From 4a2996cb1d334a37902e0e9aab32eb45bf22eb84 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Tue, 25 Nov 2014 21:05:04 +0000
Subject: [PATCH] Go bindings: add DIBuilder.InsertValueAtEnd

Expose llvm::DIBuilder::insertDbgValueIntrinsic as
DIBuilder.InsertValueAtEnd in the Go bindings, to support attaching
debug metadata to register values.

Patch by Andrew Wilkins!

Differential Revision: http://reviews.llvm.org/D6374

llvm-svn: 222790
---
 llvm/bindings/go/llvm/DIBuilderBindings.cpp | 15 +++++++++++++--
 llvm/bindings/go/llvm/DIBuilderBindings.h   |  7 +++++++
 llvm/bindings/go/llvm/dibuilder.go          |  7 +++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/llvm/bindings/go/llvm/DIBuilderBindings.cpp b/llvm/bindings/go/llvm/DIBuilderBindings.cpp
index 94fa96f..cb7ac8d 100644
--- a/llvm/bindings/go/llvm/DIBuilderBindings.cpp
+++ b/llvm/bindings/go/llvm/DIBuilderBindings.cpp
@@ -19,8 +19,7 @@
 using namespace llvm;
 
 namespace {
-template <typename T>
-T unwrapDI(LLVMValueRef v) {
+template <typename T> T unwrapDI(LLVMValueRef v) {
   return v ? T(unwrap<MDNode>(v)) : T();
 }
 }
@@ -220,3 +219,15 @@ LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef Dref,
                        unwrapDI<DIExpression>(Expr), unwrap(Block));
   return wrap(Instr);
 }
+
+LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef Dref,
+                                           LLVMValueRef Val, uint64_t Offset,
+                                           LLVMValueRef VarInfo,
+                                           LLVMValueRef Expr,
+                                           LLVMBasicBlockRef Block) {
+  DIBuilder *D = unwrap(Dref);
+  Instruction *Instr = D->insertDbgValueIntrinsic(
+      unwrap(Val), Offset, unwrapDI<DIVariable>(VarInfo),
+      unwrapDI<DIExpression>(Expr), unwrap(Block));
+  return wrap(Instr);
+}
diff --git a/llvm/bindings/go/llvm/DIBuilderBindings.h b/llvm/bindings/go/llvm/DIBuilderBindings.h
index e6fe02a..4df7910 100644
--- a/llvm/bindings/go/llvm/DIBuilderBindings.h
+++ b/llvm/bindings/go/llvm/DIBuilderBindings.h
@@ -116,6 +116,13 @@ LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(LLVMDIBuilderRef D,
                                              LLVMValueRef Expr,
                                              LLVMBasicBlockRef Block);
 
+LLVMValueRef LLVMDIBuilderInsertValueAtEnd(LLVMDIBuilderRef D,
+                                           LLVMValueRef Val,
+                                           uint64_t Offset,
+                                           LLVMValueRef VarInfo,
+                                           LLVMValueRef Expr,
+                                           LLVMBasicBlockRef Block);
+
 #ifdef __cplusplus
 }  // extern "C"
 #endif
diff --git a/llvm/bindings/go/llvm/dibuilder.go b/llvm/bindings/go/llvm/dibuilder.go
index 1d07e98..bcbea93 100644
--- a/llvm/bindings/go/llvm/dibuilder.go
+++ b/llvm/bindings/go/llvm/dibuilder.go
@@ -484,6 +484,13 @@ func (d *DIBuilder) InsertDeclareAtEnd(v, diVarInfo, expr Value, bb BasicBlock)
 	return Value{C: result}
 }
 
+// InsertValueAtEnd inserts a call to llvm.dbg.value at the end of the
+// specified basic block for the given value and associated debug metadata.
+func (d *DIBuilder) InsertValueAtEnd(v, diVarInfo, expr Value, offset uint64, bb BasicBlock) Value {
+	result := C.LLVMDIBuilderInsertValueAtEnd(d.ref, v.C, C.uint64_t(offset), diVarInfo.C, expr.C, bb.C)
+	return Value{C: result}
+}
+
 func boolToCInt(v bool) C.int {
 	if v {
 		return 1
-- 
1.8.3.1