0074-Xtensa-Initialize-MCSubtargetInfo-with-esp32.patch

From fb89a20d119730168cc27cfa8337719c06fbcdaa Mon Sep 17 00:00:00 2001
From: Andrei Safronov <safronov@espressif.com>
Date: Wed, 5 Apr 2023 00:59:15 +0300
Subject: [PATCH 074/158] [Xtensa] Initialize MCSubtargetInfo with esp32.

Initialize Xtensa MCSubtargetInfo with esp32 subtarget by default.
---
 llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp b/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
index 8832cdf7dc01..ffb26e566709 100644
--- a/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
+++ b/llvm/lib/Target/Xtensa/MCTargetDesc/XtensaMCTargetDesc.cpp
@@ -65,6 +65,8 @@ static MCRegisterInfo *createXtensaMCRegisterInfo(const Triple &TT) {
 
 static MCSubtargetInfo *
 createXtensaMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
+  if (CPU.empty())
+    CPU = "esp32";
   return createXtensaMCSubtargetInfoImpl(TT, CPU, CPU, FS);
 }
  
-- 
2.40.1