From 1659ba158c4af4aacf1d331c33ebb7274c55386d Mon Sep 17 00:00:00 2001
From: Andrei Safronov <safronov@espressif.com>
Date: Mon, 3 Aug 2020 16:24:44 +0300
Subject: [PATCH] [Xtensa] Correct visibility of the Xtensa backend initialize
 functions.

Make backend initialize functions public and visible outside library.

Closes #31
---
 llvm/lib/Target/Xtensa/AsmParser/XtensaAsmParser.cpp       | 2 +-
 llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp | 2 +-
 llvm/lib/Target/Xtensa/TargetInfo/XtensaTargetInfo.cpp     | 2 +-
 llvm/lib/Target/Xtensa/XtensaAsmPrinter.cpp                | 2 +-
 llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp             | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/llvm/lib/Target/Xtensa/AsmParser/XtensaAsmParser.cpp b/llvm/lib/Target/Xtensa/AsmParser/XtensaAsmParser.cpp
index d076fe9bbc055..526687595e51a 100644
--- a/llvm/lib/Target/Xtensa/AsmParser/XtensaAsmParser.cpp
+++ b/llvm/lib/Target/Xtensa/AsmParser/XtensaAsmParser.cpp
@@ -1074,6 +1074,6 @@ bool XtensaAsmParser::checkRegister(unsigned RegNo) {
 }
 
 // Force static initialization.
-extern "C" void LLVMInitializeXtensaAsmParser() {
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXtensaAsmParser() {
   RegisterMCAsmParser<XtensaAsmParser> X(TheXtensaTarget);
 }
diff --git a/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp b/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
index 365bf24e8379c..dddf39c71f838 100644
--- a/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
+++ b/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
@@ -78,7 +78,7 @@ createXtensaObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
   return new XtensaTargetELFStreamer(S);
 }
 
-extern "C" void LLVMInitializeXtensaTargetMC() {
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXtensaTargetMC() {
   // Register the MCAsmInfo.
   TargetRegistry::RegisterMCAsmInfo(TheXtensaTarget, createXtensaMCAsmInfo);
 
diff --git a/llvm/lib/Target/Xtensa/TargetInfo/XtensaTargetInfo.cpp b/llvm/lib/Target/Xtensa/TargetInfo/XtensaTargetInfo.cpp
index 3bd9071b6ddac..cc2df214415f9 100644
--- a/llvm/lib/Target/Xtensa/TargetInfo/XtensaTargetInfo.cpp
+++ b/llvm/lib/Target/Xtensa/TargetInfo/XtensaTargetInfo.cpp
@@ -14,7 +14,7 @@ using namespace llvm;
 namespace llvm {
 Target TheXtensaTarget;
 }
-extern "C" void LLVMInitializeXtensaTargetInfo() {
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXtensaTargetInfo() {
   RegisterTarget<Triple::xtensa> X(TheXtensaTarget, "xtensa", "Xtensa 32",
                                    "XTENSA");
 }
diff --git a/llvm/lib/Target/Xtensa/XtensaAsmPrinter.cpp b/llvm/lib/Target/Xtensa/XtensaAsmPrinter.cpp
index be0cc080fdf6f..3f01b6de53254 100644
--- a/llvm/lib/Target/Xtensa/XtensaAsmPrinter.cpp
+++ b/llvm/lib/Target/Xtensa/XtensaAsmPrinter.cpp
@@ -271,6 +271,6 @@ void XtensaAsmPrinter::printMemOperand(const MachineInstr *MI, int opNum,
 }
 
 // Force static initialization.
-extern "C" void LLVMInitializeXtensaAsmPrinter() {
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXtensaAsmPrinter() {
   RegisterAsmPrinter<XtensaAsmPrinter> A(TheXtensaTarget);
 }
diff --git a/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp b/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
index c195d82049a5d..710cae7421e1a 100644
--- a/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
+++ b/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
@@ -23,7 +23,7 @@
 
 using namespace llvm;
 
-extern "C" void LLVMInitializeXtensaTarget() {
+extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeXtensaTarget() {
   // Register the target.
   RegisterTargetMachine<XtensaTargetMachine> A(TheXtensaTarget);
 }