Author: Timm Baeder Date: 2026-03-23T14:56:09+01:00 New Revision: 40f0b312e3b7ab48fbd91360d892cc28e4baba6b
URL: https://github.com/llvm/llvm-project/commit/40f0b312e3b7ab48fbd91360d892cc28e4baba6b DIFF: https://github.com/llvm/llvm-project/commit/40f0b312e3b7ab48fbd91360d892cc28e4baba6b.diff LOG: [clang][bytecode] Disable tail calls on MSVC and PPC (#188033) Disable tail calls on MSVC and PPC. Added: Modified: clang/lib/AST/ByteCode/Interp.cpp Removed: ################################################################################ diff --git a/clang/lib/AST/ByteCode/Interp.cpp b/clang/lib/AST/ByteCode/Interp.cpp index 6e7a60d5e4332..fc783fe4ec871 100644 --- a/clang/lib/AST/ByteCode/Interp.cpp +++ b/clang/lib/AST/ByteCode/Interp.cpp @@ -37,7 +37,10 @@ using namespace clang::interp; #endif // On MSVC, musttail does not guarantee tail calls in debug mode. -#if (defined(_MSC_VER) && defined(_DEBUG)) || !defined(MUSTTAIL) +// We disable it on MSVC generally since it doesn't seem to be able +// to handle the way we use tailcalls. +// PPC can't tail-call external calls, which is a problem for InterpNext. +#if defined(_MSC_VER) || defined(_ARCH_PPC) || !defined(MUSTTAIL) #define MUSTTAIL #define USE_TAILCALLS 0 #else _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
