Go bindings: introduce Metadata.ReplaceAllUsesWith.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224177 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 16 insertions, 0 deletions

diff --git a/bindings/go/llvm/IRBindings.cpp b/bindings/go/llvm/IRBindings.cpp
index 6247fbc3baa..3099fa56281 100644
--- a/bindings/go/llvm/IRBindings.cpp
+++ b/bindings/go/llvm/IRBindings.cpp
@@ -75,6 +75,12 @@ void LLVMSetMetadata2(LLVMValueRef Inst, unsigned KindID, LLVMMetadataRef MD) {
   unwrap<Instruction>(Inst)->setMetadata(KindID, N);
 }
 
+void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef MD, LLVMMetadataRef New) {
+  auto *Node = unwrap<MDNodeFwdDecl>(MD);
+  Node->replaceAllUsesWith(unwrap<MDNode>(New));
+  MDNode::deleteTemporary(Node);
+}
+
 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Bref, unsigned Line,
                                   unsigned Col, LLVMMetadataRef Scope,
                                   LLVMMetadataRef InlinedAt) {
diff --git a/bindings/go/llvm/IRBindings.h b/bindings/go/llvm/IRBindings.h
index 8be89445207..6bce4f71c29 100644
--- a/bindings/go/llvm/IRBindings.h
+++ b/bindings/go/llvm/IRBindings.h
@@ -45,6 +45,8 @@ void LLVMAddNamedMetadataOperand2(LLVMModuleRef M, const char *name,
                                   LLVMMetadataRef Val);
 void LLVMSetMetadata2(LLVMValueRef Inst, unsigned KindID, LLVMMetadataRef MD);
 
+void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef MD, LLVMMetadataRef New);
+
 void LLVMSetCurrentDebugLocation2(LLVMBuilderRef Bref, unsigned Line,
                                   unsigned Col, LLVMMetadataRef Scope,
                                   LLVMMetadataRef InlinedAt);
diff --git a/bindings/go/llvm/ir.go b/bindings/go/llvm/ir.go
index af246fe2e65..178eda303be 100644
--- a/bindings/go/llvm/ir.go
+++ b/bindings/go/llvm/ir.go
@@ -1827,3 +1827,11 @@ func (pm PassManager) FinalizeFunc() bool { return C.LLVMFinalizeFunctionPassMan
 // the module provider.
 // See llvm::PassManagerBase::~PassManagerBase.
 func (pm PassManager) Dispose() { C.LLVMDisposePassManager(pm.C) }
+
+//-------------------------------------------------------------------------
+// llvm.Metadata
+//-------------------------------------------------------------------------
+
+func (md Metadata) ReplaceAllUsesWith(new Metadata) {
+	C.LLVMMetadataReplaceAllUsesWith(md.C, new.C)
+}