From 609f8c013c0b68ee051294f3e7ad6786d83bafac Mon Sep 17 00:00:00 2001
From: Sriraman Tallam <tmsriram@google.com>
Date: Fri, 23 Feb 2018 21:32:06 +0000
Subject: Intrinsics calls should avoid the PLT when "RtLibUseGOT" metadata is
 present.

Differential Revision: https://reviews.llvm.org/D42216

llvm-svn: 325962
---
 llvm/lib/IR/Module.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

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

diff --git a/llvm/lib/IR/Module.cpp b/llvm/lib/IR/Module.cpp
index c230a500..9f1e609 100644
--- a/llvm/lib/IR/Module.cpp
+++ b/llvm/lib/IR/Module.cpp
@@ -510,6 +510,15 @@ void Module::setOwnedMemoryBuffer(std::unique_ptr<MemoryBuffer> MB) {
   OwnedMemoryBuffer = std::move(MB);
 }
 
+bool Module::getRtLibUseGOT() const {
+  auto *Val = cast_or_null<ConstantAsMetadata>(getModuleFlag("RtLibUseGOT"));
+  return Val && (cast<ConstantInt>(Val->getValue())->getZExtValue() > 0);
+}
+
+void Module::setRtLibUseGOT() {
+  addModuleFlag(ModFlagBehavior::Max, "RtLibUseGOT", 1);
+}
+
 GlobalVariable *llvm::collectUsedGlobalVariables(
     const Module &M, SmallPtrSetImpl<GlobalValue *> &Set, bool CompilerUsed) {
   const char *Name = CompilerUsed ? "llvm.compiler.used" : "llvm.used";
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