refactor some `FnType` stuff to `rustc::ty::layout` #60693

saleemjaffer · 2019-05-10T08:14:17Z

Does work in the direction of #56166.

rust-highfive · 2019-05-10T08:14:21Z

r? @matthewjasper

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saleemjaffer · 2019-05-10T08:14:47Z

r? @eddyb

saleemjaffer · 2019-05-10T08:19:10Z

@eddyb Should I make adjust_for_abi an inherent method on FnType in librustc_target/abi/call/mod.rs?

rust-highfive · 2019-05-10T08:42:53Z

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

travis_time:end:05bf0e76:start=1557476120354153745,finish=1557476206910210498,duration=86556056753
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout

Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
$ export GCP_CACHE_BUCKET=rust-lang-ci-cache
$ export AWS_ACCESS_KEY_ID=AKIA46X5W6CZEJZ6XT55
---
[00:25:39]    Compiling rustc-demangle v0.1.10
[00:25:42]    Compiling num_cpus v1.8.0
[00:25:44]    Compiling memmap v0.6.2
[00:25:47]    Compiling rustc_llvm v0.0.0 (/checkout/src/librustc_llvm)
[00:25:51] error: unused imports: `Abi as LayoutAbi`, `Size`, `TyLayout`
[00:25:51]   --> src/librustc_codegen_llvm/abi.rs:14:50
[00:25:51]    |
[00:25:51] 14 | use rustc_target::abi::{HasDataLayout, LayoutOf, Size, TyLayout, Abi as LayoutAbi};
[00:25:51]    |
[00:25:51]    = note: `-D unused-imports` implied by `-D warnings`
[00:25:51] 
[00:25:51] error: unused import: `PointerKind`
[00:25:51] error: unused import: `PointerKind`
[00:25:51]   --> src/librustc_codegen_llvm/abi.rs:16:31
[00:25:51]    |
[00:25:51] 16 | use rustc::ty::layout::{self, PointerKind};
[00:25:51]    |                               ^^^^^^^^^^^
[00:25:51] 
[00:25:51] error[E0599]: no function or associated item named `new` found for type `rustc_target::abi::call::FnType<'_, _>` in the current scope
[00:25:51]    --> src/librustc_codegen_llvm/abi.rs:550:17
[00:25:51]     |
[00:25:51] 550 |         FnType::new(&self, sig, extra_args)
[00:25:51]     |                 ^^^ function or associated item not found in `rustc_target::abi::call::FnType<'_, _>`
[00:25:51]     = help: items from traits can only be used if the trait is in scope
[00:25:51]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[00:25:51]             `use crate::rustc::ty::layout::FnTypeExt;`
[00:25:51] 
[00:25:51] 
[00:25:51] error[E0599]: no function or associated item named `new_vtable` found for type `rustc_target::abi::call::FnType<'_, _>` in the current scope
[00:25:51]    --> src/librustc_codegen_llvm/abi.rs:557:17
[00:25:51]     |
[00:25:51] 557 |         FnType::new_vtable(&self, sig, extra_args)
[00:25:51]     |                 ^^^^^^^^^^ function or associated item not found in `rustc_target::abi::call::FnType<'_, _>`
[00:25:51]     = help: items from traits can only be used if the trait is in scope
[00:25:51]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[00:25:51]             `use crate::rustc::ty::layout::FnTypeExt;`
[00:25:51] 
[00:25:51] 
[00:25:51] error[E0599]: no function or associated item named `of_instance` found for type `rustc_target::abi::call::FnType<'_, _>` in the current scope
[00:25:51]    --> src/librustc_codegen_llvm/abi.rs:560:17
[00:25:51]     |
[00:25:51] 560 |         FnType::of_instance(&self, instance)
[00:25:51]     |                 ^^^^^^^^^^^ function or associated item not found in `rustc_target::abi::call::FnType<'_, _>`
[00:25:51]     = help: items from traits can only be used if the trait is in scope
[00:25:51]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[00:25:51]             `use crate::rustc::ty::layout::FnTypeExt;`
[00:25:51] 
[00:25:51] 
[00:25:52] error[E0599]: no function or associated item named `new` found for type `rustc_target::abi::call::FnType<'_, _>` in the current scope
[00:25:52]     |
[00:25:52]     |
[00:25:52] 103 |         let fty = FnType::new(self, sig, &[]);
[00:25:52]     |                           ^^^ function or associated item not found in `rustc_target::abi::call::FnType<'_, _>`
[00:25:52]     = help: items from traits can only be used if the trait is in scope
[00:25:52]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[00:25:52]             `use crate::rustc::ty::layout::FnTypeExt;`
[00:25:52] 
[00:25:52] 
[00:25:53] error[E0599]: no function or associated item named `new` found for type `rustc_target::abi::call::FnType<'_, _>` in the current scope
[00:25:53]    --> src/librustc_codegen_llvm/type_of.rs:242:53
[00:25:53]     |
[00:25:53] 242 |                     cx.fn_ptr_backend_type(&FnType::new(cx, sig, &[]))
[00:25:53]     |                                                     ^^^ function or associated item not found in `rustc_target::abi::call::FnType<'_, _>`
[00:25:53]     = help: items from traits can only be used if the trait is in scope
[00:25:53]     = note: the following trait is implemented but not in scope, perhaps add a `use` for it:
[00:25:53]             `use crate::rustc::ty::layout::FnTypeExt;`
[00:25:53] 
[00:25:53] 
[00:25:53] error: unused import: `FnTypeExt`
[00:25:53]   --> src/librustc_codegen_llvm/declare.rs:16:26
[00:25:53]    |
[00:25:53] 16 | use crate::abi::{FnType, FnTypeExt};
[00:25:53] 
[00:25:53] error: unused import: `FnTypeExt`
[00:25:53]  --> src/librustc_codegen_llvm/type_of.rs:1:26
[00:25:53]   |
[00:25:53]   |
[00:25:53] 1 | use crate::abi::{FnType, FnTypeExt};
[00:25:53] 
[00:25:53] error: aborting due to 9 previous errors
[00:25:53] 
[00:25:53] For more information about this error, try `rustc --explain E0599`.
---
travis_time:end:005af32d:start=1557477770108556458,finish=1557477770113085927,duration=4529469
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:0ec68c6e
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:end:after_failure.4
travis_fold:start:after_failure.5
travis_time:start:06c5e068
$ cat ./obj/build/x86_64-unknown-linux-gnu/native/asan/build/lib

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

hellow554 · 2019-05-10T09:11:36Z

Why is the diff so big? Did you change line ending or whitespaces (tabs to spaces or vice versa)?

saleemjaffer · 2019-05-10T10:18:41Z

Well, this is basically a refactor. I have moved some code from one file to another file. That's why the diff is big. No other reason.

hellow554 · 2019-05-10T10:34:20Z

D'oh. I didn't see that they are two different files. Stupid me, sorry.

src/librustc/ty/layout.rs

rust-highfive · 2019-05-13T05:21:34Z

The job x86_64-gnu-llvm-6.0 of your PR failed on Travis (raw log). Through arcane magic we have determined that the following fragments from the build log may contain information about the problem.

Click to expand the log.

travis_time:end:0331ef0f:start=1557722405009871566,finish=1557722492595699672,duration=87585828106
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout

Encrypted environment variables have been removed for security reasons.
See https://docs.travis-ci.com/user/pull-requests/#pull-requests-and-security-restrictions
$ export SCCACHE_BUCKET=rust-lang-ci-sccache2
$ export SCCACHE_REGION=us-west-1
$ export GCP_CACHE_BUCKET=rust-lang-ci-cache
$ export AWS_ACCESS_KEY_ID=AKIA46X5W6CZEJZ6XT55
---
[00:38:24]    Compiling syntax_pos v0.0.0 (/checkout/src/libsyntax_pos)
[00:38:25] error: Could not compile `syntax_pos`.
[00:38:25] 
[00:38:25] Caused by:
[00:38:25]   process didn't exit successfully: `/checkout/obj/build/bootstrap/debug/rustc --edition=2018 --crate-name syntax_pos src/libsyntax_pos/lib.rs --color always --error-format json --crate-type dylib --emit=dep-info,link -C prefer-dynamic -C opt-level=2 -C metadata=d46843837a41024c -C extra-filename=-d46843837a41024c --out-dir /checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps --target x86_64-unknown-linux-gnu -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps -L dependency=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/release/deps --extern arena=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libarena-14b5fc1195912829.so --extern cfg_if=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libcfg_if-25f7973b49aaf9c0.rlib --extern rustc_data_structures=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/librustc_data_structures-3b12615f7748fb48.so --extern rustc_macros=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/release/deps/librustc_macros-ad4581548d76fa48.so --extern scoped_tls=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libscoped_tls-fee9662c14477a45.rlib --extern serialize=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libserialize-65c4157205da4e40.so --extern serialize=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libserialize-65c4157205da4e40.rlib --extern unicode_width=/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-rustc/x86_64-unknown-linux-gnu/release/deps/libunicode_width-ec3a485b818c54ba.rlib` (signal: 11, SIGSEGV: invalid memory reference)
[00:39:46] error: build failed
[00:39:46] command did not execute successfully: "/checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo" "build" "--target" "x86_64-unknown-linux-gnu" "-j" "4" "--release" "--locked" "--color" "always" "--features" "" "--manifest-path" "/checkout/src/rustc/Cargo.toml" "--message-format" "json"
[00:39:46] expected success, got: exit code: 101
[00:39:46] failed to run: /checkout/obj/build/bootstrap/debug/bootstrap build
---
travis_time:end:12096cec:start=1557724889925403017,finish=1557724889932235852,duration=6832835
travis_fold:end:after_failure.3
travis_fold:start:after_failure.4
travis_time:start:0711a934
$ ln -s . checkout && for CORE in obj/cores/core.*; do EXE=$(echo $CORE | sed 's|obj/cores/core\.[0-9]*\.!checkout!\(.*\)|\1|;y|!|/|'); if [ -f "$EXE" ]; then printf travis_fold":start:crashlog\n\033[31;1m%s\033[0m\n" "$CORE"; gdb --batch -q -c "$CORE" "$EXE" -iex 'set auto-load off' -iex 'dir src/' -iex 'set sysroot .' -ex bt -ex q; echo travis_fold":"end:crashlog; fi; done || true
travis_fold:start:crashlog
obj/cores/core.10397.!checkout!obj!build!x86_64-unknown-linux-gnu!stage1!bin!rustc
[New LWP 10398]
[New LWP 10397]
warning: Could not load shared library symbols for 14 libraries, e.g. /lib/x86_64-linux-gnu/libc.so.6.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
ustc_interface..interface..Compiler$GT$::expansion::h3c4e5511d7b6c0fa () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/../lib/librustc_interface-d40570b20b31e1f6.so
#16 0x00007fd51837264b in rustc_interface::queries::_$LT$impl$u20$rustc_interface..interface..Compiler$GT$::lower_to_hir::h9dfdda6305d8b8b4 () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/../lib/librustc_interface-d40570b20b31e1f6.so
#17 0x00007fd518372cc9 in rustc_interface::queries::_$LT$impl$u20$rustc_interface..interface..Compiler$GT$::prepare_outputs::hf555e74849db2284 () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/../lib/librustc_interface-d40570b20b31e1f6.so
#18 0x00007fd518f52918 in rustc_interface::interface::run_compiler_in_existing_thread_pool::h8c6409a23c1fa7a7 () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/librustc_driver-60a1cd996b8c2db5.so
#19 0x00007fd518fc4366 in std::thread::local::LocalKey$LT$T$GT$::with::ha46e068d86419b52 () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/librustc_driver-60a1cd996b8c2db5.so
#20 0x00007fd518f69765 in scoped_tls::ScopedKey$LT$T$GT$::set::h0f66fae6d7ca732c () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/librustc_driver-60a1cd996b8c2db5.so
#21 0x00007fd518fa15c2 in syntax::with_globals::h25baa84e87b093e6 () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage1/bin/../lib/librustc_driver-60a1cd996b8c2db5.so
#22 0x00007fd518ede115 in std::sys_common::backtrace::__rust_begin_short_backtrace::h06fb4440f32b393c () from ./checkout/obj/build/x86_64-unknown-linux-gnu/stage

I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact @TimNN. (Feature Requests)

saleemjaffer · 2019-05-13T07:53:31Z

@oli-obk Any idea about this error?

error: Could not compile `syntax_pos`.

Caused by:
  process didn't exit successfully: `/Users/acko034/rust/build/bootstrap/debug/rustc --edition=2018 --crate-name syntax_pos src/libsyntax_pos/lib.rs --color always --error-format json --crate-type dylib --emit=dep-info,link -C prefer-dynamic -C opt-level=2 -C metadata=4cf44357de86c90a -C extra-filename=-4cf44357de86c90a --out-dir /Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps --target x86_64-apple-darwin -C incremental=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/incremental -L dependency=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps -L dependency=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/release/deps --extern arena=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libarena-9113d823ad0fac3a.dylib --extern cfg_if=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libcfg_if-817962401f6d45f3.rlib --extern rustc_data_structures=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/librustc_data_structures-535ff1b0c2fb6169.dylib --extern rustc_macros=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/release/deps/librustc_macros-e21c299017fe644b.dylib --extern scoped_tls=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libscoped_tls-4ca8af8a9a53aa58.rlib --extern serialize=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libserialize-c636480d8730f10f.dylib --extern serialize=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libserialize-c636480d8730f10f.rlib --extern unicode_width=/Users/acko034/rust/build/x86_64-apple-darwin/stage1-rustc/x86_64-apple-darwin/release/deps/libunicode_width-4198939c88977c7e.rlib` (signal: 10, SIGBUS: access to undefined memory)
command did not execute successfully: "/Users/acko034/rust/build/x86_64-apple-darwin/stage0/bin/cargo" "build" "--target" "x86_64-apple-darwin" "-j" "4" "--release" "--features" "" "--manifest-path" "/Users/acko034/rust/src/rustc/Cargo.toml" "--message-format" "json"
expected success, got: exit code: 101
failed to run: /Users/acko034/rust/build/bootstrap/debug/bootstrap build -i --stage 1 src/librustc_codegen_llvm
Build completed unsuccessfully in 0:00:17

RalfJung · 2019-05-13T11:59:28Z

fixes #56166.

This doesn't "fix" that issue -- we still have to wire up the new code with Miri. But it works towards that issue. So please reword the original comment to avoid closing #56166.

src/librustc_codegen_llvm/abi.rs

src/librustc_codegen_llvm/declare.rs

eddyb · 2019-05-14T15:56:27Z

@bors r+

bors · 2019-05-14T15:56:29Z

📌 Commit 44eb607 has been approved by eddyb

… r=eddyb refactor some `FnType` stuff to `rustc::ty::layout` Does work in the direction of rust-lang#56166.

bors · 2019-05-16T01:26:21Z

⌛ Testing commit 44eb607 with merge 49d139c...

refactor some `FnType` stuff to `rustc::ty::layout` Does work in the direction of #56166.

bors · 2019-05-16T04:15:07Z

☀️ Test successful - checks-travis, status-appveyor
Approved by: eddyb
Pushing 49d139c to master...

refactor some FnType stuff to rustc::ty::layout

11426a4

rust-highfive assigned matthewjasper May 10, 2019

rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 10, 2019

rust-highfive assigned eddyb and unassigned matthewjasper May 10, 2019

saleemjaffer changed the title ~~refactor some FnType stuff to rustc::ty::layout~~ [WIP] refactor some FnType stuff to rustc::ty::layout May 10, 2019

oli-obk reviewed May 10, 2019

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eddyb reviewed May 13, 2019

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saleemjaffer added 2 commits May 14, 2019 14:14

some more refactor of FnType. Things build now

3031705

refactor complete

e1b3c79

saleemjaffer force-pushed the refactor_fntype_stuff branch from 8b7b2c6 to e1b3c79 Compare May 14, 2019 09:52

saleemjaffer changed the title ~~[WIP] refactor some FnType stuff to rustc::ty::layout~~ refactor some FnType stuff to rustc::ty::layout May 14, 2019

eddyb reviewed May 14, 2019

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removes AbiMethods

44eb607

eddyb approved these changes May 14, 2019

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bors removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label May 14, 2019

bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label May 14, 2019

Centril added a commit to Centril/rust that referenced this pull request May 15, 2019

Rollup merge of rust-lang#60693 - saleemjaffer:refactor_fntype_stuff,…

efe0b01

… r=eddyb refactor some `FnType` stuff to `rustc::ty::layout` Does work in the direction of rust-lang#56166.

Centril mentioned this pull request May 15, 2019

Rollup of 6 pull requests #60844

Closed

bors added a commit that referenced this pull request May 16, 2019

Auto merge of #60693 - saleemjaffer:refactor_fntype_stuff, r=eddyb

49d139c

refactor some `FnType` stuff to `rustc::ty::layout` Does work in the direction of #56166.

bors added the merged-by-bors This PR was explicitly merged by bors. label May 16, 2019

bors merged commit 44eb607 into rust-lang:master May 16, 2019

bors mentioned this pull request May 16, 2019

Refactor C FFI variadics to more closely match their C counterparts, and add Clone implementation #59625

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refactor some `FnType` stuff to `rustc::ty::layout` #60693

refactor some `FnType` stuff to `rustc::ty::layout` #60693

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refactor some FnType stuff to rustc::ty::layout #60693

refactor some FnType stuff to rustc::ty::layout #60693

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refactor some `FnType` stuff to `rustc::ty::layout` #60693

refactor some `FnType` stuff to `rustc::ty::layout` #60693

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