From 9c2f792dceb626f57c577b02468562e1e84822f1 Mon Sep 17 00:00:00 2001
From: Youling Tang <tangyouling@loongson.cn>
Date: Tue, 18 Jul 2023 09:40:20 +0800
Subject: [PATCH] [fuzzer] Enable loongarch64

Enable fuzzer on loongarch64.

Reviewed By: SixWeining, xen0n, MaskRay

Differential Revision: https://reviews.llvm.org/D140601
---
 compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake | 2 +-
 compiler-rt/lib/fuzzer/FuzzerTracePC.cpp             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
index 70847d2..d14745e 100644
--- a/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
+++ b/compiler-rt/cmake/Modules/AllSupportedArchDefs.cmake
@@ -40,7 +40,7 @@ endif()
 
 if(OS_NAME MATCHES "Linux")
   set(ALL_FUZZER_SUPPORTED_ARCH ${X86} ${X86_64} ${ARM32} ${ARM64} ${S390X}
-      ${RISCV64})
+      ${RISCV64} ${LOONGARCH64})
 elseif (OS_NAME MATCHES "Windows")
   set(ALL_FUZZER_SUPPORTED_ARCH ${X86} ${X86_64})
 elseif(OS_NAME MATCHES "Android")
diff --git a/compiler-rt/lib/fuzzer/FuzzerTracePC.cpp b/compiler-rt/lib/fuzzer/FuzzerTracePC.cpp
index f12f7aa..7f4e8ef 100644
--- a/compiler-rt/lib/fuzzer/FuzzerTracePC.cpp
+++ b/compiler-rt/lib/fuzzer/FuzzerTracePC.cpp
@@ -149,8 +149,8 @@ inline ALWAYS_INLINE uintptr_t GetPreviousInstructionPc(uintptr_t PC) {
 ALWAYS_INLINE uintptr_t TracePC::GetNextInstructionPc(uintptr_t PC) {
 #if defined(__mips__)
   return PC + 8;
-#elif defined(__powerpc__) || defined(__sparc__) || defined(__arm__) || \
-    defined(__aarch64__)
+#elif defined(__powerpc__) || defined(__sparc__) || defined(__arm__) ||        \
+    defined(__aarch64__) || defined(__loongarch__)
   return PC + 4;
 #else
   return PC + 1;
-- 
2.7.4