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[Clang] [Driver] use __cxa_atexit by default on Cygwin. (#135701)

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GCC on Cygwin and MSYS2 are built with --enable-__cxa_atexit.

Adjust test to expect this change.
This commit is contained in:
jeremyd2019
2025-04-22 23:48:08 -07:00
committed by GitHub
parent 98b6f8dc69
commit ca3a5d37ef
2 changed files with 7 additions and 4 deletions
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4
clang/lib/Driver/ToolChains/Clang.cpp
View File

@@ -7232,7 +7232,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
// -fuse-cxa-atexit is default.
if (!Args.hasFlag(
options::OPT_fuse_cxa_atexit, options::OPT_fno_use_cxa_atexit,
!RawTriple.isOSAIX() && !RawTriple.isOSWindows() &&
!RawTriple.isOSAIX() &&
(!RawTriple.isOSWindows() ||
RawTriple.isWindowsCygwinEnvironment()) &&
((RawTriple.getVendor() != llvm::Triple::MipsTechnologies) ||
RawTriple.hasEnvironment())) ||
KernelOrKext)

7
clang/test/Driver/cxa-atexit.cpp
View File

@@ -1,15 +1,15 @@
// RUN: %clang -### -target armv7-unknown-windows-msvc -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target armv7-unknown-windows-itanium -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target armv7-unknown-windows-gnu -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target armv7-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target armv7-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-CYGWIN
// RUN: %clang -### -target i686-unknown-windows-msvc -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target i686-unknown-windows-itanium -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target i686-unknown-windows-gnu -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target i686-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target i686-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-CYGWIN
// RUN: %clang -### -target x86_64-unknown-windows-msvc -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target x86_64-unknown-windows-itanium -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target x86_64-unknown-windows-gnu -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target x86_64-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-WINDOWS
// RUN: %clang -### -target x86_64-unknown-windows-cygnus -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-CYGWIN
// RUN: %clang -### -target hexagon-unknown-none -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-HEXAGON
// RUN: %clang -### -target xcore-unknown-none -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-XCORE
// RUN: %clang -### -target armv7-mti-none -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-MTI
@@ -21,6 +21,7 @@
// RUN: %clang -### -target powerpc64-ibm-aix-xcoff -c %s -o /dev/null 2>&1 | FileCheck %s -check-prefix CHECK-AIX
// CHECK-WINDOWS: "-fno-use-cxa-atexit"
// CHECK-CYGWIN-NOT: "-fno-use-cxa-atexit"
// CHECK-SOLARIS-NOT: "-fno-use-cxa-atexit"
// CHECK-HEXAGON-NOT: "-fno-use-cxa-atexit"
// CHECK-XCORE: "-fno-use-cxa-atexit"