[clang] b14f651 - [Driver] Default Generic_GCC aarch64_be to -fasynchronous-unwind-tables (#72971)

[via cfe-commits]

Author: dong jianqiang
Date: 2023-11-23T09:30:51+08:00
New Revision: b14f651caf4bb507753ffc94db8911bb2e2a7995

URL: https://github.com/llvm/llvm-project/commit/b14f651caf4bb507753ffc94db8911bb2e2a7995
DIFF: https://github.com/llvm/llvm-project/commit/b14f651caf4bb507753ffc94db8911bb2e2a7995.diff

LOG: [Driver] Default Generic_GCC aarch64_be to -fasynchronous-unwind-tables (#72971)

This patch defaults Generic_GCC aarch64_be to use
-fasynchronous-unwind-tables and ensures consistent behavior with
aarch64 little endian.

Added: 
    

Modified: 
    clang/lib/Driver/ToolChains/Gnu.cpp
    clang/test/Driver/aarch64-features.c

Removed: 
    


################################################################################
diff  --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 9fb99145d3b909e..b875991844ffff5 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2933,6 +2933,7 @@ ToolChain::UnwindTableLevel
 Generic_GCC::getDefaultUnwindTableLevel(const ArgList &Args) const {
   switch (getArch()) {
   case llvm::Triple::aarch64:
+  case llvm::Triple::aarch64_be:
   case llvm::Triple::ppc:
   case llvm::Triple::ppcle:
   case llvm::Triple::ppc64:

diff  --git a/clang/test/Driver/aarch64-features.c b/clang/test/Driver/aarch64-features.c
index a797cc0cf9084c2..d2075c91314a8b2 100644
--- a/clang/test/Driver/aarch64-features.c
+++ b/clang/test/Driver/aarch64-features.c
@@ -1,4 +1,5 @@
 // RUN: %clang --target=aarch64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s
+// RUN: %clang --target=aarch64_be-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s
 // RUN: %clang --target=arm64-none-linux-gnu -### %s -fsyntax-only 2>&1 | FileCheck %s
 
 // CHECK: "-funwind-tables=2"