNamedMetadataNumOperands(LLVMModuleRef M, const char* name)
+{
+ if (NamedMDNode *N = unwrap(M)->getNamedMetadata(name)) {
+ return N->getNumOperands();
+ }
+ return 0;
+}
+
+void LLVMGetNamedMetadataOperands(LLVMModuleRef M, const char* name, LLVMValueRef *Dest)
+{
+ NamedMDNode *N = unwrap(M)->getNamedMetadata(name);
+ if (!N)
+ return;
+ for (unsigned i=0;i<N->getNumOperands();i++)
+ Dest[i] = wrap(N->getOperand(i));
+}
+
/*--.. Operations on scalar constants ......................................--*/
LLVMValueRef LLVMConstInt(LLVMTypeRef IntTy, unsigned long long N,