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(parent: 99913ef) | patch
[InstCombine] Simplify select of cmpxchg transform
authorNikita Popov <nikita.ppv@gmail.com>
Sun, 29 Mar 2020 16:55:59 +0000 (18:55 +0200)
committerNikita Popov <nikita.ppv@gmail.com>
Sun, 29 Mar 2020 16:57:32 +0000 (18:57 +0200)
commit26fa33755f112194850a4bad62442f1043614213
tree988ae2898426fd3afbf58d319dc29e3df5fa40bbtree | snapshot
parent99913ef3d14fcbfc939d9547506b55ac76fd0c59commit | diff
[InstCombine] Simplify select of cmpxchg transform

Rather than converting to a dummy select with equal true and false
ops, just directly return the resulting value.

As a side-effect, this fixes missing DCE of the previously replaced
operand.
llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp diff | blob | history
Domain: System / Toolchain;