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Add -fuse-lipo option #121231

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Add -fuse-lipo option #121231

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33b5421
Add -fuse-lipo option
khyperia Dec 27, 2024
fed315b
Add basic fuse-lipo.c tests
khyperia Dec 28, 2024
1329e55
Add fuse-lipo test without arg
khyperia Jan 2, 2025
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1 change: 1 addition & 0 deletions clang/include/clang/Driver/Options.td
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Original file line number Diff line number Diff line change
Expand Up @@ -6654,6 +6654,7 @@ def fbinutils_version_EQ : Joined<["-"], "fbinutils-version=">,
def fuse_ld_EQ : Joined<["-"], "fuse-ld=">, Group<f_Group>,
Flags<[LinkOption]>, Visibility<[ClangOption, FlangOption, CLOption]>;
def ld_path_EQ : Joined<["--"], "ld-path=">, Group<Link_Group>;
def fuse_lipo_EQ : Joined<["-"], "fuse-lipo=">, Group<f_clang_Group>, Flags<[LinkOption]>;

defm align_labels : BooleanFFlag<"align-labels">, Group<clang_ignored_gcc_optimization_f_Group>;
def falign_labels_EQ : Joined<["-"], "falign-labels=">, Group<clang_ignored_gcc_optimization_f_Group>;
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4 changes: 3 additions & 1 deletion clang/lib/Driver/ToolChains/Darwin.cpp
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Expand Up @@ -910,7 +910,9 @@ void darwin::Lipo::ConstructJob(Compilation &C, const JobAction &JA,
CmdArgs.push_back(II.getFilename());
}

const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("lipo"));
StringRef LipoName = Args.getLastArgValue(options::OPT_fuse_lipo_EQ, "lipo");
const char *Exec =
Args.MakeArgString(getToolChain().GetProgramPath(LipoName.data()));
C.addCommand(std::make_unique<Command>(JA, *this, ResponseFileSupport::None(),
Exec, CmdArgs, Inputs, Output));
}
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15 changes: 15 additions & 0 deletions clang/test/Driver/fuse-lipo.c
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@@ -0,0 +1,15 @@
// RUN: %clang %s -### --target=arm64-apple-darwin -arch x86_64 -arch arm64 -fuse-lipo=llvm-lipo 2>&1 | FileCheck -check-prefix=TEST1 %s
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Nit: Add a test case to check when the flag is not supplied.

// TEST1: llvm-lipo

// RUN: %clang %s -### --target=arm64-apple-darwin -arch x86_64 -arch arm64 -fuse-lipo=nonexistant-lipo 2>&1 | FileCheck -check-prefix=TEST2 %s
// TEST2: nonexistant-lipo

// RUN: %clang %s -### --target=arm64-apple-darwin -fuse-lipo=llvm-lipo 2>&1 | FileCheck -check-prefix=TEST3 %s
// TEST3: clang: warning: argument unused during compilation: '-fuse-lipo=llvm-lipo'

// RUN: %clang %s -### --target=arm64-apple-darwin -Wno-unused-command-line-argument -fuse-lipo=llvm-lipo 2>&1 | FileCheck -check-prefix=TEST4 %s
// TEST4-NOT: llvm-lipo

// RUN: %clang %s -### --target=arm64-apple-darwin -arch x86_64 -arch arm64 2>&1 | FileCheck -check-prefix=TEST5 %s
// TEST5: lipo
// TEST5-NOT: llvm-lipo
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