[Clang Interpreter] Initial patch for the constexpr interpreter
Summary:
This patch introduces the skeleton of the constexpr interpreter,
capable of evaluating a simple constexpr functions consisting of
if statements. The interpreter is described in more detail in the
RFC. Further patches will add more features.
Reviewers: Bigcheese, jfb, rsmith
Subscribers: bruno, uenoku, ldionne, Tyker, thegameg, tschuett, dexonsmith, mgorny, cfe-commits
Tags: #clang
Differential Revision: https://reviews.llvm.org/D64146
llvm-svn: 371834
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index f488ef7..e85fc88 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -12,6 +12,7 @@
#include "clang/AST/ASTContext.h"
#include "CXXABI.h"
+#include "Interp/Context.h"
#include "clang/AST/APValue.h"
#include "clang/AST/ASTMutationListener.h"
#include "clang/AST/ASTTypeTraits.h"
@@ -783,6 +784,13 @@
llvm_unreachable("Invalid CXXABI type!");
}
+interp::Context &ASTContext::getInterpContext() {
+ if (!InterpContext) {
+ InterpContext.reset(new interp::Context(*this));
+ }
+ return *InterpContext.get();
+}
+
static const LangASMap *getAddressSpaceMap(const TargetInfo &T,
const LangOptions &LOpts) {
if (LOpts.FakeAddressSpaceMap) {