[llvm] [llvm] No DWARF CFI for UEFI (PR #138602)

[Prabhu Rajasekaran via llvm-commits]

https://github.com/Prabhuk created https://github.com/llvm/llvm-project/pull/138602

UEFI target uses WinCFI. Update emitEpilogue function to reflect this.


>From 6217281080ae09dfe50586ed61b9fe7f095c64ca Mon Sep 17 00:00:00 2001
From: prabhukr <prabhukr at google.com>
Date: Mon, 5 May 2025 22:18:53 +0000
Subject: [PATCH] [llvm] No DWARF CFI for UEFI

UEFI target uses WinCFI. Update emitEpilogue function to reflect this.
---
 llvm/lib/Target/X86/X86FrameLowering.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/X86/X86FrameLowering.cpp b/llvm/lib/Target/X86/X86FrameLowering.cpp
index b7374558604ec..7e960c6420d3b 100644
--- a/llvm/lib/Target/X86/X86FrameLowering.cpp
+++ b/llvm/lib/Target/X86/X86FrameLowering.cpp
@@ -2431,7 +2431,8 @@ void X86FrameLowering::emitEpilogue(MachineFunction &MF,
   uint64_t NumBytes = 0;
 
   bool NeedsDwarfCFI = (!MF.getTarget().getTargetTriple().isOSDarwin() &&
-                        !MF.getTarget().getTargetTriple().isOSWindows()) &&
+                        !MF.getTarget().getTargetTriple().isOSWindows() &&
+                        !MF.getTarget().getTargetTriple().isUEFI()) &&
                        MF.needsFrameMoves();
 
   Register ArgBaseReg;