[llvm] [RISCV] Combine ({s,u}{div,rem} (zext, zext)) -> (zext ({s,u}{div,rem} (zext, zext))) (PR #86779)

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github-actions[bot] wrote:

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``````````bash
git-clang-format --diff 6d13263d4a723689d025423562269ea6ccb6bfc2 5af5419faed85117f12375207b6575e56b62817d -- llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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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 192a9da970..ecd16f10dc 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -1422,13 +1422,26 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
     setTargetDAGCombine({ISD::ZERO_EXTEND, ISD::FP_TO_SINT, ISD::FP_TO_UINT,
                          ISD::FP_TO_SINT_SAT, ISD::FP_TO_UINT_SAT});
   if (Subtarget.hasVInstructions())
-    setTargetDAGCombine({ISD::FCOPYSIGN, ISD::MGATHER, ISD::MSCATTER,
-                         ISD::VP_GATHER, ISD::VP_SCATTER, ISD::SRA, ISD::SRL,
-                         ISD::SHL, ISD::STORE, ISD::SPLAT_VECTOR,
-                         ISD::BUILD_VECTOR, ISD::CONCAT_VECTORS,
-                         ISD::EXPERIMENTAL_VP_REVERSE, ISD::MUL,
-                         ISD::SDIV, ISD::UDIV, ISD::SREM, ISD::UREM,
-                         ISD::INSERT_VECTOR_ELT, ISD::ABS});
+    setTargetDAGCombine({ISD::FCOPYSIGN,
+                         ISD::MGATHER,
+                         ISD::MSCATTER,
+                         ISD::VP_GATHER,
+                         ISD::VP_SCATTER,
+                         ISD::SRA,
+                         ISD::SRL,
+                         ISD::SHL,
+                         ISD::STORE,
+                         ISD::SPLAT_VECTOR,
+                         ISD::BUILD_VECTOR,
+                         ISD::CONCAT_VECTORS,
+                         ISD::EXPERIMENTAL_VP_REVERSE,
+                         ISD::MUL,
+                         ISD::SDIV,
+                         ISD::UDIV,
+                         ISD::SREM,
+                         ISD::UREM,
+                         ISD::INSERT_VECTOR_ELT,
+                         ISD::ABS});
   if (Subtarget.hasVendorXTHeadMemPair())
     setTargetDAGCombine({ISD::LOAD, ISD::STORE});
   if (Subtarget.useRVVForFixedLengthVectors())

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https://github.com/llvm/llvm-project/pull/86779