[Clang][RISCV] Loosen the requirement of -fcf-protection return to zimop

Author: jaidTw

clang/lib/Basic/Targets/RISCV.h

@@ -147,7 +147,7 @@ class RISCVTargetInfo : public TargetInfo {
 
   bool
   checkCFProtectionReturnSupported(DiagnosticsEngine &Diags) const override {
-    if (ISAInfo->hasExtension("zicfiss"))
+    if (ISAInfo->hasExtension("zimop"))
       return true;
     return TargetInfo::checkCFProtectionReturnSupported(Diags);
   }

clang/test/CodeGen/RISCV/attr-hw-shadow-stack.c

@@ -1,7 +1,7 @@
-// RUN: %clang_cc1 -triple riscv64 -target-feature +experimental-zicfiss -emit-llvm -o - %s -fcf-protection=return | FileCheck %s
-// RUN: %clang_cc1 -triple riscv64 -target-feature +experimental-zicfiss -emit-llvm -o - %s | FileCheck -check-prefix=NOSHADOWSTACK %s
-// RUN: %clang_cc1 -triple riscv32 -target-feature +experimental-zicfiss -emit-llvm -o - %s -fcf-protection=return | FileCheck %s
-// RUN: %clang_cc1 -triple riscv32 -target-feature +experimental-zicfiss -emit-llvm -o - %s | FileCheck -check-prefix=NOSHADOWSTACK %s
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zimop -emit-llvm -o - %s -fcf-protection=return | FileCheck %s
+// RUN: %clang_cc1 -triple riscv64 -target-feature +zimop -emit-llvm -o - %s | FileCheck -check-prefix=NOSHADOWSTACK %s
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zimop -emit-llvm -o - %s -fcf-protection=return | FileCheck %s
+// RUN: %clang_cc1 -triple riscv32 -target-feature +zimop -emit-llvm -o - %s | FileCheck -check-prefix=NOSHADOWSTACK %s
 
 int foo(int *a) { return *a; }