Remove MIPS(64) builders from V8 infra

Removed all references to builds [v8_mips_compile_rel,
V8 Mips - builder, V8 Mips - big endian - nosnap] from
configuration files in master branch. Also removed
dead code and unused artifacts that resulted from the
above mentioned changes.

Bug: v8:8858
Change-Id: If9f8d9db433a50997f35219ef4ea9d8a91a1a495
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1798431
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Tamer Tas <tmrts@chromium.org>
Commit-Queue: Liviu Rau <liviurau@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63785}

.gitignore

@@ -73,8 +73,6 @@
 /tools/jsfunfuzz/jsfunfuzz
 /tools/jsfunfuzz/jsfunfuzz.tar.gz
 /tools/luci-go
-/tools/mips_toolchain
-/tools/mips_toolchain.tar.gz
 /tools/oom_dump/oom_dump
 /tools/oom_dump/oom_dump.o
 /tools/swarming_client

DEPS

@@ -23,7 +23,6 @@ vars = {
   'android_url': 'https://android.googlesource.com',
   'download_gcmole': False,
   'download_jsfunfuzz': False,
-  'download_mips_toolchain': False,
   'check_v8_header_includes': False,
 
   # GN CIPD package version.
@@ -391,13 +390,6 @@ hooks = [
     'action': ['python', 'v8/build/linux/sysroot_scripts/install-sysroot.py',
                '--arch=x86'],
   },
-  {
-    'name': 'sysroot_mips',
-    'pattern': '.',
-    'condition': '(checkout_linux and checkout_mips)',
-    'action': ['python', 'v8/build/linux/sysroot_scripts/install-sysroot.py',
-               '--arch=mips'],
-  },
   {
     'name': 'sysroot_x64',
     'pattern': '.',
@@ -495,19 +487,6 @@ hooks = [
     'condition': 'host_os == "mac" and checkout_fuchsia',
     'action': ['python', 'v8/tools/clang/scripts/download_objdump.py'],
   },
-  {
-    'name': 'mips_toolchain',
-    'pattern': '.',
-    'condition': 'download_mips_toolchain',
-    'action': [ 'download_from_google_storage',
-                '--no_resume',
-                '--platform=linux',
-                '--no_auth',
-                '-u',
-                '--bucket', 'chromium-v8',
-                '-s', 'v8/tools/mips_toolchain.tar.gz.sha1',
-    ],
-  },
   # Download and initialize "vpython" VirtualEnv environment packages.
   {
     'name': 'vpython_common',

infra/mb/mb_config.pyl

@@ -160,7 +160,6 @@
           'debug_simulate_arm64_no_snap',
       'V8 Linux - arm64 - sim - gc stress': 'debug_simulate_arm64',
       # Mips.
-      'V8 Mips - builder': 'release_mips_no_snap_no_i18n',
       'V8 Linux - mipsel - sim - builder': 'release_simulate_mipsel',
       'V8 Linux - mips64el - sim - builder': 'release_simulate_mips64el',
       # IBM.
@@ -250,7 +249,6 @@
       'v8_mac64_dbg': 'debug_x64',
       'v8_mac64_dbg_ng': 'debug_x64',
       'v8_mac64_asan_rel': 'release_x64_asan_no_lsan',
-      'v8_mips_compile_rel': 'release_mips_no_snap_no_i18n',
       'v8_linux_arm_rel_ng': 'release_simulate_arm_trybot',
       'v8_linux_arm_lite_rel_ng': 'release_simulate_arm_lite_trybot',
       'v8_linux_arm_dbg': 'debug_simulate_arm',
@@ -559,11 +557,6 @@
     'release_x86_verify_csa': [
       'release_bot', 'x86', 'dcheck_always_on',
       'v8_enable_slow_dchecks', 'v8_verify_csa'],
-
-    # Release configs for mips.
-    'release_mips_no_snap_no_i18n': [
-      'release', 'mips', 'no_sysroot', 'static', 'v8_no_i18n',
-      'v8_snapshot_none'],
   },
 
   'mixins': {
@@ -675,18 +668,6 @@
       'gn_args': 'symbol_level=1',
     },
 
-    'mips': {
-      'mixins': ['mips_bundled_toolchain'],
-      'gn_args': 'target_cpu="mips"',
-    },
-
-    'mips_bundled_toolchain': {
-      'gn_args': 'custom_toolchain="tools/toolchain:mips-bundled" '
-                 'ldso_path="tools/mips_toolchain/sysroot/usr/lib/ld.so.1" '
-                 'gcc_target_rpath="tools/mips_toolchain/sysroot/usr/lib:'
-                 'tools/mips_toolchain/mips-mti-linux-gnu/lib:\$ORIGIN/."',
-    },
-
     'msan': {
       'mixins': ['v8_enable_test_features'],
       'gn_args': ('is_msan=true msan_track_origins=2 '

infra/testing/builders.pyl

@@ -1543,19 +1543,6 @@
       {'name': 'v8testing', 'shards': 7},
     ],
   },
-  'V8 Mips - big endian - nosnap': {
-    'swarming_dimensions': {
-      'cpu': 'mips-32',
-      'os': 'Debian-8.7',
-    },
-    'swarming_task_attrs': {
-      'expiration': 18000,
-      'hard_timeout': 18000,
-    },
-    'tests': [
-      {'name': 'v8testing', 'variant': 'default', 'shards': 2},
-    ],
-  },
   ##############################################################################
   # Clusterfuzz.
   'V8 NumFuzz': {

tools/mips_toolchain.tar.gz.sha1

@@ -1 +0,0 @@
-d51b5d903340262d8d13ecd51054c16a901b3cf3