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Revision tags: llvmorg-21-init, llvmorg-19.1.7, llvmorg-19.1.6 |
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| #
b3cba9be |
| 12-Dec-2024 |
Mel Chen <mel.chen@sifive.com> |
[LoopVectorize] Vectorize select-cmp reduction pattern for increasing integer induction variable (#67812)
Consider the following loop:
```
int rdx = init;
for (int i = 0; i < n; ++i)
rdx
[LoopVectorize] Vectorize select-cmp reduction pattern for increasing integer induction variable (#67812)
Consider the following loop:
```
int rdx = init;
for (int i = 0; i < n; ++i)
rdx = (a[i] > b[i]) ? i : rdx;
```
We can vectorize this loop if `i` is an increasing induction variable.
The final reduced value will be the maximum of `i` that the condition
`a[i] > b[i]` is satisfied, or the start value `init`.
This patch added new RecurKind enums - IFindLastIV and FFindLastIV.
---------
Co-authored-by: Alexey Bataev <5361294+alexey-bataev@users.noreply.github.com>
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Revision tags: llvmorg-19.1.5 |
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| #
90f5c8b7 |
| 26-Nov-2024 |
Mel Chen <mel.chen@sifive.com> |
[LV][NFC] Auto-generate the test cases related to FindLastIV idioms. (#117560)
Pre-commit for #67812
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Revision tags: llvmorg-19.1.4, llvmorg-19.1.3, llvmorg-19.1.2, llvmorg-19.1.1, llvmorg-19.1.0, llvmorg-19.1.0-rc4, llvmorg-19.1.0-rc3, llvmorg-19.1.0-rc2, llvmorg-19.1.0-rc1, llvmorg-20-init, llvmorg-18.1.8, llvmorg-18.1.7, llvmorg-18.1.6, llvmorg-18.1.5, llvmorg-18.1.4, llvmorg-18.1.3, llvmorg-18.1.2, llvmorg-18.1.1, llvmorg-18.1.0, llvmorg-18.1.0-rc4, llvmorg-18.1.0-rc3, llvmorg-18.1.0-rc2, llvmorg-18.1.0-rc1, llvmorg-19-init, llvmorg-17.0.6, llvmorg-17.0.5, llvmorg-17.0.4, llvmorg-17.0.3, llvmorg-17.0.2 |
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| #
ab9cd27f |
| 29-Sep-2023 |
Mel Chen <mel.chen@sifive.com> |
[LV][NFC] Move and add truncated-related FindLastIV reduction test cases. (#67674)
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