From a8bda0b4a6eb454cb437105efc98c807bd5c4f6d Mon Sep 17 00:00:00 2001
From: Benji Smith <6193112+Benjins@users.noreply.github.com>
Date: Mon, 18 Mar 2024 09:58:22 -0400
Subject: [C API] Add accessors for function prefix and prologue data (#82193)

A test is added to echo.ll, and the echo.cpp part of llvm-c-test is
updated to clone a function's prefix and prologue.
---
 llvm/lib/IR/Core.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

(limited to 'llvm/lib/IR')

diff --git a/llvm/lib/IR/Core.cpp b/llvm/lib/IR/Core.cpp
index aacb163..023cabc 100644
--- a/llvm/lib/IR/Core.cpp
+++ b/llvm/lib/IR/Core.cpp
@@ -2422,6 +2422,38 @@ void LLVMSetGC(LLVMValueRef Fn, const char *GC) {
     F->clearGC();
 }
 
+LLVMValueRef LLVMGetPrefixData(LLVMValueRef Fn) {
+  Function *F = unwrap<Function>(Fn);
+  return wrap(F->getPrefixData());
+}
+
+LLVMBool LLVMHasPrefixData(LLVMValueRef Fn) {
+  Function *F = unwrap<Function>(Fn);
+  return F->hasPrefixData();
+}
+
+void LLVMSetPrefixData(LLVMValueRef Fn, LLVMValueRef prefixData) {
+  Function *F = unwrap<Function>(Fn);
+  Constant *prefix = unwrap<Constant>(prefixData);
+  F->setPrefixData(prefix);
+}
+
+LLVMValueRef LLVMGetPrologueData(LLVMValueRef Fn) {
+  Function *F = unwrap<Function>(Fn);
+  return wrap(F->getPrologueData());
+}
+
+LLVMBool LLVMHasPrologueData(LLVMValueRef Fn) {
+  Function *F = unwrap<Function>(Fn);
+  return F->hasPrologueData();
+}
+
+void LLVMSetPrologueData(LLVMValueRef Fn, LLVMValueRef prologueData) {
+  Function *F = unwrap<Function>(Fn);
+  Constant *prologue = unwrap<Constant>(prologueData);
+  F->setPrologueData(prologue);
+}
+
 void LLVMAddAttributeAtIndex(LLVMValueRef F, LLVMAttributeIndex Idx,
                              LLVMAttributeRef A) {
   unwrap<Function>(F)->addAttributeAtIndex(Idx, unwrap(A));
-- 
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