[PATCH] D157157: [clang] Add clang support for Machine Function Splitting on AArch64

[Daniel Hoekwater via Phabricator via cfe-commits]

dhoekwater updated this revision to Diff 554082.
dhoekwater added a comment.

Rebase onto main


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D157157/new/

https://reviews.llvm.org/D157157

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/fsplit-machine-functions.c


Index: clang/test/Driver/fsplit-machine-functions.c
===================================================================
--- clang/test/Driver/fsplit-machine-functions.c
+++ 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"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -5872,8 +5872,8 @@
   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)



Index: clang/test/Driver/fsplit-machine-functions.c
===================================================================
--- clang/test/Driver/fsplit-machine-functions.c
+++ 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"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -5872,8 +5872,8 @@
   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)

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