[PATCH] D126871: [clang] [MinGW] Use SEH for unwind info on ARM by default

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo created this revision.
mstorsjo added reviewers: efriedma, zzheng.
Herald added a subscriber: kristof.beyls.
Herald added a project: All.
mstorsjo requested review of this revision.
Herald added a subscriber: MaskRay.
Herald added a project: clang.

This goes hand in hand with D126870 <https://reviews.llvm.org/D126870>.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126871

Files:
  clang/lib/Driver/ToolChains/MinGW.cpp
  clang/test/Driver/windows-exceptions.cpp


Index: clang/test/Driver/windows-exceptions.cpp
===================================================================
--- clang/test/Driver/windows-exceptions.cpp
+++ clang/test/Driver/windows-exceptions.cpp
@@ -2,6 +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 armv7-windows-gnu -fdwarf-exceptions -c %s -### 2>&1 | 
FileCheck -check-prefix=MINGW-DWARF %s
+// RUN: %clang -target armv7-windows-gnu -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
 
Index: clang/lib/Driver/ToolChains/MinGW.cpp
===================================================================
--- clang/lib/Driver/ToolChains/MinGW.cpp
+++ clang/lib/Driver/ToolChains/MinGW.cpp
@@ -478,8 +478,8 @@
   if (ExceptionArg &&
       ExceptionArg->getOption().matches(options::OPT_fseh_exceptions))
     return true;
-  return getArch() == llvm::Triple::x86_64 ||
-         getArch() == llvm::Triple::aarch64;
+  return getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::arm ||
+         getArch() == llvm::Triple::thumb || getArch() == 
llvm::Triple::aarch64;
 }
 
 bool toolchains::MinGW::isPICDefault() const {
@@ -495,7 +495,8 @@
 
 llvm::ExceptionHandling
 toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
-  if (getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::aarch64)
+  if (getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::aarch64 
||
+      getArch() == llvm::Triple::arm || getArch() == llvm::Triple::thumb)
     return llvm::ExceptionHandling::WinEH;
   return llvm::ExceptionHandling::DwarfCFI;
 }



Index: clang/test/Driver/windows-exceptions.cpp
===================================================================
--- clang/test/Driver/windows-exceptions.cpp
+++ clang/test/Driver/windows-exceptions.cpp
@@ -2,6 +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 armv7-windows-gnu -fdwarf-exceptions -c %s -### 2>&1 | FileCheck -check-prefix=MINGW-DWARF %s
+// RUN: %clang -target armv7-windows-gnu -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
 
Index: clang/lib/Driver/ToolChains/MinGW.cpp
===================================================================
--- clang/lib/Driver/ToolChains/MinGW.cpp
+++ clang/lib/Driver/ToolChains/MinGW.cpp
@@ -478,8 +478,8 @@
   if (ExceptionArg &&
       ExceptionArg->getOption().matches(options::OPT_fseh_exceptions))
     return true;
-  return getArch() == llvm::Triple::x86_64 ||
-         getArch() == llvm::Triple::aarch64;
+  return getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::arm ||
+         getArch() == llvm::Triple::thumb || getArch() == llvm::Triple::aarch64;
 }
 
 bool toolchains::MinGW::isPICDefault() const {
@@ -495,7 +495,8 @@
 
 llvm::ExceptionHandling
 toolchains::MinGW::GetExceptionModel(const ArgList &Args) const {
-  if (getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::aarch64)
+  if (getArch() == llvm::Triple::x86_64 || getArch() == llvm::Triple::aarch64 ||
+      getArch() == llvm::Triple::arm || getArch() == llvm::Triple::thumb)
     return llvm::ExceptionHandling::WinEH;
   return llvm::ExceptionHandling::DwarfCFI;
 }

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