From 4c8fabc7de30e17ef116b8f413f3a973c29cb56c Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Wed, 22 Feb 2017 16:10:21 +0100
Subject: llvm: stop using global context

It was marked as deprecated long time ago and finally removed in LLVM
3.9. Remove all uses of getGlobalContext and create our own context.
Propagate it all over the code then.

[v2] use ctx, not C as name

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
---
 lib/Core/ExternalDispatcher.cpp | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

(limited to 'lib/Core/ExternalDispatcher.cpp')

diff --git a/lib/Core/ExternalDispatcher.cpp b/lib/Core/ExternalDispatcher.cpp
index ecc9912e..01c5f935 100644
--- a/lib/Core/ExternalDispatcher.cpp
+++ b/lib/Core/ExternalDispatcher.cpp
@@ -85,8 +85,8 @@ void *ExternalDispatcher::resolveSymbol(const std::string &name) {
   return addr;
 }
 
-ExternalDispatcher::ExternalDispatcher() {
-  dispatchModule = new Module("ExternalDispatcher", getGlobalContext());
+ExternalDispatcher::ExternalDispatcher(LLVMContext &ctx) {
+  dispatchModule = new Module("ExternalDispatcher", ctx);
 
   std::string error;
   executionEngine = ExecutionEngine::createJIT(dispatchModule, &error);
@@ -195,6 +195,7 @@ Function *ExternalDispatcher::createDispatcher(Function *target, Instruction *in
   if (!resolveSymbol(target->getName()))
     return 0;
 
+  LLVMContext &ctx = target->getContext();
   CallSite cs;
   if (inst->getOpcode()==Instruction::Call) {
     cs = CallSite(cast<CallInst>(inst));
@@ -206,20 +207,20 @@ Function *ExternalDispatcher::createDispatcher(Function *target, Instruction *in
 
   std::vector<LLVM_TYPE_Q Type*> nullary;
   
-  Function *dispatcher = Function::Create(FunctionType::get(Type::getVoidTy(getGlobalContext()), 
+  Function *dispatcher = Function::Create(FunctionType::get(Type::getVoidTy(ctx),
 							    nullary, false),
 					  GlobalVariable::ExternalLinkage, 
 					  "",
 					  dispatchModule);
 
 
-  BasicBlock *dBB = BasicBlock::Create(getGlobalContext(), "entry", dispatcher);
+  BasicBlock *dBB = BasicBlock::Create(ctx, "entry", dispatcher);
 
   // Get a Value* for &gTheArgsP, as an i64**.
   Instruction *argI64sp = 
-    new IntToPtrInst(ConstantInt::get(Type::getInt64Ty(getGlobalContext()), 
+    new IntToPtrInst(ConstantInt::get(Type::getInt64Ty(ctx),
                                       (uintptr_t) (void*) &gTheArgsP),
-                     PointerType::getUnqual(PointerType::getUnqual(Type::getInt64Ty(getGlobalContext()))),
+                     PointerType::getUnqual(PointerType::getUnqual(Type::getInt64Ty(ctx))),
                      "argsp", dBB);
   Instruction *argI64s = new LoadInst(argI64sp, "args", dBB); 
   
@@ -238,8 +239,7 @@ Function *ExternalDispatcher::createDispatcher(Function *target, Instruction *in
                                (*ai)->getType());
     Instruction *argI64p = 
       GetElementPtrInst::Create(argI64s, 
-                                ConstantInt::get(Type::getInt32Ty(getGlobalContext()), 
-                                                 idx), 
+                                ConstantInt::get(Type::getInt32Ty(ctx), idx),
                                 "", dBB);
 
     Instruction *argp = new BitCastInst(argI64p, PointerType::getUnqual(argTy),
@@ -260,14 +260,14 @@ Function *ExternalDispatcher::createDispatcher(Function *target, Instruction *in
 #else
   Instruction *result = CallInst::Create(dispatchTarget, args, args+i, "", dBB);
 #endif
-  if (result->getType() != Type::getVoidTy(getGlobalContext())) {
+  if (result->getType() != Type::getVoidTy(ctx)) {
     Instruction *resp = 
       new BitCastInst(argI64s, PointerType::getUnqual(result->getType()), 
                       "", dBB);
     new StoreInst(result, resp, dBB);
   }
 
-  ReturnInst::Create(getGlobalContext(), dBB);
+  ReturnInst::Create(ctx, dBB);
 
   delete[] args;
 
-- 
cgit 1.4.1