https://github.com/anematode created https://github.com/llvm/llvm-project/pull/149745
Fixes https://github.com/llvm/llvm-project/issues/144857 . I can create a test if desired, but I think the fix is trivial enough. <img width="805" height="105" alt="image" src="https://github.com/user-attachments/assets/aaee8e5f-6e65-4f04-b8b9-e4ae1434d958" /> >From d36dcec834f1846f050b89650b31bee4e138ddc3 Mon Sep 17 00:00:00 2001 From: Timothy Herchen <timothy.herc...@gmail.com> Date: Sun, 20 Jul 2025 16:11:22 -0700 Subject: [PATCH] [clang] [Sema] Check argument range for prefetchi* intrinsics --- clang/lib/Sema/SemaX86.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/clang/lib/Sema/SemaX86.cpp b/clang/lib/Sema/SemaX86.cpp index 5c149bdec7073..6bb3558972126 100644 --- a/clang/lib/Sema/SemaX86.cpp +++ b/clang/lib/Sema/SemaX86.cpp @@ -954,6 +954,11 @@ bool SemaX86::CheckBuiltinFunctionCall(const TargetInfo &TI, unsigned BuiltinID, l = 0; u = 15; break; + case X86::BI__builtin_ia32_prefetchi: + i = 1; + l = 2; // _MM_HINT_T1 + u = 3; // _MM_HINT_T0 + break; } // Note that we don't force a hard error on the range check here, allowing _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits