[llvm] Revert "MTM: fix issues after cursory reading" (PR #100559)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-expensive-checks-debian` running on `gribozavr4` while building `llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/16/builds/2392

Here is the relevant piece of the build log for the reference:
```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'LLVM :: CodeGen/AArch64/sve-stack-frame-layout.ll' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 2: /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/llc < /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll -mtriple=aarch64 -mattr=+sve2 | /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/FileCheck /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll --check-prefixes=CHECK
+ /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/FileCheck /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll --check-prefixes=CHECK
+ /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/llc -mtriple=aarch64 -mattr=+sve2
RUN: at line 3: /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/llc < /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll -mtriple=aarch64 -mattr=+sve2 -pass-remarks-analysis=stack-frame-layout 2>&1 >/dev/null | /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/FileCheck /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll --check-prefixes=CHECK-FRAMELAYOUT
+ /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/FileCheck /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll --check-prefixes=CHECK-FRAMELAYOUT
+ /b/1/llvm-clang-x86_64-expensive-checks-debian/build/bin/llc -mtriple=aarch64 -mattr=+sve2 -pass-remarks-analysis=stack-frame-layout
/b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll:516:27: error: CHECK-FRAMELAYOUT-NEXT: is not on the line after the previous match
; CHECK-FRAMELAYOUT-NEXT: Offset: [SP-128], Type: Variable, Align: 16, Size: 16
                          ^
<stdin>:111:1: note: 'next' match was here
Offset: [SP-128], Type: Variable, Align: 16, Size: 16
^
<stdin>:109:49: note: previous match ended here
Offset: [SP-112], Type: Spill, Align: 8, Size: 8
                                                ^
<stdin>:110:1: note: non-matching line after previous match is here
Offset: [SP-128], Type: Variable, Align: 16, Size: 0
^

Input file: <stdin>
Check file: /b/1/llvm-clang-x86_64-expensive-checks-debian/llvm-project/llvm/test/CodeGen/AArch64/sve-stack-frame-layout.ll

-dump-input=help explains the following input dump.

Input was:
<<<<<<
          .
          .
          .
        106: Offset: [SP-88], Type: Spill, Align: 8, Size: 8 
        107: Offset: [SP-96], Type: Spill, Align: 8, Size: 8 
        108: Offset: [SP-104], Type: Spill, Align: 8, Size: 8 
        109: Offset: [SP-112], Type: Spill, Align: 8, Size: 8 
        110: Offset: [SP-128], Type: Variable, Align: 16, Size: 0 
        111: Offset: [SP-128], Type: Variable, Align: 16, Size: 16 
next:516     !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  error: match on wrong line
>>>>>>

--

********************


```

https://github.com/llvm/llvm-project/pull/100559