[Driver] Support -fsanitize=cfi-icall on loongarch64 (#67310)

Author: Ami-zhang

clang/lib/Driver/ToolChain.cpp

@@ -1319,7 +1319,8 @@ SanitizerMask ToolChain::getSupportedSanitizers() const {
   if (getTriple().getArch() == llvm::Triple::x86 ||
       getTriple().getArch() == llvm::Triple::x86_64 ||
       getTriple().getArch() == llvm::Triple::arm || getTriple().isWasm() ||
-      getTriple().isAArch64() || getTriple().isRISCV())
+      getTriple().isAArch64() || getTriple().isRISCV() ||
+      getTriple().isLoongArch64())
     Res |= SanitizerKind::CFIICall;
   if (getTriple().getArch() == llvm::Triple::x86_64 ||
       getTriple().isAArch64(64) || getTriple().isRISCV())

clang/test/Driver/fsanitize.c

@@ -600,6 +600,7 @@
 // RUN: %clang --target=aarch64_be -fvisibility=hidden -fsanitize=cfi -flto -resource-dir=%S/Inputs/resource_dir -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI
 // RUN: %clang --target=riscv32 -fvisibility=hidden -fsanitize=cfi -flto -resource-dir=%S/Inputs/resource_dir -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI
 // RUN: %clang --target=riscv64 -fvisibility=hidden -fsanitize=cfi -flto -resource-dir=%S/Inputs/resource_dir -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI
+// RUN: %clang --target=loongarch64 -fvisibility=hidden -fsanitize=cfi -flto -resource-dir=%S/Inputs/resource_dir -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-CFI
 // CHECK-CFI: -emit-llvm-bc{{.*}}-fsanitize=cfi-derived-cast,cfi-icall,cfi-mfcall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall
 // CHECK-CFI-NOMFCALL: -emit-llvm-bc{{.*}}-fsanitize=cfi-derived-cast,cfi-icall,cfi-unrelated-cast,cfi-nvcall,cfi-vcall
 // CHECK-CFI-DCAST: -emit-llvm-bc{{.*}}-fsanitize=cfi-derived-cast