[llvm] [RISCV][P-ext] Improve the codegen for pzip (PR #208479)
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Thu Jul 9 08:26:10 PDT 2026
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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/RISCV/RISCVISelLowering.cpp --diff_from_common_commit
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index af2517a59..4044b53b7 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -6325,14 +6325,13 @@ static SDValue lowerVECTOR_SHUFFLEAsPZip(ShuffleVectorSDNode *SVN,
unsigned NumElts = VT.getVectorNumElements();
ArrayRef<int> Mask = SVN->getMask();
- if ((VT != MVT::v8i8 && VT != MVT::v4i16) ||
- V1.getSimpleValueType() != VT || V2.getSimpleValueType() != VT)
+ if ((VT != MVT::v8i8 && VT != MVT::v4i16) || V1.getSimpleValueType() != VT ||
+ V2.getSimpleValueType() != VT)
return SDValue();
SmallVector<unsigned, 2> StartIndexes;
if (!V2.isUndef() &&
- ShuffleVectorInst::isInterleaveMask(Mask, 2, NumElts * 2,
- StartIndexes)) {
+ ShuffleVectorInst::isInterleaveMask(Mask, 2, NumElts * 2, StartIndexes)) {
int EvenSrc = StartIndexes[0];
int OddSrc = StartIndexes[1];
if (EvenSrc == 0 && OddSrc == (int)NumElts)
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https://github.com/llvm/llvm-project/pull/208479
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