1; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=simd128 | FileCheck %s --check-prefixes CHECK 2 3target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 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 = EntryToken 10; t3: v4i32,ch = load<(load 16 from `<4 x i32>* undef`)> t0, undef:i32, undef:i32 11; 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, t28 14; t8: ch = store<(store 8 into `i64* undef`, align 1)> t3:1, t24, undef:i32, undef:i32 15; t9: ch = WebAssemblyISD::RETURN t8 16 17; CHECK: i64x2.extract_lane 18; CHECK-NEXT: i64.store 19define void @build_pair_i32s() { 20entry: 21 %0 = load <4 x i32>, <4 x i32>* undef, align 16 22 %shuffle.i184 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> 23 %bc357 = bitcast <4 x i32> %shuffle.i184 to <2 x i64> 24 %1 = extractelement <2 x i64> %bc357, i32 0 25 store i64 %1, i64* undef, align 1 26 ret void 27} 28