release/21.x: [Driver] Enable outline atomics for OpenBSD/aarch64 (#155713) #155759
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@devnexen What do you think about merging this PR to the release branch? |
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@llvm/pr-subscribers-clang @llvm/pr-subscribers-clang-driver Author: None (llvmbot) ChangesBackport 5d774ec Requested by: @brad0 Full diff: https://github.com/llvm/llvm-project/pull/155759.diff 2 Files Affected:
diff --git a/clang/lib/Driver/ToolChains/OpenBSD.h b/clang/lib/Driver/ToolChains/OpenBSD.h
index 11b873cb30032..ad0f9e6799568 100644
--- a/clang/lib/Driver/ToolChains/OpenBSD.h
+++ b/clang/lib/Driver/ToolChains/OpenBSD.h
@@ -79,6 +79,11 @@ class LLVM_LIBRARY_VISIBILITY OpenBSD : public Generic_ELF {
void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
+ bool IsAArch64OutlineAtomicsDefault(
+ const llvm::opt::ArgList &Args) const override {
+ return true;
+ }
+
std::string getCompilerRT(const llvm::opt::ArgList &Args, StringRef Component,
FileType Type = ToolChain::FT_Static,
bool IsFortran = false) const override;
diff --git a/clang/test/Driver/aarch64-features.c b/clang/test/Driver/aarch64-features.c
index d2075c91314a8..05dd3bf39fae3 100644
--- a/clang/test/Driver/aarch64-features.c
+++ b/clang/test/Driver/aarch64-features.c
@@ -45,7 +45,7 @@
// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
// RUN: %clang --target=aarch64-unknown-openbsd -rtlib=compiler-rt \
-// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-OFF %s
+// RUN: -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-OUTLINE-ATOMICS-ON %s
// RUN: %clang --target=aarch64-linux-gnu -rtlib=libgcc \
// RUN: --gcc-toolchain=%S/Inputs/aarch64-linux-gnu-tree/gcc-10 \
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devnexen
approved these changes
Aug 28, 2025
(cherry picked from commit 5d774ec)
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Backport 5d774ec
Requested by: @brad0