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2019-10-25Re-enable Emscripten's exception handling supportThomas Lively-1/+1
Passes LLVM codegen and Emscripten link-time flags for exception handling if and only if the panic strategy is `unwind`. Sets the default panic strategy for Emscripten targets to `unwind`. Re-enables tests that depend on unwinding support for Emscripten, including `should_panic` tests.
2019-10-21Rollup merge of #65652 - skinny121:const_infer_leak, r=eddybYuki Okushi-0/+67
Fix `canonicalize_const_var` leaking inference variables Fixes #61338 Fixes #61516 Fixes #62536 Fixes #64087 Fixes #64863 Fixes #65623 I added regression tests for all these issues apart from #64863, which is very similar to #61338. r? @varkor
2019-10-21Fix `canonicalize_const_var` from leaking inference variables throughben-0/+67
it's type.
2019-10-20Improve SimplifyLocals pass so it can remove unused constsWesley Wiser-8/+8
The `ConstProp` can cause many locals to be initialized to a constant value and then never read from. `ConstProp` can also evaluate ZSTs into constant values. Previously, many of these would be removed by other parts of the MIR optimization pipeline. However, evaluating ZSTs (especially `()`) into constant values defeated those parts of the optimizer and so in a2e3ed5c054b544df6ceeb9e612d39af819f4aae, I added a hack to `ConstProp` that skips evaluating ZSTs to avoid that regression. This commit changes `SimplifyLocals` so that it doesn't consider writes of const values to a local to be a use of that local. In doing so, `SimplifyLocals` is able to remove otherwise unused locals left behind by other optimization passes (`ConstProp` in particular).
2019-10-16Upgrade Emscripten targets to use upstream LLVM backendThomas Lively-0/+6
- Compatible with Emscripten 1.38.46-upstream or later upstream. - Refactors the Emscripten target spec to share code with other wasm targets. - Replaces the old incorrect wasm32 C call ABI with the correct one, preserving the old one as wasm32_bindgen_compat for wasm-bindgen compatibility. - Updates the varargs ABI used by Emscripten and deletes the old one. - Removes the obsolete wasm32-experimental-emscripten target. - Uses EMCC_CFLAGS on CI to avoid the timeout problems with #63649.
2019-10-05Revert "Auto merge of #63649 - tlively:emscripten-upstream-upgrade, ↵Tyler Mandry-6/+0
r=alexcrichton" This reverts commit 7870050796e5904a0fc85ecbe6fa6dde1cfe0c91, reversing changes made to 2e7244807a7878f6eca3eb7d97ae9b413aa49014.
2019-10-04Fix ABI, run and fix more tests, re-enable CI for PRsThomas Lively-0/+6
2019-09-14Ban non-extern rust intrinsicsMark Rousskov-15/+2
Intrinsics can only be defined by the compiler.
2019-08-26Auto merge of #63580 - wesleywiser:move_promoted_out, r=oli-obkbors-4/+10
Move promoted MIR out of `mir::Body` r? @oli-obk
2019-08-25Revert "Allow a dirty MirBuilt for make_extern and make_method_extern"Josh Stone-2/+2
This reverts commit b4a6f597934f16f89e27058a32a514c9572f148f.
2019-08-23Fix incremental testsWesley Wiser-4/+10
2019-08-22Changed testsWesley Wiser-1/+1
2019-08-19Cherry-pick src/test changes with Centril's changessd234678-157/+156
2019-07-20normalize use of backticks in compiler messages for librustc_incrementalSamy Kacimi-4/+4
https://github.com/rust-lang/rust/issues/60532
2019-07-06while_{let_}loops/change_{break,continue}: typeck_tables_of clean.Mazdak Farrokhzad-4/+4
2019-07-06Adjust incremental test while_loops.rsMazdak Farrokhzad-2/+2
2019-07-03Migrate compile-pass annotations to build-passYuki Okushi-48/+48
2019-06-23Auto merge of #61778 - petrochenkov:pass, r=Mark-Simulacrumbors-4/+4
compiletest: Introduce `// {check,build,run}-pass` pass modes Pass UI tests now have three modes ``` // check-pass // build-pass // run-pass ``` mirroring equivalent well-known `cargo` commands. `// check-pass` will compile the test skipping codegen (which is expensive and isn't supposed to fail in most cases). `// build-pass` will compile and link the test without running it. `// run-pass` will compile, link and run the test. Tests without a "pass" annotation are still considered "fail" tests. Most UI tests would probably want to switch to `check-pass`. Tests validating codegen would probably want to run the generated code as well and use `run-pass`. `build-pass` should probably be rare (linking tests?). https://github.com/rust-lang/rust/pull/61755 will provide a way to run the tests with any mode, e.g. bump `check-pass` tests to `run-pass` to satisfy especially suspicious people, and be able to make sure that codegen doesn't breaks in some entirely unexpected way. Tests marked with any mode are expected to pass with any other mode, if that's not the case for some legitimate reason, then the test should be made a "fail" test rather than a "pass" test. Perhaps some secondary CI can verify this invariant, but that's not super urgent. `// compile-pass` still works and is equivalent to `build-pass`. Why is `// compile-pass` bad - 1) it gives an impression that the test is only compiled, but not linked, 2) it doesn't mirror a cargo command. It can be removed some time in the future in a separate PR. cc https://github.com/rust-lang/rust/issues/61712
2019-06-19Rename regression test to link it to the corresponding issueOliver Scherer-0/+0
2019-06-19Remove the `AllocId` from `ByRef` valuesOliver Scherer-0/+17
`ByRef` const values have no identity beyond their value, we should not treat them as having identity. The `AllocId` often differed between equal constants, because of the way that the miri-engine evaluates constants.
2019-06-16compiletest: Remove `skip-codegen`Vadim Petrochenkov-1/+1
2019-06-16compiletest: Validate pass modes harderVadim Petrochenkov-2/+2
2019-06-16compiletest: Introduce `// {check,build,run}-pass` pass modesVadim Petrochenkov-1/+1
2019-05-23Remove subtle Default impl for ValueJohn Kåre Alsaker-1/+0
2019-05-20Rollup merge of #60823 - oli-obk:used_unused_no_mangle, r=michaelwoeristerMazdak Farrokhzad-0/+10
Fix incremental compilation of cdylib emitting spurious unused_attributes lint fixes #60050
2019-05-18Auto merge of #60386 - Goirad:sgx-ignore-tests, r=nikomatsakisbors-0/+1
Added ignore-sgx for appropriate tests in src/test These are all the tests that make sense to ignore when targeting fortanix-unknonw-sgx, at least in test/runpass. Other suites not yet covered.
2019-05-16Added ignore-sgx for appropriate testsDario Gonzalez-0/+1
2019-05-14Fix incremental compilation of cdylib emitting spurious unused_attributes lintOliver Scherer-0/+10
2019-05-12Change compare mode to use -Zborrowck=mirMatthew Jasper-2/+2
2019-05-10Auto merge of #59288 - Centril:hir-if-to-match, r=oli-obkbors-2/+2
[let_chains, 1/6] Remove hir::ExprKind::If Per https://github.com/rust-lang/rust/issues/53667#issuecomment-471583239. r? @oli-obk
2019-05-10Various test changesMazdak Farrokhzad-2/+2
2019-05-10add regression test for #60629Marcel Hellwig-0/+10
2019-04-23Remove unnecessary ignore-tidy-linelengthvarkor-2/+0
2019-04-23Auto merge of #60172 - varkor:tidy-double-trailing-newline, r=kennytmbors-7/+0
Disallow double trailing newlines in tidy This wasn't done previously in https://github.com/rust-lang/rust/pull/47064#issuecomment-354533010 as it affected too many files, but I think it's best to fix it now so that the number of files with double trailing newlines doesn't keep increasing. r? kennytm
2019-04-22Remove leading newlinesvarkor-1/+0
2019-04-22Remove double trailing newlinesvarkor-7/+0
2019-04-22update tests for migrate mode by defaultMatthew Jasper-4/+4
2019-03-30Update testsJohn Kåre Alsaker-184/+184
2019-03-29Regression test for incremental treatment of ↵Felix S. Klock II-0/+19
rustc_scalar_valid_range_{start,end}.
2019-03-29Regression test for incremental treatment of rustc_on_unimplemented.Felix S. Klock II-0/+27
2019-03-20Add no_hash to query macro and move some queries overJohn Kåre Alsaker-159/+159
2019-03-18Add load_cached query modifier and keep dep node names consistent with query ↵John Kåre Alsaker-175/+175
names
2019-03-18Define queries using a proc macroJohn Kåre Alsaker-77/+77
2019-03-14Moved issue tests to subdirs and normalised names.Alexander Regueiro-3/+3
2019-03-06Regression test for #58813Felix S. Klock II-0/+14
(Update: Fixed test; revision is meant to introduce compile-failure, w/o ICE.)
2019-02-14Rollup merge of #58378 - alexcrichton:incremental-lto, r=michaelwoeristerMazdak Farrokhzad-0/+40
rustc: Implement incremental "fat" LTO Currently the compiler will produce an error if both incremental compilation and full fat LTO is requested. With recent changes and the advent of incremental ThinLTO, however, all the hard work is already done for us and it's actually not too bad to remove this error! This commit updates the codegen backend to allow incremental full fat LTO. The semantics are that the input modules to LTO are all produce incrementally, but the final LTO step is always done unconditionally regardless of whether the inputs changed or not. The only real incremental win we could have here is if zero of the input modules changed, but that's so rare it's unlikely to be worthwhile to implement such a code path. cc #57968 cc rust-lang/cargo#6643
2019-02-13Rollup merge of #58386 - Zoxc:fix-54242, r=michaelwoeristerMazdak Farrokhzad-0/+17
Fix #54242 r? @michaelwoerister
2019-02-12rustc: Implement incremental "fat" LTOAlex Crichton-0/+40
Currently the compiler will produce an error if both incremental compilation and full fat LTO is requested. With recent changes and the advent of incremental ThinLTO, however, all the hard work is already done for us and it's actually not too bad to remove this error! This commit updates the codegen backend to allow incremental full fat LTO. The semantics are that the input modules to LTO are all produce incrementally, but the final LTO step is always done unconditionally regardless of whether the inputs changed or not. The only real incremental win we could have here is if zero of the input modules changed, but that's so rare it's unlikely to be worthwhile to implement such a code path. cc #57968 cc rust-lang/cargo#6643
2019-02-12Set the query in the ImplicitCtxt before trying to mark it greenJohn Kåre Alsaker-0/+17
2019-02-10tests: doc commentsAlexander Regueiro-9/+9
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