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a034844b1a
Author | SHA1 | Date |
---|---|---|
David Mak | a034844b1a | |
David Mak | 3209f88adf | |
David Mak | af77898390 | |
David Mak | 8c7cf4f8f3 | |
David Mak | 48eb64403f | |
David Mak | 2c44b58bb8 |
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@ -31,9 +31,8 @@ else
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nac3standalone=../../target/x86_64-unknown-linux-gnu/release/nac3standalone
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fi
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rm -f ./*.o ./*.bc demo
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if [ -z "$use_lli" ]; then
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rm -f "*.o" demo
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$nac3standalone "${nac3args[@]}"
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clang -c -std=gnu11 -Wall -Wextra -O3 -o demo.o demo.c
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@ -45,15 +44,19 @@ if [ -z "$use_lli" ]; then
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./demo > "$outfile"
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fi
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else
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rm -f "*.o" "*.bc" demo
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$nac3standalone --emit-llvm "${nac3args[@]}"
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clang -c -std=gnu11 -Wall -Wextra -O3 -emit-llvm -o demo.bc demo.c
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if [ -z "$outfile" ]; then
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lli --extra-module demo.bc --extra-module irrt.bc main.bc
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if ls module*.bc >/dev/null 2>&1; then
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llvm-link -o module.bc module*.bc main.bc
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else
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lli --extra-module demo.bc --extra-module irrt.bc main.bc > "$outfile"
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cp main.bc module.bc
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fi
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if [ -z "$outfile" ]; then
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lli --extra-module demo.bc --extra-module irrt.bc module.bc
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else
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lli --extra-module demo.bc --extra-module irrt.bc module.bc > "$outfile"
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fi
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fi
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@ -39,8 +39,9 @@ struct CommandLineArgs {
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/// The name of the input file.
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file_name: String,
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/// The number of threads allocated to processing the source file.
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#[arg(default_value_t = 1)]
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/// The number of threads allocated to processing the source file. If 0 is passed to this
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/// parameter, all available threads will be used for compilation.
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#[arg(short = 'T', default_value_t = 1)]
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threads: u32,
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/// The level to optimize the LLVM IR.
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@ -48,6 +49,8 @@ struct CommandLineArgs {
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opt_level: u32,
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/// Whether to emit LLVM IR at the end of every module.
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///
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/// If multithreaded compilation is also enabled, each thread will emit its own module.
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#[arg(long, default_value_t = false)]
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emit_llvm: bool,
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@ -209,9 +212,15 @@ fn main() {
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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 is_multithreaded() {
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threads
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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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if threads > 1 {
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threads
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}
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} else {
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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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