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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=simd128 | FileCheck %s3 4target triple = "wasm32-unknown-unknown"5 6; Test that BUILD_PAIR dag nodes are correctly lowered.7; This code produces a selection DAG like the following:8 9; t0: ch = EntryToken10; t3: v4i32,ch = load<(load 16 from `ptr undef`)> t0, undef:i32, undef:i3211; t30: i32 = extract_vector_elt t3, Constant:i32<2>12; t28: i32 = extract_vector_elt t3, Constant:i32<3>13; t24: i64 = build_pair t30, t2814; t8: ch = store<(store 8 into `ptr undef`, align 1)> t3:1, t24, undef:i32, undef:i3215; t9: ch = WebAssemblyISD::RETURN t816 17define void @build_pair_i32s() {18; CHECK-LABEL: build_pair_i32s:19; CHECK: .functype build_pair_i32s () -> ()20; CHECK-NEXT: # %bb.0: # %entry21; CHECK-NEXT: v128.load $push0=22; CHECK-NEXT: i8x16.shuffle $push1=23; CHECK-NEXT: v128.store64_lane24; CHECK-NEXT: return25entry:26 %0 = load <4 x i32>, ptr undef, align 1627 %shuffle.i184 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>28 %bc357 = bitcast <4 x i32> %shuffle.i184 to <2 x i64>29 %1 = extractelement <2 x i64> %bc357, i32 030 store i64 %1, ptr undef, align 131 ret void32}33