From 3dfa975fb36fda1d8cff700d4251db330c83bfa3 Mon Sep 17 00:00:00 2001
From: diggerlin <digger.llvm@gmail.com>
Date: Fri, 15 Nov 2019 11:30:19 -0500
Subject: Add read-only data assembly writing for aix

SUMMARY:
The patch will emit read-only variable assembly code for aix.

Reviewers: daltenty,Xiangling_Liao
Subscribers: rupprecht, seiyai,hiraditya

Differential Revision: https://reviews.llvm.org/D70182
---
 llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')

diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index f941b98890c9..2dc13e9a250e 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -1861,6 +1861,10 @@ MCSection *TargetLoweringObjectFileXCOFF::SelectSectionForGlobal(
   if (Kind.isBSS())
     return DataSection;
 
+  if (Kind.isReadOnly() && !Kind.isMergeableConst() &&
+      !Kind.isMergeableCString())
+    return ReadOnlySection;
+
   report_fatal_error("XCOFF other section types not yet implemented.");
 }
 
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