#!/usr/bin/env bash
set -e

cd $(dirname "$0")/../

source ./scripts/setup_rust_fork.sh

echo "[TEST] Test suite of rustc"
pushd rust

command -v rg >/dev/null 2>&1 || cargo install ripgrep

rm -r tests/ui/{unsized-locals/,lto/,linkage*} || true
for test in $(rg --files-with-matches "lto|// needs-asm-support|// needs-unwind" tests/{codegen-units,ui,incremental}); do
  rm $test
done

for test in $(rg -i --files-with-matches "//(\[\w+\])?~[^\|]*\s*ERR|// error-pattern:|// build-fail|// run-fail|-Cllvm-args" tests/ui); do
  rm $test
done

git checkout -- tests/ui/issues/auxiliary/issue-3136-a.rs # contains //~ERROR, but shouldn't be removed
git checkout -- tests/ui/proc-macro/pretty-print-hack/
rm tests/ui/parser/unclosed-delimiter-in-dep.rs # submodule contains //~ERROR

# missing features
# ================

# requires stack unwinding
rm tests/incremental/change_crate_dep_kind.rs
rm tests/incremental/issue-80691-bad-eval-cache.rs # -Cpanic=abort causes abort instead of exit(101)

# requires compiling with -Cpanic=unwind
rm -r tests/ui/macros/rfc-2011-nicer-assert-messages/
rm -r tests/run-make/test-benches
rm tests/ui/test-attrs/test-type.rs

# vendor intrinsics
rm tests/ui/sse2.rs # cpuid not supported, so sse2 not detected
rm tests/ui/intrinsics/const-eval-select-x86_64.rs # requires x86_64 vendor intrinsics
rm tests/ui/simd/array-type.rs # "Index argument for `simd_insert` is not a constant"
rm tests/ui/simd/intrinsic/float-math-pass.rs # simd_fcos unimplemented

# exotic linkages
rm tests/ui/issues/issue-33992.rs # unsupported linkages
rm tests/incremental/hashes/function_interfaces.rs # same
rm tests/incremental/hashes/statics.rs # same

# variadic arguments
rm tests/ui/abi/mir/mir_codegen_calls_variadic.rs # requires float varargs
rm tests/ui/abi/variadic-ffi.rs # requires callee side vararg support

# unsized locals
rm -r tests/run-pass-valgrind/unsized-locals

# misc unimplemented things
rm tests/ui/intrinsics/intrinsic-nearby.rs # unimplemented nearbyintf32 and nearbyintf64 intrinsics
rm tests/ui/target-feature/missing-plusminus.rs # error not implemented
rm tests/ui/fn/dyn-fn-alignment.rs # wants a 256 byte alignment
rm -r tests/run-make/emit-named-files # requires full --emit support
rm -r tests/run-make/repr128-dwarf # debuginfo test

# optimization tests
# ==================
rm tests/ui/codegen/issue-28950.rs # depends on stack size optimizations
rm tests/ui/codegen/init-large-type.rs # same
rm tests/ui/issues/issue-40883.rs # same
rm -r tests/run-make/fmt-write-bloat/ # tests an optimization

# backend specific tests
# ======================
rm tests/incremental/thinlto/cgu_invalidated_when_import_{added,removed}.rs # requires LLVM
rm tests/ui/abi/stack-protector.rs # requires stack protector support

# giving different but possibly correct results
# =============================================
rm tests/ui/mir/mir_misc_casts.rs # depends on deduplication of constants
rm tests/ui/mir/mir_raw_fat_ptr.rs # same
rm tests/ui/consts/issue-33537.rs # same
rm tests/ui/layout/valid_range_oob.rs # different ICE message

rm tests/ui/consts/issue-miri-1910.rs # different error message
rm tests/ui/consts/offset_ub.rs # same
rm tests/ui/consts/const-eval/ub-slice-get-unchecked.rs # same
rm tests/ui/intrinsics/panic-uninitialized-zeroed.rs # same
rm tests/ui/lint/lint-const-item-mutation.rs # same
rm tests/ui/pattern/usefulness/doc-hidden-non-exhaustive.rs # same
rm tests/ui/suggestions/derive-trait-for-method-call.rs # same
rm tests/ui/typeck/issue-46112.rs # same

rm tests/ui/proc-macro/crt-static.rs # extra warning about -Cpanic=abort for proc macros
rm tests/ui/proc-macro/proc-macro-deprecated-attr.rs # same
rm tests/ui/proc-macro/quote-debug.rs # same
rm tests/ui/proc-macro/no-missing-docs.rs # same
rm tests/ui/rust-2018/proc-macro-crate-in-paths.rs # same
rm tests/ui/proc-macro/allowed-signatures.rs # same

# doesn't work due to the way the rustc test suite is invoked.
# should work when using ./x.py test the way it is intended
# ============================================================
rm -r tests/run-make/emit-shared-files # requires the rustdoc executable in dist/bin/
rm -r tests/run-make/unstable-flag-required # same
rm -r tests/run-make/rustdoc-* # same
rm -r tests/run-make/issue-88756-default-output # same
rm -r tests/run-make/remap-path-prefix-dwarf # requires llvm-dwarfdump
rm -r tests/ui/consts/missing_span_in_backtrace.rs # expects sysroot source to be elsewhere

# genuine bugs
# ============
rm tests/incremental/spike-neg1.rs # errors out for some reason
rm tests/incremental/spike-neg2.rs # same

rm tests/ui/simd/intrinsic/generic-reduction-pass.rs # simd_reduce_add_unordered doesn't accept an accumulator for integer vectors

rm tests/ui/simd/simd-bitmask.rs # crash

# bugs in the test suite
# ======================
rm tests/ui/backtrace.rs # TODO warning
rm tests/ui/process/nofile-limit.rs # TODO some AArch64 linking issue

rm tests/ui/stdio-is-blocking.rs # really slow with unoptimized libstd

echo "[TEST] rustc test suite"
RUST_TEST_NOCAPTURE=1 COMPILETEST_FORCE_STAGE0=1 ./x.py test --stage 0 tests/{codegen-units,run-make,run-pass-valgrind,ui,incremental}
popd