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authorBrian Anderson <[email protected]>2011-05-13 16:47:37 -0400
committerBrian Anderson <[email protected]>2011-05-13 16:55:37 -0400
commit2f440b1452f79a670d2927abd42f95b79272c5d9 (patch)
tree2f5fd75cd246c649f42437ef26e30caa225e7e73 /src/comp/back/Link.rs
parentSlight adjustments to shape, rename to type_glue.rs. (diff)
downloadrust-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.rs189
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();
- }
- }
-}
-