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path: root/compiler/rustc_codegen_llvm/src/lib.rs
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2020-12-16cg_llvm: split dwarf filename and comp dirDavid Wood-1/+1
llvm-dwp concatenates `DW_AT_comp_dir` with `DW_AT_GNU_dwo_name` (only when `DW_AT_comp_dir` exists), which can result in it failing to find the DWARF object files. In earlier testing, `DW_AT_comp_dir` wasn't present in the final object and the current directory was the output directory. When running tests through compiletest, the working directory of the compilation is different from output directory and that resulted in `DW_AT_comp_dir` being in the object file (and set to the current working directory, rather than the output directory), and `DW_AT_GNU_dwo_name` being set to the full path (rather than just the filename), so llvm-dwp was failing. This commit changes the compilation directory provided to LLVM to match the output directory, where DWARF objects are output; and ensures that only the filename is used for `DW_AT_GNU_dwo_name`. Signed-off-by: David Wood <david@davidtw.co>
2020-12-16cg_llvm: implement split dwarf supportDavid Wood-3/+9
This commit implements Split DWARF support, wiring up the flag (added in earlier commits) to the modified FFI wrapper (also from earlier commits). Signed-off-by: David Wood <david@davidtw.co>
2020-12-16cg_ssa: introduce `TargetMachineFactoryFn` aliasDavid Wood-4/+5
This commit removes the `TargetMachineFactory` struct and adds a `TargetMachineFactoryFn` type alias which is used everywhere that the previous, long type was used. Signed-off-by: David Wood <david@davidtw.co>
2020-10-14Rollup merge of #77795 - bjorn3:codegen_backend_interface_refactor, r=oli-obkDylan DPC-43/+12
Codegen backend interface refactor This moves several things away from the codegen backend to rustc_interface. There are a few behavioral changes where previously the incremental cache (incorrectly) wouldn't get finalized, but now it does. See the individual commit messages.
2020-10-13Auto merge of #76830 - Artoria2e5:tune, r=nagisabors-0/+3
Pass tune-cpu to LLVM I think this is how it should work... See https://internals.rust-lang.org/t/expose-tune-cpu-from-llvm/13088 for the background. Or the documentation diff.
2020-10-12Remove dump_incremental_databjorn3-3/+0
2020-10-10Move llvm_util::time_trace_profiler_finish call to join_codegenbjorn3-6/+6
This makes it also run when compilation has failed, neither --emit exe nor --emit metadata is passed, or -Zno-link is used.
2020-10-10Use fixed type for CodegenResultsbjorn3-22/+4
This also moves the -Zno-link implementation to rustc_interface
2020-10-10Move finalize_session_directory call out of cg_llvmbjorn3-4/+0
This causes it to be called even when passing `-Zno-link`, when linking fails or when neither `--emit link` nor `--emit metadata` is used.
2020-10-10Move save_work_product_index call out of cg_llvmbjorn3-10/+4
2020-10-09Move supported_target_features query provider to cg_ssabjorn3-2/+2
2020-10-05Pass tune-cpu to LLVMMingye Wang-0/+3
I think this is how it should work...
2020-10-02Implement Make `handle_alloc_error` default to panic (for no_std + liballoc)Harald Hoyer-1/+2
Related: https://github.com/rust-lang/rust/issues/66741 Guarded with `#![feature(default_alloc_error_handler)]` a default `alloc_error_handler` is called, if a custom allocator is used and no other custom `#[alloc_error_handler]` is defined. The panic message does not contain the size anymore, because it would pull in the fmt machinery, which would blow up the code size significantly.
2020-09-26Rollup merge of #77161 - est31:swich_len_already_trusted, r=petrochenkovRalf Jung-1/+0
Remove TrustedLen requirement from BuilderMethods::switch The main use case of TrustedLen is allowing APIs to specialize on it, but no use of it uses that specialization. Instead, only the .len() function provided by ExactSizeIterator is used, which is already required to be accurate. Thus, the TrustedLen requirement on BuilderMethods::switch is redundant.
2020-09-24Remove TrustedLen requirement from BuilderMethods::switchest31-1/+0
The main use case of TrustedLen is allowing APIs to specialize on it, but no use of it uses that specialization. Instead, only the .len() function provided by ExactSizeIterator is used, which is already required to be accurate. Thus, the TrustedLen requirement on BuilderMethods::switch is redundant.
2020-09-23/nightly/nightly-rustcErik Hofmayer-1/+1
2020-09-23Updated html_root_url for compiler cratesErik Hofmayer-1/+1
2020-09-09Add `-Z combine_cgu` flagVictor Ding-0/+7
Introduce a compiler option to let rustc combines all regular CGUs into a single one at the end of compilation. Part of Issue #64191
2020-08-30mv compiler to compiler/mark-0/+400
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