https://github.com/pzhengqc updated https://github.com/llvm/llvm-project/pull/182350
>From 0f12f85a73c40b7e51efd1dc406a760a258ac966 Mon Sep 17 00:00:00 2001 From: Pengxuan Zheng <[email protected]> Date: Thu, 19 Feb 2026 11:30:31 -0800 Subject: [PATCH] [Multilib] Expose sanitizer flags as multilib flags for RISC-V This allows multilib selection based on sanitizer flags for RISC-V. --- clang/lib/Driver/ToolChain.cpp | 3 +++ clang/test/Driver/print-multi-selection-flags.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp index 0eee7f917d2b8..4add362562391 100644 --- a/clang/lib/Driver/ToolChain.cpp +++ b/clang/lib/Driver/ToolChain.cpp @@ -334,6 +334,9 @@ static void getRISCVMultilibFlags(const Driver &D, const llvm::Triple &Triple, Result.push_back("-march=" + (*ISAInfo)->toString()); Result.push_back(("-mabi=" + riscv::getRISCVABI(Args, Triple)).str()); + + for (const Arg *SanitizeArg : Args.filtered(options::OPT_fsanitize_EQ)) + Result.push_back(SanitizeArg->getAsString(Args)); } Multilib::flags_list diff --git a/clang/test/Driver/print-multi-selection-flags.c b/clang/test/Driver/print-multi-selection-flags.c index b1a0a29ec4180..36d39621600ed 100644 --- a/clang/test/Driver/print-multi-selection-flags.c +++ b/clang/test/Driver/print-multi-selection-flags.c @@ -86,6 +86,9 @@ // RUN: %clang -multi-lib-config=%S/Inputs/multilib/empty.yaml -print-multi-flags-experimental --target=aarch64-none-elf -mbig-endian | FileCheck --check-prefix=CHECK-BIG-ENDIAN %s // CHECK-BIG-ENDIAN: -mbig-endian +// RUN: %clang -multi-lib-config=%S/Inputs/multilib/empty.yaml -print-multi-flags-experimental --target=riscv64-none-elf -fsanitize=shadow-call-stack | FileCheck --check-prefix=CHECK-SANITIZE %s +// CHECK-SANITIZE: -fsanitize=shadow-call-stack + // RUN: %clang -multi-lib-config=%S/Inputs/multilib/empty.yaml -print-multi-flags-experimental --target=riscv32-none-elf -march=rv32g | FileCheck --check-prefix=CHECK-RV32 %s // CHECK-RV32: --target=riscv32-unknown-none-elf // CHECK-RV32: -mabi=ilp32d _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
