https://github.com/dongjianqiang2 updated
https://github.com/llvm/llvm-project/pull/73223
>From 5742f71b9077a038cfefe4c74290d7e9d2f42d3f Mon Sep 17 00:00:00 2001
From: dong jianqiang <dongjianqia...@huawei.com>
Date: Thu, 23 Nov 2023 16:58:11 +0800
Subject: [PATCH] [Driver][MachineOutliner] Support outlining option with LTO
for aarch64_be
This patch propagates the -moutline option when target is aarch64_be,
fix warning: 'aarch64_be' does not support '-moutline'; flag ignored
[-Woption-ignored]
---
clang/lib/Driver/ToolChains/CommonArgs.cpp | 3 ++-
clang/test/Driver/aarch64-outliner.c | 2 ++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp
b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 5d2cd1959b06925..078f2ff80a21939 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -2436,7 +2436,8 @@ void tools::addMachineOutlinerArgs(const Driver &D,
// Otherwise, add the proper mllvm flags.
if (!(Triple.isARM() || Triple.isThumb() ||
Triple.getArch() == llvm::Triple::aarch64 ||
- Triple.getArch() == llvm::Triple::aarch64_32)) {
+ Triple.getArch() == llvm::Triple::aarch64_32 ||
+ Triple.getArch() == llvm::Triple::aarch64_be)) {
D.Diag(diag::warn_drv_moutline_unsupported_opt) <<
Triple.getArchName();
} else {
addArg(Twine("-enable-machine-outliner"));
diff --git a/clang/test/Driver/aarch64-outliner.c
b/clang/test/Driver/aarch64-outliner.c
index 42e43b433e282d3..06e5de11ec49ecd 100644
--- a/clang/test/Driver/aarch64-outliner.c
+++ b/clang/test/Driver/aarch64-outliner.c
@@ -1,7 +1,9 @@
// REQUIRES: aarch64-registered-target
// RUN: %clang --target=aarch64 -moutline -S %s -### 2>&1 | FileCheck %s
-check-prefix=ON
+// RUN: %clang --target=aarch64_be -moutline -S %s -### 2>&1 | FileCheck %s
-check-prefix=ON
// ON: "-mllvm" "-enable-machine-outliner"
// RUN: %clang --target=aarch64 -moutline -mno-outline -S %s -### 2>&1 |
FileCheck %s -check-prefix=OFF
+// RUN: %clang --target=aarch64_be -moutline -mno-outline -S %s -### 2>&1 |
FileCheck %s -check-prefix=OFF
// OFF: "-mllvm" "-enable-machine-outliner=never"
// RUN: %clang --target=x86_64 -moutline -S %s -### 2>&1 | FileCheck %s
-check-prefix=WARN
// WARN: warning: 'x86_64' does not support '-moutline'; flag ignored
[-Woption-ignored]
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