Fix thread safety with LLVM library #340
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@ -673,7 +673,6 @@ dependencies = [
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"inkwell",
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"insta",
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"itertools 0.11.0",
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"lazy_static",
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"nac3parser",
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"parking_lot",
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"rayon",
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@ -9,6 +9,7 @@ use inkwell::{
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memory_buffer::MemoryBuffer,
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module::{Linkage, Module},
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passes::PassBuilderOptions,
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support::is_multithreaded,
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targets::*,
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OptimizationLevel,
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};
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@ -582,7 +583,8 @@ impl Nac3 {
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membuffer.lock().push(buffer);
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})));
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let size_t = if self.isa == Isa::Host { 64 } else { 32 };
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let thread_names: Vec<String> = (0..4).map(|_| "main".to_string()).collect();
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let num_threads = if is_multithreaded() { 4 } else { 1 };
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let thread_names: Vec<String> = (0..num_threads).map(|_| "main".to_string()).collect();
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let threads: Vec<_> = thread_names
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.iter()
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.map(|s| Box::new(ArtiqCodeGenerator::new(s.to_string(), size_t, self.time_fns)))
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@ -10,7 +10,6 @@ crossbeam = "0.8"
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parking_lot = "0.12"
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rayon = "1.5"
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nac3parser = { path = "../nac3parser" }
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lazy_static = "1.4"
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[dependencies.inkwell]
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version = "0.2"
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@ -2,6 +2,7 @@ use clap::Parser;
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use inkwell::{
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memory_buffer::MemoryBuffer,
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passes::PassBuilderOptions,
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support::is_multithreaded,
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targets::*,
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OptimizationLevel,
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};
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@ -210,12 +211,19 @@ fn main() {
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.map(|arg| if arg == "native" { host_target_machine.cpu.clone() } else { arg })
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.unwrap_or_default();
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let target_features = target_features.unwrap_or_default();
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let threads = if threads == 0 {
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std::thread::available_parallelism()
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.map(|threads| threads.get() as u32)
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.unwrap_or(1u32)
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let threads = if is_multithreaded() {
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if threads == 0 {
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std::thread::available_parallelism()
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.map(|threads| threads.get() as u32)
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.unwrap_or(1u32)
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} else {
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threads
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}
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} else {
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threads
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if threads != 1 {
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println!("Warning: Number of threads specified in command-line but multithreading is disabled in LLVM at build time! Defaulting to single-threaded compilation")
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}
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1
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};
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let opt_level = match opt_level {
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0 => OptimizationLevel::None,
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@ -112,7 +112,7 @@ in stdenv.mkDerivation (rec {
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"-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
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"-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.hostPlatform.config}"
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"-DLLVM_ENABLE_UNWIND_TABLES=OFF"
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"-DLLVM_ENABLE_THREADS=OFF"
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"-DLLVM_ENABLE_THREADS=ON"
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"-DLLVM_INCLUDE_BENCHMARKS=OFF"
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"-DLLVM_BUILD_TOOLS=OFF"
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"-DLLVM_TARGETS_TO_BUILD=X86;ARM;RISCV"
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@ -65,7 +65,7 @@ in rec {
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${silenceFontconfig}
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mkdir build
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cd build
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wine64 cmake .. -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_UNWIND_TABLES=OFF -DLLVM_ENABLE_THREADS=OFF -DLLVM_TARGETS_TO_BUILD=X86\;ARM\;RISCV -DLLVM_LINK_LLVM_DYLIB=OFF -DLLVM_ENABLE_FFI=OFF -DFFI_INCLUDE_DIR=fck-cmake -DFFI_LIBRARY_DIR=fck-cmake -DLLVM_ENABLE_LIBXML2=OFF -DLLVM_INCLUDE_BENCHMARKS=OFF -DLLVM_ENABLE_PROJECTS=clang -DCMAKE_INSTALL_PREFIX=Z:$out
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wine64 cmake .. -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_UNWIND_TABLES=OFF -DLLVM_ENABLE_THREADS=ON -DLLVM_TARGETS_TO_BUILD=X86\;ARM\;RISCV -DLLVM_LINK_LLVM_DYLIB=OFF -DLLVM_ENABLE_FFI=OFF -DFFI_INCLUDE_DIR=fck-cmake -DFFI_LIBRARY_DIR=fck-cmake -DLLVM_ENABLE_LIBXML2=OFF -DLLVM_INCLUDE_BENCHMARKS=OFF -DLLVM_ENABLE_PROJECTS=clang -DCMAKE_INSTALL_PREFIX=Z:$out
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'';
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buildPhase =
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''
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