[llvm] [llvm][RISCV] Support Zvfbfa codegen for fneg, fabs and copysign (PR #166944)

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Fri Nov 7 06:40:17 PST 2025


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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 4bb83d1f6..155449018 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -88,10 +88,9 @@ static cl::opt<bool>
                       cl::init(true));
 
 // TODO: Support more ops
-static const unsigned ZvfbfaVPOps[] = {
-    ISD::VP_FNEG, ISD::VP_FABS, ISD::VP_FCOPYSIGN};
-static const unsigned ZvfbfaOps[] = {
-    ISD::FNEG, ISD::FABS, ISD::FCOPYSIGN};
+static const unsigned ZvfbfaVPOps[] = {ISD::VP_FNEG, ISD::VP_FABS,
+                                       ISD::VP_FCOPYSIGN};
+static const unsigned ZvfbfaOps[] = {ISD::FNEG, ISD::FABS, ISD::FCOPYSIGN};
 
 RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
                                          const RISCVSubtarget &STI)

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https://github.com/llvm/llvm-project/pull/166944


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