[llvm] [llvm] Handle CPI symbols for UEFI (PR #135652)

[Prabhu Rajasekaran via llvm-commits]

https://github.com/Prabhuk created https://github.com/llvm/llvm-project/pull/135652

UEFI targets besides MSVC environment must support constant pool
symbols.


>From 4dc4f82aeae93aaeda90d37ec6a763dccf8da73b Mon Sep 17 00:00:00 2001
From: prabhukr <prabhukr at google.com>
Date: Mon, 14 Apr 2025 17:59:47 +0000
Subject: [PATCH] [llvm] Handle CPI symbols for UEFI

UEFI targets besides MSVC environment must support constant pool
symbols.
---
 llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 743551822a8fc..c87c5e16f8f9c 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -4096,7 +4096,8 @@ const MCExpr *AsmPrinter::lowerBlockAddressConstant(const BlockAddress &BA) {
 
 /// GetCPISymbol - Return the symbol for the specified constant pool entry.
 MCSymbol *AsmPrinter::GetCPISymbol(unsigned CPID) const {
-  if (getSubtargetInfo().getTargetTriple().isWindowsMSVCEnvironment()) {
+  if (getSubtargetInfo().getTargetTriple().isWindowsMSVCEnvironment() ||
+      getSubtargetInfo().getTargetTriple().isUEFI()) {
     const MachineConstantPoolEntry &CPE =
         MF->getConstantPool()->getConstants()[CPID];
     if (!CPE.isMachineConstantPoolEntry()) {