[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 547884.

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
@@ -1,8 +1,10 @@
 // RUN: %clang -### -target x86_64 -fprofile-use=default.profdata -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
 // RUN: %clang -### -target x86_64 -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
 // RUN: %clang -### -target x86_64 -fprofile-use=default.profdata -fsplit-machine-functions -fno-split-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-NOOPT %s
+// RUN: %clang -### -target aarch64-unknown-linux -fprofile-use=default.profdata -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-AARCH64 %s
 // RUN: not %clang -c -target arm-unknown-linux -fsplit-machine-functions %s 2>&1 | FileCheck -check-prefix=CHECK-TRIPLE %s
 
 // CHECK-OPT:       "-fsplit-machine-functions"
 // CHECK-NOOPT-NOT: "-fsplit-machine-functions"
+// CHECK-AARCH64:   "-fsplit-machine-functions"
 // CHECK-TRIPLE:    error: unsupported option '-fsplit-machine-functions' for target
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -5849,8 +5849,8 @@
 
   if (Arg *A = Args.getLastArg(options::OPT_fsplit_machine_functions,
                                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 Arm ELF targets.
+    if ((Triple.isX86() || Triple.isAArch64()) && Triple.isOSBinFormatELF()) {
       if (A->getOption().matches(options::OPT_fsplit_machine_functions))
         A->render(Args, CmdArgs);
     } else {


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