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[CIR][CIRGen][Builtin][Neon] Lower neon vaddlvq_s32 #1450

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Mar 7, 2025
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[CIR][CIRGen][Builtin][Neon] Lower neon vaddlvq_s32 #1450

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3 changes: 2 additions & 1 deletion clang/lib/CIR/CodeGen/CIRGenBuiltinAArch64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2661,7 +2661,8 @@ static mlir::Value emitCommonNeonSISDBuiltinExpr(
case NEON::BI__builtin_neon_vaddlv_u32:
llvm_unreachable(" neon_vaddlv_u32 NYI ");
case NEON::BI__builtin_neon_vaddlvq_s32:
llvm_unreachable(" neon_vaddlvq_s32 NYI ");
return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.saddlv", resultTy,
loc);
case NEON::BI__builtin_neon_vaddlvq_u32:
return emitNeonCall(builder, {argTy}, ops, "aarch64.neon.uaddlv", resultTy,
loc);
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12 changes: 12 additions & 0 deletions clang/test/CIR/CodeGen/AArch64/neon-misc.c
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Expand Up @@ -2195,6 +2195,18 @@ uint64x2_t test_vpadalq_u32(uint64x2_t a, uint32x4_t b) {
// LLVM: ret <2 x i64> [[TMP2]]
}


int64_t test_vaddlvq_s32(int32x4_t a) {
return vaddlvq_s32(a);

// CIR-LABEL: vaddlvq_s32
// CIR: = cir.llvm.intrinsic "aarch64.neon.saddlv" {{%.*}} : (!cir.vector<!s32i x 4>) -> !s64i

// LLVM: {{.*}}@test_vaddlvq_s32(<4 x i32>{{.*}}[[A:%.*]])
// LLVM-NEXT: [[VADDLVQ_S32_I:%.*]] = call i64 @llvm.aarch64.neon.saddlv.i64.v4i32(<4 x i32> [[A]])
// LLVM-NEXT: ret i64 [[VADDLVQ_S32_I]]
}

uint64_t test_vaddlvq_u32(uint32x4_t a) {
return vaddlvq_u32(a);

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