[llvm] [X86] matchBinaryPermuteShuffle - match AVX512 "cross lane" SHLDQ/SRLDQ style patterns using VALIGN (PR #140538)
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Mon May 19 05:57:09 PDT 2025
github-actions[bot] wrote:
<!--LLVM CODE FORMAT COMMENT: {clang-format}-->
:warning: C/C++ code formatter, clang-format found issues in your code. :warning:
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You can test this locally with the following command:
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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Target/X86/X86ISelLowering.cpp
``````````
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 6f58910e5..b5356449d 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -39628,7 +39628,8 @@ static bool matchBinaryPermuteShuffle(
}
if (ZeroHi) {
SmallVector<int, 16> ShiftMask(NumMaskElts, SM_SentinelZero);
- std::iota(ShiftMask.begin(), ShiftMask.begin() + NumMaskElts - ZeroHi, ZeroHi);
+ std::iota(ShiftMask.begin(), ShiftMask.begin() + NumMaskElts - ZeroHi,
+ ZeroHi);
if (isTargetShuffleEquivalent(MaskVT, Mask, ShiftMask, DAG, V1)) {
V2 = V1;
V1 = getZeroVector(AlignVT, Subtarget, DAG, DL);
``````````
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https://github.com/llvm/llvm-project/pull/140538
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