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| author | Kerry McLaughlin <kerry.mclaughlin@arm.com> | 2025-09-11 13:53:22 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-09-11 13:53:22 +0100 |
| commit | b9fd1e6fce8c5ea80cb0db9b73fbdfdc371409c6 (patch) | |
| tree | b6c41450bfa9ff25a595a02896a07cbd360f8ae8 /llvm/unittests/Support/MathExtrasTest.cpp | |
| parent | c09cc2c5a3d57506d8744fa889f35a6aa260a52b (diff) | |
| download | llvm-b9fd1e6fce8c5ea80cb0db9b73fbdfdc371409c6.zip llvm-b9fd1e6fce8c5ea80cb0db9b73fbdfdc371409c6.tar.gz llvm-b9fd1e6fce8c5ea80cb0db9b73fbdfdc371409c6.tar.bz2 | |
[AArch64][SVE2p1] Remove redundant PTESTs when predicate is a WHILEcc_x2 (#156478)
The optimisation in canRemovePTestInstr tries to remove ptest instructions when
the predicate is the result of a WHILEcc. This patch extends the support to
WHILEcc (predicate pair) by:
- Including the WHILEcc_x2 intrinsics in isPredicateCCSettingOp, allowing
performFirstTrueTestVectorCombine to create the PTEST.
- Setting the isWhile flag for the predicate pair instructions in tablegen.
- Looking through copies in canRemovePTestInstr to test isWhileOpcode.
Diffstat (limited to 'llvm/unittests/Support/MathExtrasTest.cpp')
0 files changed, 0 insertions, 0 deletions