From f75370310c097cde2fce5d980398ecef8f48b633 Mon Sep 17 00:00:00 2001
From: Arthur Eubanks <aeubanks@google.com>
Date: Mon, 30 Oct 2023 09:24:18 -0700
Subject: [PATCH] [X86] Print 'l' section flag for SHF_X86_64_LARGE (#70380)

When directly compiling to an object file we properly set the section
flag, but not when emitting assembly.
---
 llvm/lib/MC/MCSectionELF.cpp | 3 +++
 llvm/test/MC/ELF/section.s   | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/llvm/lib/MC/MCSectionELF.cpp b/llvm/lib/MC/MCSectionELF.cpp
index 666252ffcb74..95fdf3352207 100644
--- a/llvm/lib/MC/MCSectionELF.cpp
+++ b/llvm/lib/MC/MCSectionELF.cpp
@@ -123,6 +123,9 @@ void MCSectionELF::printSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
   } else if (Arch == Triple::hexagon) {
     if (Flags & ELF::SHF_HEX_GPREL)
       OS << 's';
+  } else if (Arch == Triple::x86_64) {
+    if (Flags & ELF::SHF_X86_64_LARGE)
+      OS << 'l';
   }
 
   OS << '"';
diff --git a/llvm/test/MC/ELF/section.s b/llvm/test/MC/ELF/section.s
index 3a6d046821f4..8c625256a276 100644
--- a/llvm/test/MC/ELF/section.s
+++ b/llvm/test/MC/ELF/section.s
@@ -269,6 +269,8 @@ bar:
 // CHECK-NEXT:     ]
 
 .section .large,"l"
+// ASM: .section .large,"l"
+
 // CHECK:        Section {
 // CHECK:          Name: .large
 // CHECK-NEXT:     Type: SHT_PROGBITS