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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
be70c092fa
The intent is to add visibility into how the fingerprint is computed, so that fingerprinting issues and mangling collisions can be more readily understood and fixed. Assisted-by: Gemini via Antigravity
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_TOOLCHAIN_LOWER_OPTIONS_H_
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#define CARBON_TOOLCHAIN_LOWER_OPTIONS_H_
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#include "llvm/Support/raw_ostream.h"
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namespace Carbon::Lower {
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enum class OptimizationLevel {
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// No optimizations beyond necessary ones like inlining always-inline
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// functions. Corresponds to Clang -O0.
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None,
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// Perform optimizations that make the build faster and don't degrade
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// debugging. Corresponds to Clang -O1 or -Og.
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Debug,
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// Optimize for binary size. Corresponds to Clang -Oz.
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Size,
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// Optimize for program execution speed. Corresponds to Clang -O3.
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Speed,
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};
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struct LowerToLLVMOptions {
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// Options must be set individually, not through initialization.
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explicit LowerToLLVMOptions() = default;
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// If set, enables LLVM IR verification.
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llvm::raw_ostream* llvm_verifier_stream = nullptr;
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// Whether to include debug info in lowered output.
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bool want_debug_info = false;
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// If set, enables verbose output.
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llvm::raw_ostream* vlog_stream = nullptr;
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// The optimization level to set on lowered functions by default.
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OptimizationLevel opt_level = OptimizationLevel::Debug;
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// Whether to use the string form of the fingerprint for mangling.
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bool mangle_string_fingerprint = false;
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};
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} // namespace Carbon::Lower
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#endif // CARBON_TOOLCHAIN_LOWER_OPTIONS_H_
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