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| author | Brian Anderson <[email protected]> | 2011-05-13 16:47:37 -0400 |
|---|---|---|
| committer | Brian Anderson <[email protected]> | 2011-05-13 16:55:37 -0400 |
| commit | 2f440b1452f79a670d2927abd42f95b79272c5d9 (patch) | |
| tree | 2f5fd75cd246c649f42437ef26e30caa225e7e73 /src/comp/back/Link.rs | |
| parent | Slight adjustments to shape, rename to type_glue.rs. (diff) | |
| download | rust-2f440b1452f79a670d2927abd42f95b79272c5d9.tar.xz rust-2f440b1452f79a670d2927abd42f95b79272c5d9.zip | |
rustc: lowercase the link and link::write modules
Diffstat (limited to 'src/comp/back/Link.rs')
| -rw-r--r-- | src/comp/back/Link.rs | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/comp/back/Link.rs b/src/comp/back/Link.rs deleted file mode 100644 index 50b07915..00000000 --- a/src/comp/back/Link.rs +++ /dev/null @@ -1,189 +0,0 @@ -import driver::session; -import lib::llvm::llvm; -import middle::trans; -import std::_str; -import std::fs; - -import lib::llvm::llvm::ModuleRef; -import lib::llvm::llvm::ValueRef; -import lib::llvm::mk_pass_manager; -import lib::llvm::mk_target_data; -import lib::llvm::mk_type_names; -import lib::llvm::False; -import lib::llvm::True; - -tag output_type { - output_type_none; - output_type_bitcode; - output_type_assembly; - output_type_object; -} - -fn llvm_err(session::session sess, str msg) { - auto buf = llvm::LLVMRustGetLastError(); - if ((buf as uint) == 0u) { - sess.err(msg); - } else { - sess.err(msg + ": " + _str::str_from_cstr(buf)); - } - fail; -} - -fn link_intrinsics(session::session sess, ModuleRef llmod) { - auto path = fs::connect(sess.get_opts().sysroot, "intrinsics.bc"); - auto membuf = - llvm::LLVMRustCreateMemoryBufferWithContentsOfFile(_str::buf(path)); - if ((membuf as uint) == 0u) { - llvm_err(sess, "installation problem: couldn't open intrinstics.bc"); - fail; - } - - auto llintrinsicsmod = llvm::LLVMRustParseBitcode(membuf); - if ((llintrinsicsmod as uint) == 0u) { - llvm_err(sess, "installation problem: couldn't parse intrinstics.bc"); - fail; - } - - if (llvm::LLVMLinkModules(llmod, llintrinsicsmod) == False) { - llvm_err(sess, "couldn't link the module with the intrinsics"); - fail; - } -} - -mod Write { - fn is_object_or_assembly(output_type ot) -> bool { - if (ot == output_type_assembly) { - ret true; - } - if (ot == output_type_object) { - ret true; - } - ret false; - } - - // Decides what to call an intermediate file, given the name of the output - // and the extension to use. - fn mk_intermediate_name(str output_path, str extension) -> str { - auto dot_pos = _str::index(output_path, '.' as u8); - auto stem; - if (dot_pos < 0) { - stem = output_path; - } else { - stem = _str::substr(output_path, 0u, dot_pos as uint); - } - ret stem + "." + extension; - } - - fn run_passes(session::session sess, ModuleRef llmod, str output) { - - auto opts = sess.get_opts(); - - if (opts.time_llvm_passes) { - llvm::LLVMRustEnableTimePasses(); - } - - link_intrinsics(sess, llmod); - - auto pm = mk_pass_manager(); - auto td = mk_target_data(x86::get_data_layout()); - llvm::LLVMAddTargetData(td.lltd, pm.llpm); - - // TODO: run the linter here also, once there are llvm-c bindings for - // it. - - // Generate a pre-optimization intermediate file if -save-temps was - // specified. - if (opts.save_temps) { - alt (opts.output_type) { - case (output_type_bitcode) { - if (opts.optimize) { - auto filename = mk_intermediate_name(output, - "no-opt.bc"); - llvm::LLVMWriteBitcodeToFile(llmod, - _str::buf(filename)); - } - } - case (_) { - auto filename = mk_intermediate_name(output, "bc"); - llvm::LLVMWriteBitcodeToFile(llmod, _str::buf(filename)); - } - } - } - - // FIXME: This is mostly a copy of the bits of opt's -O2 that are - // available in the C api. - // FIXME2: We might want to add optimization levels like -O1, -O2, - // -Os, etc - // FIXME3: Should we expose and use the pass lists used by the opt - // tool? - if (opts.optimize) { - auto fpm = mk_pass_manager(); - llvm::LLVMAddTargetData(td.lltd, fpm.llpm); - llvm::LLVMAddStandardFunctionPasses(fpm.llpm, 2u); - llvm::LLVMRunPassManager(fpm.llpm, llmod); - - // TODO: On -O3, use 275 instead of 225 for the inlining - // threshold. - llvm::LLVMAddStandardModulePasses(pm.llpm, - 2u, // optimization level - False, // optimize for size - True, // unit-at-a-time - True, // unroll loops - True, // simplify lib calls - True, // have exceptions - 225u); // inlining threshold - } - - if (opts.verify) { - llvm::LLVMAddVerifierPass(pm.llpm); - } - - // TODO: Write .s if -c was specified and -save-temps was on. - if (is_object_or_assembly(opts.output_type)) { - let int LLVMAssemblyFile = 0; - let int LLVMObjectFile = 1; - let int LLVMNullFile = 2; - auto FileType; - if (opts.output_type == output_type_object) { - FileType = LLVMObjectFile; - } else { - FileType = LLVMAssemblyFile; - } - - // Write optimized bitcode if --save-temps was on. - if (opts.save_temps) { - alt (opts.output_type) { - case (output_type_bitcode) { /* nothing to do */ } - case (_) { - auto filename = mk_intermediate_name(output, - "opt.bc"); - llvm::LLVMRunPassManager(pm.llpm, llmod); - llvm::LLVMWriteBitcodeToFile(llmod, - _str::buf(filename)); - pm = mk_pass_manager(); - } - } - } - - llvm::LLVMRustWriteOutputFile(pm.llpm, llmod, - _str::buf(x86::get_target_triple()), - _str::buf(output), - FileType); - llvm::LLVMDisposeModule(llmod); - if (opts.time_llvm_passes) { - llvm::LLVMRustPrintPassTimings(); - } - ret; - } - - llvm::LLVMRunPassManager(pm.llpm, llmod); - - llvm::LLVMWriteBitcodeToFile(llmod, _str::buf(output)); - llvm::LLVMDisposeModule(llmod); - - if (opts.time_llvm_passes) { - llvm::LLVMRustPrintPassTimings(); - } - } -} - |