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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2019-05-28 17:54:13 +0000 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2019-05-28 17:54:13 +0000 |
| commit | 8c9b3e4e4a6b4c22293e13e81bee497e182ddd87 (patch) | |
| tree | e8f84c121e3fd94f21570b6841ac785e67e9eb03 /llvm/utils/gdb-scripts/prettyprinters.py | |
| parent | 6a24c9b9abd0f0f46161a93aa908ce4b32190db8 (diff) | |
| download | llvm-8c9b3e4e4a6b4c22293e13e81bee497e182ddd87.zip llvm-8c9b3e4e4a6b4c22293e13e81bee497e182ddd87.tar.gz llvm-8c9b3e4e4a6b4c22293e13e81bee497e182ddd87.tar.bz2 | |
[DAGCombine][X86][AArch64][AMDGPU] (x - y) + -1 -> add (xor y, -1), x fold
Summary:
This prevents regressions in next patch,
and somewhat recovers from the regression to AMDGPU test in D62223.
It is indeed not great that we leave vector decrement,
don't transform it into vector add all-ones..
https://rise4fun.com/Alive/ZRl
Reviewers: RKSimon, craig.topper, spatel, arsenm
Reviewed By: RKSimon, arsenm
Subscribers: kzhuravl, jvesely, wdng, nhaehnle, yaxunl, javed.absar, dstuttard, tpr, t-tye, kristof.beyls, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D62263
llvm-svn: 361855
Diffstat (limited to 'llvm/utils/gdb-scripts/prettyprinters.py')
0 files changed, 0 insertions, 0 deletions