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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2024-09-05 14:54:05 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-05 14:54:05 +0100 |
| commit | 0ba78182b975d8ccd8ca42b33fbf038a85a44747 (patch) | |
| tree | 0ca52ff8af6b908b94e307c5938f76c710dfb654 /llvm/unittests/IR/ConstantRangeTest.cpp | |
| parent | 80cd2141eb7f6e7be738a01348bc2ccd08b41cd6 (diff) | |
| download | llvm-0ba78182b975d8ccd8ca42b33fbf038a85a44747.zip llvm-0ba78182b975d8ccd8ca42b33fbf038a85a44747.tar.gz llvm-0ba78182b975d8ccd8ca42b33fbf038a85a44747.tar.bz2 | |
[X86] LowerSelect - generalize "select icmp(x,0), lhs, rhs" folding patterns [NFC] (#107374)
This patch proposes we add a LowerSELECTWithCmpZero helper, which allows us to fold the compare-with-zero from different condition nodes with minimal duplication.
So far I've only handled the simple no-cmov case for or/xor nodes, but the intention is to convert more folds in future PRs.
NFC preliminary patch for #107272
Diffstat (limited to 'llvm/unittests/IR/ConstantRangeTest.cpp')
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