From aa842896299b014dc1837f1a01dfccbd94242c84 Mon Sep 17 00:00:00 2001
From: Igor Kudrin <ikudrin@accesssoftek.com>
Date: Fri, 12 Feb 2021 14:28:22 +0700
Subject: [DebugInfo] Keep the DWARF64 flag in the module metadata

This allows the option to affect the LTO output. Module::Max helps to
generate debug info for all modules in the same format.

Differential Revision: https://reviews.llvm.org/D96597
---
 llvm/lib/IR/Module.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'llvm/lib/IR/Module.cpp')

diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
index b4f10e2..9395b2b 100644
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -509,6 +509,11 @@ unsigned Module::getDwarfVersion() const {
   return cast<ConstantInt>(Val->getValue())->getZExtValue();
 }
 
+bool Module::isDwarf64() const {
+  auto *Val = cast_or_null<ConstantAsMetadata>(getModuleFlag("DWARF64"));
+  return Val && cast<ConstantInt>(Val->getValue())->isOne();
+}
+
 unsigned Module::getCodeViewFlag() const {
   auto *Val = cast_or_null<ConstantAsMetadata>(getModuleFlag("CodeView"));
   if (!Val)
-- 
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