Author: Daniel Hoekwater Date: 2023-09-06T20:59:20Z New Revision: 776e3b052738a76518da1f4800a114f3733c35b0
URL: https://github.com/llvm/llvm-project/commit/776e3b052738a76518da1f4800a114f3733c35b0 DIFF: https://github.com/llvm/llvm-project/commit/776e3b052738a76518da1f4800a114f3733c35b0.diff LOG: [clang] Add clang support for Machine Function Splitting on AArch64 On x86 targets, -fsplit-machine-functions enables splitting of machine functions using profile information. This patch rolls out the flag for AArch64 targets. Depends on D158647 Differential Revision: https://reviews.llvm.org/D157157 Added: Modified: clang/lib/Driver/ToolChains/Clang.cpp clang/test/Driver/fsplit-machine-functions.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index da5edda6b385bc6..531677e92f73252 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -5878,8 +5878,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (Arg *A = Args.getLastArg(options::OPT_fsplit_machine_functions, options::OPT_fno_split_machine_functions)) { if (!A->getOption().matches(options::OPT_fno_split_machine_functions)) { - // This codegen pass is only available on x86-elf targets. - if (Triple.isX86() && Triple.isOSBinFormatELF()) + // This codegen pass is only available on x86 and AArch64 ELF targets. + if ((Triple.isX86() || Triple.isAArch64()) && Triple.isOSBinFormatELF()) A->render(Args, CmdArgs); else D.Diag(diag::err_drv_unsupported_opt_for_target) diff --git a/clang/test/Driver/fsplit-machine-functions.c b/clang/test/Driver/fsplit-machine-functions.c index abd722c0e2392b0..02bab476e831d69 100644 --- a/clang/test/Driver/fsplit-machine-functions.c +++ b/clang/test/Driver/fsplit-machine-functions.c @@ -1,4 +1,5 @@ // RUN: %clang -### --target=x86_64 -fprofile-use=default.profdata -fsplit-machine-functions %s 2>&1 | FileCheck %s --check-prefixes=CHECK,LTO-NEG +// RUN: %clang -### --target=aarch64 -fprofile-use=default.profdata -fsplit-machine-functions %s 2>&1 | FileCheck %s --check-prefixes=CHECK,LTO-NEG // RUN: %clang -### --target=x86_64 -fprofile-use=default.profdata -fsplit-machine-functions -fno-split-machine-functions %s -c 2>&1 | FileCheck -check-prefix=NEG %s // CHECK: "-fsplit-machine-functions" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
