[llvm] [AArch64][SVE] Optimize svand_z/svorr_z with all-true predicates. (PR #160408)

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Mon Oct 27 20:26:21 PDT 2025


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git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
index 672c689ab..24bad469d 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
+++ b/llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
@@ -1672,12 +1672,15 @@ simplifySVEIntrinsicBinOp(InstCombiner &IC, IntrinsicInst &II,
     auto *ConvIntr1 = dyn_cast<IntrinsicInst>(Op1);
     auto *ConvIntr2 = dyn_cast<IntrinsicInst>(Op2);
     if (ConvIntr1 && ConvIntr2 &&
-        ConvIntr1->getIntrinsicID() == Intrinsic::aarch64_sve_convert_to_svbool &&
-        ConvIntr2->getIntrinsicID() == Intrinsic::aarch64_sve_convert_to_svbool) {
+        ConvIntr1->getIntrinsicID() ==
+            Intrinsic::aarch64_sve_convert_to_svbool &&
+        ConvIntr2->getIntrinsicID() ==
+            Intrinsic::aarch64_sve_convert_to_svbool) {
       Value *NarrowOp1 = ConvIntr1->getArgOperand(0);
       Value *NarrowOp2 = ConvIntr2->getArgOperand(0);
       if (NarrowOp1->getType() == NarrowOp2->getType()) {
-        if (Value *SimplifiedNarrow = simplifyBinOp(Opc, NarrowOp1, NarrowOp2, DL)) {
+        if (Value *SimplifiedNarrow =
+                simplifyBinOp(Opc, NarrowOp1, NarrowOp2, DL)) {
           Value *NewConv = IC.Builder.CreateIntrinsic(
               Intrinsic::aarch64_sve_convert_to_svbool,
               {SimplifiedNarrow->getType()}, {SimplifiedNarrow});

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https://github.com/llvm/llvm-project/pull/160408


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