diff --git a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp index 7b4ded6322098..adee9899f7fd8 100644 --- a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp +++ b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp @@ -268,6 +268,8 @@ void AArch64Subtarget::initializeProperties(bool HasMinSize) { MaxBytesForLoopAlignment = 16; break; case NeoverseV2: + DefaultSVETFOpts = TailFoldingOpts::Simple; + LLVM_FALLTHROUGH; case NeoverseV3: EpilogueVectorizationMinVF = 8; MaxInterleaveFactor = 4; diff --git a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll index 7dd0f0c0ad8e0..d2b8dd9c2be48 100644 --- a/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll +++ b/llvm/test/Transforms/LoopVectorize/AArch64/sve-tail-folding-option.ll @@ -11,6 +11,8 @@ ; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -sve-tail-folding=default -mcpu=neoverse-v1 | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1 ; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 -sve-tail-folding=default | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1 ; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v1 | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1 +; Simple tail-folding is also enabled by default on neoverse-v2. Use same check prefix. +; RUN: opt < %s -passes=loop-vectorize -sve-tail-folding-insn-threshold=0 -S -mcpu=neoverse-v2 | FileCheck %s -check-prefix=CHECK-NEOVERSE-V1 target triple = "aarch64-unknown-linux-gnu"