aot: Fix LLVMSetTailCallKind check (#3099)

Author: yamt

core/iwasm/compilation/aot_llvm.c

@@ -533,18 +533,12 @@ aot_add_precheck_function(AOTCompContext *comp_ctx, LLVMModuleRef module,
     }
     wasm_runtime_free(params);
     params = NULL;
-
-#if LLVM_VERSION_MAJOR < 17
     if (aot_target_precheck_can_use_musttail(comp_ctx)) {
         LLVMSetTailCallKind(retval, LLVMTailCallKindMustTail);
     }
     else {
         LLVMSetTailCallKind(retval, LLVMTailCallKindTail);
     }
-#else
-    LLVMSetTailCall(retval, true);
-#endif
-
     if (ret_type == VOID_TYPE) {
         if (!LLVMBuildRetVoid(b)) {
             goto fail;

core/iwasm/compilation/aot_llvm_extra2.cpp

@@ -163,7 +163,7 @@ LLVMCreateTargetMachineWithOpts(LLVMTargetRef ctarget, const char *triple,
 }
 
 /* https://reviews.llvm.org/D153107 */
-#if LLVM_VERSION_MAJOR < 17
+#if LLVM_VERSION_MAJOR < 18
 using namespace llvm;
 
 LLVMTailCallKind

core/iwasm/compilation/aot_llvm_extra2.h

@@ -17,7 +17,7 @@ LLVMCreateTargetMachineWithOpts(LLVMTargetRef ctarget, const char *triple,
                                 const char *StackUsageOutput);
 
 /* https://reviews.llvm.org/D153107 */
-#if LLVM_VERSION_MAJOR < 17
+#if LLVM_VERSION_MAJOR < 18
 typedef enum {
     LLVMTailCallKindNone = 0,
     LLVMTailCallKindTail = 1,