[clang] 47d9fbc - [LinkerWrapper] Add 'Freestanding' config to the LTO pass

[Joseph Huber via cfe-commits]

Author: Joseph Huber
Date: 2023-11-01T07:47:25-05:00
New Revision: 47d9fbc04b91fb03b6da294e82c2fb4bca6b6343

URL: https://github.com/llvm/llvm-project/commit/47d9fbc04b91fb03b6da294e82c2fb4bca6b6343
DIFF: https://github.com/llvm/llvm-project/commit/47d9fbc04b91fb03b6da294e82c2fb4bca6b6343.diff

LOG: [LinkerWrapper] Add 'Freestanding' config to the LTO pass

Summary:
These GPU images are expected to be freestanding, so we should disable
emission of builtins for whatever target we are offloading to.

Added: 
    

Modified: 
    clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp

Removed: 
    


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diff  --git a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
index 1c269ce890b3b71..bafe8ace60d1cea 100644
--- a/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
+++ b/clang/tools/clang-linker-wrapper/ClangLinkerWrapper.cpp
@@ -526,6 +526,7 @@ std::unique_ptr<lto::LTO> createLTO(
 
   Conf.CPU = Arch.str();
   Conf.Options = codegen::InitTargetOptionsFromCodeGenFlags(Triple);
+  Conf.Freestanding = true;
 
   StringRef OptLevel = Args.getLastArgValue(OPT_opt_level, "O2");
   Conf.MAttrs = Features;