#!/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" tests/{codegen-units,ui,incremental}); do
  rm $test
done

# should-fail tests don't work when compiletest is compiled with panic=abort
for test in $(rg --files-with-matches "//@ should-fail" 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/
git checkout -- tests/ui/entry-point/auxiliary/bad_main_functions.rs

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

# vendor intrinsics
rm tests/ui/asm/x86_64/evex512-implicit-feature.rs # unimplemented AVX512 x86 vendor intrinsic
rm tests/ui/simd/dont-invalid-bitcast-x86_64.rs # unimplemented llvm.x86.sse41.round.ps

# exotic linkages
rm tests/incremental/hashes/function_interfaces.rs
rm tests/incremental/hashes/statics.rs
rm -r tests/run-make/naked-symbol-visibility

# 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
rm -r tests/run-make/c-link-to-rust-va-list-fn # requires callee side vararg support
rm tests/ui/delegation/fn-header.rs

# misc unimplemented things
rm tests/ui/target-feature/missing-plusminus.rs # error not implemented
rm -r tests/run-make/repr128-dwarf # debuginfo test
rm -r tests/run-make/split-debuginfo # same
rm -r tests/run-make/target-specs # i686 not supported by Cranelift
rm -r tests/run-make/mismatching-target-triples # same
rm tests/ui/asm/x86_64/issue-96797.rs # const and sym inline asm operands don't work entirely correctly
rm tests/ui/asm/global-asm-mono-sym-fn.rs # same
rm tests/ui/asm/naked-asm-mono-sym-fn.rs # same
rm tests/ui/asm/x86_64/goto.rs # inline asm labels not supported
rm tests/ui/simd/simd-bitmask-notpow2.rs # non-pow-of-2 simd vector sizes
rm -r tests/run-make/embed-source-dwarf # embedding sources in debuginfo

# requires LTO
rm -r tests/run-make/cdylib
rm -r tests/run-make/codegen-options-parsing
rm -r tests/run-make/lto-*
rm -r tests/run-make/reproducible-build-2
rm -r tests/run-make/no-builtins-lto
rm -r tests/run-make/reachable-extern-fn-available-lto

# coverage instrumentation
rm tests/ui/consts/precise-drop-with-coverage.rs
rm tests/ui/issues/issue-85461.rs
rm -r tests/ui/instrument-coverage/

# optimization tests
# ==================
rm tests/ui/codegen/issue-28950.rs # depends on stack size optimizations
rm tests/ui/codegen/init-large-type.rs # same
rm -r tests/run-make/fmt-write-bloat/ # tests an optimization
rm tests/ui/statics/const_generics.rs # same
rm tests/ui/linking/executable-no-mangle-strip.rs # requires --gc-sections to work for statics

# backend specific tests
# ======================
rm tests/incremental/thinlto/cgu_invalidated_when_import_{added,removed}.rs # requires LLVM
rm -r tests/run-make/cross-lang-lto # same
rm -r tests/run-make/volatile-intrinsics # same
rm -r tests/run-make/llvm-ident # same
rm -r tests/run-make/no-builtins-attribute # same
rm -r tests/run-make/pgo-gen-no-imp-symbols # same
rm -r tests/run-make/llvm-location-discriminator-limit-dummy-span # same
rm tests/ui/abi/stack-protector.rs # requires stack protector support
rm -r tests/run-make/emit-stack-sizes # requires support for -Z emit-stack-sizes
rm -r tests/run-make/optimization-remarks-dir # remarks are LLVM specific
rm -r tests/ui/optimization-remark.rs # same
rm -r tests/run-make/print-to-output # requires --print relocation-models

# requires asm, llvm-ir and/or llvm-bc emit support
# =============================================
rm -r tests/run-make/emit-named-files
rm -r tests/run-make/multiple-emits
rm -r tests/run-make/output-type-permutations
rm -r tests/run-make/emit-to-stdout
rm -r tests/run-make/compressed-debuginfo
rm -r tests/run-make/symbols-include-type-name
rm -r tests/run-make/notify-all-emit-artifacts
rm -r tests/run-make/reset-codegen-1
rm -r tests/run-make/inline-always-many-cgu
rm -r tests/run-make/intrinsic-unreachable

# 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/consts/const-mut-refs-crate.rs # same
rm tests/ui/abi/large-byval-align.rs # exceeds implementation limit of Cranelift

# 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/remap-path-prefix-dwarf # requires llvm-dwarfdump
rm -r tests/run-make/strip # same
rm -r tests/run-make-cargo/compiler-builtins # Expects lib/rustlib/src/rust to contains the standard library source
rm -r tests/run-make/translation # same
rm -r tests/run-make/missing-unstable-trait-bound # This disables support for unstable features, but running cg_clif needs some unstable features
rm -r tests/run-make/const-trait-stable-toolchain # same
rm -r tests/run-make/print-request-help-stable-unstable # same
rm -r tests/run-make/incr-add-rust-src-component
rm tests/ui/errors/remap-path-prefix-sysroot.rs # different sysroot source path
rm -r tests/run-make/export/extern-opt # something about rustc version mismatches
rm -r tests/run-make/export # same

# genuine bugs
# ============
rm -r tests/run-make/extern-fn-explicit-align # argument alignment not yet supported
rm -r tests/run-make/panic-abort-eh_frame # .eh_frame emitted with panic=abort

# bugs in the test suite
# ======================
rm tests/ui/process/nofile-limit.rs # TODO some AArch64 linking issue
rm tests/ui/backtrace/synchronized-panic-handler.rs # missing needs-unwind annotation
rm tests/ui/lint/non-snake-case/lint-non-snake-case-crate.rs # same
rm tests/ui/async-await/async-drop/async-drop-initial.rs # same (rust-lang/rust#140493)
rm -r tests/ui/codegen/equal-pointers-unequal # make incorrect assumptions about the location of stack variables

rm tests/ui/stdio-is-blocking.rs # really slow with unoptimized libstd
rm tests/ui/intrinsics/panic-uninitialized-zeroed.rs # same
rm tests/ui/process/process-panic-after-fork.rs # same

cp ../dist/bin/rustdoc-clif ../dist/bin/rustdoc # some tests expect bin/rustdoc to exist

cat <<EOF | git apply -
diff --git a/src/tools/compiletest/src/runtest/run_make.rs b/src/tools/compiletest/src/runtest/run_make.rs
index 073116933bd..c3e4578204d 100644
--- a/src/tools/compiletest/src/runtest/run_make.rs
+++ b/src/tools/compiletest/src/runtest/run_make.rs
@@ -109,7 +109,6 @@ pub(super) fn run_rmake_test(&self) {
             // library or compiler features. Here, we force the stage 0 rustc to consider itself as
             // a stable-channel compiler via \`RUSTC_BOOTSTRAP=-1\` to prevent *any* unstable
             // library/compiler usages, even if stage 0 rustc is *actually* a nightly rustc.
-            .env("RUSTC_BOOTSTRAP", "-1")
             .arg("-o")
             .arg(&recipe_bin)
             // Specify library search paths for \`run_make_support\`.
EOF

echo "[TEST] rustc test suite"
./x.py test --stage 0 --test-args=--no-capture tests/{codegen-units,run-make,run-make-cargo,ui,incremental}
popd