[clang] [Driver] Enable outline atomics for NetBSD/aarch64 (PR #156143)

[via cfe-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: Brad Smith (brad0)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/156143.diff


2 Files Affected:

- (modified) clang/lib/Driver/ToolChains/NetBSD.h (+5) 
- (modified) clang/test/Driver/aarch64-features.c (+3) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/NetBSD.h b/clang/lib/Driver/ToolChains/NetBSD.h
index 96303acaa0099..eb34032aa296f 100644
--- a/clang/lib/Driver/ToolChains/NetBSD.h
+++ b/clang/lib/Driver/ToolChains/NetBSD.h
@@ -68,6 +68,11 @@ class LLVM_LIBRARY_VISIBILITY NetBSD : public Generic_ELF {
       const llvm::opt::ArgList &DriverArgs,
       llvm::opt::ArgStringList &CC1Args) const override;
 
+  bool IsAArch64OutlineAtomicsDefault(
+      const llvm::opt::ArgList &Args) const override {
+    return true;
+  }
+
   UnwindTableLevel
   getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override {
     return UnwindTableLevel::Asynchronous;
diff --git a/clang/test/Driver/aarch64-features.c b/clang/test/Driver/aarch64-features.c
index 05dd3bf39fae3..f97e86cbfd96f 100644
--- a/clang/test/Driver/aarch64-features.c
+++ b/clang/test/Driver/aarch64-features.c
@@ -44,6 +44,9 @@
 // RUN: %clang --target=aarch64-windows-gnu -rtlib=compiler-rt \
 // RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
 
+// RUN: %clang --target=aarch64-unknown-netbsd -rtlib=libgcc \
+// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
+
 // RUN: %clang --target=aarch64-unknown-openbsd -rtlib=compiler-rt \
 // RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/156143