From de48a5ddab36b054c45f031576470ad2732ac323 Mon Sep 17 00:00:00 2001
From: Balint Cristian <cristian.balint@gmail.com>
Date: Mon, 12 May 2025 14:10:30 +0300
Subject: [PATCH] [FFI][LLVM] Fix compilation errors with clang20

---
 ffi/include/tvm/ffi/string.h        | 2 +-
 src/target/llvm/intrin_rule_llvm.cc | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/ffi/include/tvm/ffi/string.h b/ffi/include/tvm/ffi/string.h
index e0fa7dad8a42..44491f800b03 100644
--- a/ffi/include/tvm/ffi/string.h
+++ b/ffi/include/tvm/ffi/string.h
@@ -210,7 +210,7 @@ class Bytes : public ObjectRef {
  */
 class String : public ObjectRef {
  public:
-  String(nullptr_t) = delete;  // NOLINT(*)
+  String(std::nullptr_t) = delete;  // NOLINT(*)
 
   /*!
    * \brief constructor from char [N]
diff --git a/src/target/llvm/intrin_rule_llvm.cc b/src/target/llvm/intrin_rule_llvm.cc
index bb3620a2dee9..0f05ff8fda4d 100644
--- a/src/target/llvm/intrin_rule_llvm.cc
+++ b/src/target/llvm/intrin_rule_llvm.cc
@@ -25,6 +25,8 @@
 #include "intrin_rule_llvm.h"
 
 #include <llvm/IR/Intrinsics.h>
+#define _USE_MATH_DEFINES
+#include <math.h>
 #include <tvm/tir/op.h>
 #include <tvm/tir/op_attr_types.h>