commit 03b42e41bf4bdd9ab05ea4c6905bae5d19971960
author Mehdi Amini <mehdi.amini@apple.com> Thu Apr 14 21:59:01 2016 +0000
committer Mehdi Amini <mehdi.amini@apple.com> Thu Apr 14 21:59:01 2016 +0000
tree d4249845a564b11af673299653e7c4e876d8c4f2
parent 3d1c1deb04efe0022f11ebc18bb43d7341ba0c75

Remove every uses of getGlobalContext() in LLVM (but the C API)

At the same time, fixes InstructionsTest::CastInst unittest: yes
you can leave the IR in an invalid state and exit when you don't
destroy the context (like the global one), no longer now.

This is the first part of http://reviews.llvm.org/D19094

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 266379

llvm/docs/tutorial/LangImpl5.rst

diff --git a/llvm/docs/tutorial/LangImpl5.rst b/llvm/docs/tutorial/LangImpl5.rst
index e4dc8ab..eb76e66 100644
--- a/llvm/docs/tutorial/LangImpl5.rst
+++ b/llvm/docs/tutorial/LangImpl5.rst
@@ -292,7 +292,7 @@
 
       // Convert condition to a bool by comparing equal to 0.0.
       CondV = Builder.CreateFCmpONE(
-          CondV, ConstantFP::get(getGlobalContext(), APFloat(0.0)), "ifcond");
+          CondV, ConstantFP::get(LLVMContext, APFloat(0.0)), "ifcond");
 
 This code is straightforward and similar to what we saw before. We emit
 the expression for the condition, then compare that value to zero to get
@@ -305,9 +305,9 @@
       // Create blocks for the then and else cases.  Insert the 'then' block at the
       // end of the function.
       BasicBlock *ThenBB =
-          BasicBlock::Create(getGlobalContext(), "then", TheFunction);
-      BasicBlock *ElseBB = BasicBlock::Create(getGlobalContext(), "else");
-      BasicBlock *MergeBB = BasicBlock::Create(getGlobalContext(), "ifcont");
+          BasicBlock::Create(LLVMContext, "then", TheFunction);
+      BasicBlock *ElseBB = BasicBlock::Create(LLVMContext, "else");
+      BasicBlock *MergeBB = BasicBlock::Create(LLVMContext, "ifcont");
 
       Builder.CreateCondBr(CondV, ThenBB, ElseBB);
 
@@ -400,7 +400,7 @@
       TheFunction->getBasicBlockList().push_back(MergeBB);
       Builder.SetInsertPoint(MergeBB);
       PHINode *PN =
-        Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()), 2, "iftmp");
+        Builder.CreatePHI(Type::getDoubleTy(LLVMContext), 2, "iftmp");
 
       PN->addIncoming(ThenV, ThenBB);
       PN->addIncoming(ElseV, ElseBB);
@@ -625,7 +625,7 @@
       Function *TheFunction = Builder.GetInsertBlock()->getParent();
       BasicBlock *PreheaderBB = Builder.GetInsertBlock();
       BasicBlock *LoopBB =
-          BasicBlock::Create(getGlobalContext(), "loop", TheFunction);
+          BasicBlock::Create(LLVMContext, "loop", TheFunction);
 
       // Insert an explicit fall through from the current block to the LoopBB.
       Builder.CreateBr(LoopBB);
@@ -642,7 +642,7 @@
       Builder.SetInsertPoint(LoopBB);
 
       // Start the PHI node with an entry for Start.
-      PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(getGlobalContext()),
+      PHINode *Variable = Builder.CreatePHI(Type::getDoubleTy(LLVMContext),
                                             2, VarName.c_str());
       Variable->addIncoming(StartVal, PreheaderBB);
 
@@ -693,7 +693,7 @@
           return nullptr;
       } else {
         // If not specified, use 1.0.
-        StepVal = ConstantFP::get(getGlobalContext(), APFloat(1.0));
+        StepVal = ConstantFP::get(LLVMContext, APFloat(1.0));
       }
 
       Value *NextVar = Builder.CreateFAdd(Variable, StepVal, "nextvar");
@@ -712,7 +712,7 @@
 
       // Convert condition to a bool by comparing equal to 0.0.
       EndCond = Builder.CreateFCmpONE(
-          EndCond, ConstantFP::get(getGlobalContext(), APFloat(0.0)), "loopcond");
+          EndCond, ConstantFP::get(LLVMContext, APFloat(0.0)), "loopcond");
 
 Finally, we evaluate the exit value of the loop, to determine whether
 the loop should exit. This mirrors the condition evaluation for the
@@ -723,7 +723,7 @@
       // Create the "after loop" block and insert it.
       BasicBlock *LoopEndBB = Builder.GetInsertBlock();
       BasicBlock *AfterBB =
-          BasicBlock::Create(getGlobalContext(), "afterloop", TheFunction);
+          BasicBlock::Create(LLVMContext, "afterloop", TheFunction);
 
       // Insert the conditional branch into the end of LoopEndBB.
       Builder.CreateCondBr(EndCond, LoopBB, AfterBB);
@@ -751,7 +751,7 @@
         NamedValues.erase(VarName);
 
       // for expr always returns 0.0.
-      return Constant::getNullValue(Type::getDoubleTy(getGlobalContext()));
+      return Constant::getNullValue(Type::getDoubleTy(LLVMContext));
     }
 
 The final code handles various cleanups: now that we have the "NextVar"