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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2024-09-08 12:24:21 +0100 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2024-09-08 12:24:28 +0100 |
| commit | ffeef7599af94694191458a0e2a131e122181a13 (patch) | |
| tree | 98e89bfdf53efa0c616098d6d6f81e55aa904e51 /llvm/lib/Bitcode/Reader/BitcodeReader.cpp | |
| parent | 058964d3dacdc1321dcf2fdf82bebd3a37fcbc9c (diff) | |
[X86] LowerSELECTWithCmpZero - without CMOV, fold "SELECT (AND(X,1) == 0), C1, C2 -> XOR(C1,AND(NEG(AND(X,1)),XOR(C1,C2))"
Use xor-bitselect pattern to avoid branching when selecting between 2 constants
Diffstat (limited to 'llvm/lib/Bitcode/Reader/BitcodeReader.cpp')
0 files changed, 0 insertions, 0 deletions