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[Driver] Make -moutline-atomics default for aarch64-fuchsia targets 

This makes Fuchsia consistent with Linux on AArch64.

Reviewed By: abrachet

Differential Revision: https://reviews.llvm.org/D122613
This commit is contained in:
Roland McGrath 2022-03-28 14:05:23 -07:00
parent 2c20c9003b
commit 1a963d3278
2 changed files with 15 additions and 11 deletions
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25
clang/lib/Driver/ToolChains/Fuchsia.h
View File

@ -75,24 +75,27 @@ public:
RuntimeLibType
GetRuntimeLibType(const llvm::opt::ArgList &Args) const override;
CXXStdlibType
GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
void addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadKind) const override;
bool IsAArch64OutlineAtomicsDefault(
const llvm::opt::ArgList &Args) const override {
return true;
}
void
addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args,
Action::OffloadKind DeviceOffloadKind) const override;
void
AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void
AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void AddClangCXXStdlibIncludeArgs(
const llvm::opt::ArgList &DriverArgs,
llvm::opt::ArgStringList &CC1Args) const override;
void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args,
llvm::opt::ArgStringList &CmdArgs) const override;
const char *getDefaultLinker() const override {
return "ld.lld";
}
const char *getDefaultLinker() const override { return "ld.lld"; }
protected:
Tool *buildLinker() const override;

1
clang/test/Driver/fuchsia.c
View File

@ -34,6 +34,7 @@
// CHECK-AARCH64: "-fsanitize=shadow-call-stack"
// CHECK-X86_64: "-fsanitize=safe-stack"
// CHECK: "-stack-protector" "2"
// CHECK-AARCH64: "-target-feature" "+outline-atomics"
// CHECK-NOT: "-fcommon"
// CHECK: {{.*}}ld.lld{{.*}}" "-z" "max-page-size=4096" "-z" "now" "-z" "rodynamic" "-z" "separate-loadable-segments" "-z" "rel" "--pack-dyn-relocs=relr"
// CHECK: "--sysroot=[[SYSROOT]]"