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path: root/src/librustc_codegen_llvm/context.rs
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2020-03-04Don't use .ok() before unwrapping via .expect() on a Result.Matthias Krüger-1/+0
The Result can be expect-unwrapped directly. (clippy::ok_expect)
2020-02-12Fix mangled names of lifetime intrinsicsNikita Popov-2/+2
2020-02-12Use IRBuilder to create memsetNikita Popov-4/+0
To avoid creating memsets with outdated signature. For some reason SROA chokes on this when using NewPM.
2020-01-28Add support for Control Flow Guard on Windows.Andrew Paverd-1/+11
This patch enables rustc to emit the required LLVM module flags to enable Control Flow Guard metadata (cfguard=1) or metadata and checks (cfguard=2). The LLVM module flags are ignored on unsupported targets and operating systems.
2020-01-07Remove support for datalayout upgradeNikita Popov-16/+2
Only keep the downgrade code
2020-01-07Auto-upgrade data layouts for X86 address spacesNikita Popov-0/+23
This is similar to the autoupdate LLVM performs internally.
2020-01-05Remove rustc_hir reexports in rustc::hir.Mazdak Farrokhzad-2/+2
2020-01-04canonicalize FxHash{Map,Set} importsMazdak Farrokhzad-1/+1
2020-01-02Normalize `syntax::symbol` imports.Mazdak Farrokhzad-1/+1
2020-01-02Normalize `syntax::source_map` imports.Mazdak Farrokhzad-1/+1
2019-12-22Format the worldMark Rousskov-96/+89
2019-12-11rustc: Link LLVM directly into rustc againAlex Crichton-0/+2
This commit builds on #65501 continue to simplify the build system and compiler now that we no longer have multiple LLVM backends to ship by default. Here this switches the compiler back to what it once was long long ago, which is linking LLVM directly to the compiler rather than dynamically loading it at runtime. The `codegen-backends` directory of the sysroot no longer exists and all relevant support in the build system is removed. Note that `rustc` still supports a dynamically loaded codegen backend as it did previously, it just no longer supports dynamically loaded codegen backends in its own sysroot. Additionally as part of this the `librustc_codegen_llvm` crate now once again explicitly depends on all of its crates instead of implicitly loading them through the sysroot. This involved filling out its `Cargo.toml` and deleting all the now-unnecessary `extern crate` annotations in the header of the crate. (this in turn required adding a number of imports for names of macros too). The end results of this change are: * Rustbuild's build process for the compiler as all the "oh don't forget the codegen backend" checks can be easily removed. * Building `rustc_codegen_llvm` is much simpler since it's simply another compiler crate. * Managing the dependencies of `rustc_codegen_llvm` is much simpler since it's "just another `Cargo.toml` to edit" * The build process should be a smidge faster because there's more parallelism in the main rustc build step rather than splitting `librustc_codegen_llvm` out to its own step. * The compiler is expected to be slightly faster by default because the codegen backend does not need to be dynamically loaded. * Disabling LLVM as part of rustbuild is still supported, supporting multiple codegen backends is still supported, and dynamic loading of a codegen backend is still supported.
2019-12-03rustc: take a PolyFnSig instead of an FnSig in FnAbi::of_fn_ptr.Eduard-Mihai Burtescu-2/+2
2019-12-03rustc: rename FnAbi::new to FnAbi::of_fn_ptr.Eduard-Mihai Burtescu-1/+1
2019-12-03rustc_codegen_ssa: take a FnAbi instead of a FnSig in declare_fn.Eduard-Mihai Burtescu-4/+6
2019-11-03Configure LLVM module PIC levelSamuel Holland-0/+4
As of LLVM 9, this is required for 32-bit PowerPC to properly generate PLT references. Previously, only BigPIC was supported; now LLVM supports both BigPIC and SmallPIC, and there is no default value provided.
2019-10-13Remove MiscMethods::instancesbjorn3-5/+5
2019-10-13Inline functions from cg_ssa::callee and remove the modbjorn3-3/+16
Fixes #65271
2019-10-10Auto merge of #59546 - sfanxiang:interminable-ub, r=nagisabors-0/+1
Add llvm.sideeffect to potential infinite loops and recursions LLVM assumes that a thread will eventually cause side effect. This is not true in Rust if a loop or recursion does nothing in its body, causing undefined behavior even in common cases like `loop {}`. Inserting llvm.sideeffect fixes the undefined behavior. As a micro-optimization, only insert llvm.sideeffect when jumping back in blocks or calling a function. A patch for LLVM is expected to allow empty non-terminate code by default and fix this issue from LLVM side. https://github.com/rust-lang/rust/issues/28728 **UPDATE:** [Mentoring instructions here](https://github.com/rust-lang/rust/pull/59546#issuecomment-515072429) to unstall this PR
2019-10-05Replaces some instances of `as *[const | mut] _` with `.cast()`memoryruins-1/+1
2019-09-28Add llvm.sideeffect to potential infinite loops and recursionsXiang Fan-0/+1
LLVM assumes that a thread will eventually cause side effect. This is not true in Rust if a loop or recursion does nothing in its body, causing undefined behavior even in common cases like `loop {}`. Inserting llvm.sideeffect fixes the undefined behavior. As a micro-optimization, only insert llvm.sideeffect when jumping back in blocks or calling a function. A patch for LLVM is expected to allow empty non-terminate code by default and fix this issue from LLVM side. https://github.com/rust-lang/rust/issues/28728
2019-09-04Remove `LocalInternedString` uses from `librustc_codegen_llvm`.Nicholas Nethercote-2/+2
2019-08-04tweak output and testsEsteban Küber-4/+1
2019-08-04review comments: clean upEsteban Küber-3/+3
2019-08-03Point to local place span on "type too big" errorEsteban Küber-1/+9
2019-07-09Strip function pointer alignment for older LLVM versionsNikita Popov-6/+17
2019-06-18rustc: remove 'x: 'y bounds (except from comments/strings).Eduard-Mihai Burtescu-1/+1
2019-06-15Remove unnecessary `.clone()`Shotaro Yamada-1/+1
2019-06-14Unify all uses of 'gcx and 'tcx.Eduard-Mihai Burtescu-4/+4
2019-06-12Run `rustfmt --file-lines ...` for changes from previous commits.Eduard-Mihai Burtescu-6/+7
2019-06-12rustc: remove some unnecessary lifetimes in -> TyCtxt methods.Eduard-Mihai Burtescu-1/+1
2019-06-12rustc: replace `TyCtxt<'tcx, 'gcx, 'tcx>` with `TyCtxt<'gcx, 'tcx>`.Eduard-Mihai Burtescu-4/+4
2019-06-12rustc: replace `TyCtxt<'a, 'gcx, 'tcx>` with `TyCtxt<'tcx, 'gcx, 'tcx>`.Eduard-Mihai Burtescu-3/+3
2019-06-06Add intrinsics for floating-point min and maxvarkor-0/+5
2019-06-02remove reexports of mir::mono::{MonoItem,CodegenUnit}Mark Mansi-1/+1
2019-06-02remove reexport of rustc::ty::InstanceMark Mansi-2/+1
2019-05-29rustc_codegen_llvm: remove LLVM instruction count stats.Eduard-Mihai Burtescu-11/+0
2019-05-04removing param_env from pointee_info_atSaleem Jaffer-2/+4
2019-05-04adding HasParamEnv traitSaleem Jaffer-1/+7
2019-05-04resolving conflictsSaleem Jaffer-1/+0
2019-05-04Remove old pointee_info_at body.Daan de Graaf-1/+1
2019-03-30Remove redundant importsFabian Drinck-1/+0
2019-03-29Move get_param and set_value_namebjorn3-5/+0
2019-03-29Don't use c_uint in cg_ssabjorn3-2/+2
2019-03-27Use informational target machine for metadataSimonas Kazlauskas-1/+1
Since there is nothing to optimise there...
2019-02-25librustc_codegen_llvm: deny(elided_lifetimes_in_paths)Mazdak Farrokhzad-1/+1
2019-02-24Auto merge of #58304 - gnzlbg:simd_saturated, r=nagisabors-8/+18
Add generic simd saturated add/sub intrinsics r? @eddyb
2019-02-18librustc_codegen_llvm => 2018Taiki Endo-15/+15
2019-02-14Rollup merge of #58308 - gnzlbg:context_insert_intr, r=eddybMazdak Farrokhzad-12/+17
Extract block to insert an intrinsic into its own function r? @eddyb
2019-02-10rustc: doc commentsAlexander Regueiro-2/+2
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