[llvm] [X86] Canonicalise insertps(insertps(v, s, c0), s, c1) patterns to blend(v,splat(s)) (PR #178649)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-aarch64-darwin` running on `doug-worker-4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/190/builds/35342

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM-Unit :: CAS/./CASTests/16/22' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:/Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/unittests/CAS/./CASTests-LLVM-Unit-68792-16-22.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=22 GTEST_SHARD_INDEX=16 /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/unittests/CAS/./CASTests
--

Note: This is test shard 17 of 22.
[==========] Running 2 tests from 2 test suites.
[----------] Global test environment set-up.
[----------] 1 test from OnDiskTrieRawHashMapTest
[ RUN      ] OnDiskTrieRawHashMapTest.OutOfSpace
[       OK ] OnDiskTrieRawHashMapTest.OutOfSpace (63 ms)
[----------] 1 test from OnDiskTrieRawHashMapTest (63 ms total)

[----------] 1 test from SHA1/CustomHasherOnDiskCASTest
[ RUN      ] SHA1/CustomHasherOnDiskCASTest.UnifiedOnDiskCacheTest/0
/Users/buildbot/buildbot-root/aarch64-darwin/llvm-project/llvm/unittests/CAS/UnifiedOnDiskCacheTest.cpp:59: Failure
Value of: llvm::detail::TakeError(UnifiedOnDiskCache::open(Temp.path(), SizeLimit, HashName, HashSize) .moveInto(UniDB))
Expected: succeeded
  Actual: failed  ('/private/var/folders/vr/v4b16fjd5rq17kr0ljsfxv740000gp/T/lit-tmp-ebd5v5ra/ondisk-unified-b9f591/v1.1/data.v1': No space left on device)

Assertion failed: (FD >= 0 && "File not yet open!"), function preferred_buffer_size, file raw_ostream.cpp, line 844.

--
exit: -6
--
shard JSON output does not exist: /Volumes/RAMDisk/buildbot-root/aarch64-darwin/build/unittests/CAS/./CASTests-LLVM-Unit-68792-16-22.json
********************


```

</details>

https://github.com/llvm/llvm-project/pull/178649