[MinGW] Use SEH by default on AArch64

The implementation of SEH is pretty mature at this point.

Differential Revision: https://reviews.llvm.org/D61591

llvm-svn: 360081

diff --git a/clang/lib/Driver/ToolChains/MinGW.cpp b/clang/lib/Driver/ToolChains/MinGW.cpp
index 048cfde..0e1873c 100644 (file)
--- a/clang/lib/Driver/ToolChains/MinGW.cpp
+++ b/clang/lib/Driver/ToolChains/MinGW.cpp
@@ -436,7 +436,8 @@ bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
   if (ExceptionArg &&
       ExceptionArg->getOption().matches(options::OPT_fseh_exceptions))
     return true;
-  return getArch() == llvm::Triple::x86_64;
+  return getArch() == llvm::Triple::x86_64 ||
+         getArch() == llvm::Triple::aarch64;
 }
 
 bool toolchains::MinGW::isPICDefault() const {
@@ -451,7 +452,7 @@ bool toolchains::MinGW::isPICDefaultForced() const {
 
 llvm::ExceptionHandling
 toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
-  if (getArch() == llvm::Triple::x86_64)
+  if (getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::aarch64)
     return llvm::ExceptionHandling::WinEH;
   return llvm::ExceptionHandling::DwarfCFI;
 }

diff --git a/clang/test/Driver/windows-exceptions.cpp b/clang/test/Driver/windows-exceptions.cpp
index 2eefe22..5aa4743 100644 (file)
--- a/clang/test/Driver/windows-exceptions.cpp
+++ b/clang/test/Driver/windows-exceptions.cpp
@@ -2,8 +2,8 @@
 // RUN: %clang -target x86_64-windows-msvc -c %s -### 2>&1 | FileCheck -check-prefix=MSVC %s
 // RUN: %clang -target i686-windows-gnu -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-DWARF %s
 // RUN: %clang -target x86_64-windows-gnu -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-SEH %s
-// RUN: %clang -target aarch64-windows-gnu -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-DWARF %s
-// RUN: %clang -target aarch64-windows-gnu -fseh-exceptions -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-SEH %s
+// RUN: %clang -target aarch64-windows-gnu -fdwarf-exceptions -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-DWARF %s
+// RUN: %clang -target aarch64-windows-gnu -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-SEH %s
 
 MSVC-NOT: -fdwarf-exceptions
 MSVC-NOT: -fseh-exceptions