[llvm-dev] I've intertwined two branches

[Paul C. Anagnostopoulos via llvm-dev]

When I check out the main branch, do a pull --rebase, and ask for a log, 
I see the following. That line with '(lists, assert)' seems funky.

c:\llvm\llvm-project> git log --oneline -30
2690d4d45a63 (HEAD -> main, origin/main, origin/HEAD) [MLIR] Support 
symbols in emptiness checks for FlatAffineConstraints
e10493eb5012 [DebugInfo] Correctly track SDNode dependencies for list 
debug values
e184eeaa3ba1 [AMDGPU] Add some implicit uses to tests. NFC.
a1a372dfb526 [AMDGPU] SIFoldOperands: remove an unneeded isReg check. NFC.
2cb8c10342ee Revert "Reduce the number of attributes attached to each 
function"
466fab5c9410 [lsan] Mark 2 new lsan tests unsupported on arm-linux
2ecf928153fc [lldb/DWARF] Fix a crash parsing invalid dwarf (pr49678)
1e511bb1be71 [lldb] Re-skip TestVSCode_launch
9229465bad85 [NFC] Fix warning introduced in 
20105b6b4874a85813f7a4a3d8ad2a0f023dda14
a250e91d1034 [AMDGPU] SIFoldOperands: make use of emplace_back. NFC.
2724b57ecdbb [AMDGPU] SIFoldOperands: remove an unneeded 
make_early_inc_range. NFC.
c28f79a0e335 [AMDGPU] SIFoldOperands: try harder to fold cndmask 
instructions
e4de3cdf3d66 [LV] Pass VPWidenPHIRecipe to widenPHIInstruction (NFC).
9f0d8bac144c [analyzer] Fix dead store checker false positive
b785e03612d7 Support: mapped_file_region:  Pass MAP_NORESERVE to mmap
3344cd3a1477 [AMDGPU] SIFoldOperands: make tryFoldCndMask a member 
function. NFC.
c10cc4ea2729 [AMDGPU] Fix computing live registers in prolog
6fccfd7cbdca [InstCombine] add icmp with no-wrap add tests; NFC
14580ce2fdd1 (lists, assert) [TableGen] Make behavior of list slice 
suffix consistent across all values
3b9a15d910a8 [TableGen] Add support for the 'assert' statement in 
multiclasses
1206313f82f8 [CodeGen][AArch64] Fix isel crash for truncating FP stores
5299843c3146 [mlir][spirv] Add control for non-32-bit scalar type emulation
004f29c0bb3c [mlir][spirv] Timely fail type conversion

On 4/8/2021 11:01 AM, Stella Laurenzo wrote:
> Git happens to the best of us :)
>
> Since you've already pushed, upstream should be considered source of 
> truth. If I were you, I would start a new branch, pull fresh from 
> upstream and then git cherrypick commits you want to keep from your 
> local branches into the new branch. The git reflog is your friend on 
> this, especially if you start resetting, etc.
>
> Since I see you are on Windows, I recall some of these things to be 
> fairly easy with the Forks git gui.
>
> There are probably better ways to repair, but for me, when I mess it 
> all up, I find it easier to low tech reconstruct what I want vs 
> advanced solutions.
>
> On Thu, Apr 8, 2021, 6:12 AM Paul C. Anagnostopoulos via llvm-dev 
> <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>
>     Somehow I have managed to intertwine two branches in my local
>     repository. They are 'assert' and 'lists'. Here is what I see:
>
>     Switched to branch 'assert'
>       c:\llvm\llvm-project> git log2
>       14580ce2fdd1 (HEAD -> assert, origin/main, origin/HEAD, main,
>     lists) [TableGen] Make behavior of list slice suffix consistent
>     across all values
>       3b9a15d910a8 [TableGen] Add support for the 'assert' statement
>     in multiclasses
>
>     Switched to branch 'lists'
>       c:\llvm\llvm-project> git log2
>       14580ce2fdd1 (HEAD -> lists, origin/main, origin/HEAD, main,
>     assert) [TableGen] Make behavior of list slice suffix consistent
>     across all values
>       3b9a15d910a8 [TableGen] Add support for the 'assert' statement
>     in multiclasses
>
>     I have no idea how I did this. Unfortunately, I ended up pushing
>     both revisions when I meant to push only the 'lists' branch. I
>     could use some help sorting out my local repository.
>

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