From 71d5a2540a98c81f5bcaeb48805e0e2881f530ef Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 16 Apr 2017 16:01:22 +0000
Subject: Vendor import of llvm trunk r300422:
 https://llvm.org/svn/llvm-project/llvm/trunk@300422

---
 include/llvm/CodeGen/MachineModuleInfoImpls.h | 29 +++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'include/llvm/CodeGen/MachineModuleInfoImpls.h')

diff --git a/include/llvm/CodeGen/MachineModuleInfoImpls.h b/include/llvm/CodeGen/MachineModuleInfoImpls.h
index f9fa6999073f..f28a79c5b5cc 100644
--- a/include/llvm/CodeGen/MachineModuleInfoImpls.h
+++ b/include/llvm/CodeGen/MachineModuleInfoImpls.h
@@ -15,7 +15,9 @@
 #ifndef LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
 #define LLVM_CODEGEN_MACHINEMODULEINFOIMPLS_H
 
+#include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/Support/Wasm.h"
 
 namespace llvm {
 class MCSymbol;
@@ -75,6 +77,33 @@ public:
   SymbolListTy GetGVStubList() { return getSortedStubs(GVStubs); }
 };
 
+/// MachineModuleInfoWasm - This is a MachineModuleInfoImpl implementation
+/// for Wasm targets.
+class MachineModuleInfoWasm : public MachineModuleInfoImpl {
+  /// WebAssembly global variables defined by CodeGen.
+  std::vector<wasm::Global> Globals;
+
+  /// The WebAssembly global variable which is the stack pointer.
+  unsigned StackPointerGlobal;
+
+  virtual void anchor(); // Out of line virtual method.
+public:
+  MachineModuleInfoWasm(const MachineModuleInfo &)
+    : StackPointerGlobal(-1U) {}
+
+  void addGlobal(const wasm::Global &G) { Globals.push_back(G); }
+  const std::vector<wasm::Global> &getGlobals() const { return Globals; }
+
+  bool hasStackPointerGlobal() const {
+    return StackPointerGlobal != -1U;
+  }
+  unsigned getStackPointerGlobal() const {
+    assert(hasStackPointerGlobal() && "Stack ptr global hasn't been set");
+    return StackPointerGlobal;
+  }
+  void setStackPointerGlobal(unsigned Global) { StackPointerGlobal = Global; }
+};
+
 } // end namespace llvm
 
 #endif
-- 
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