1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc < %s -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=simd128 | FileCheck %s
4 target triple = "wasm32-unknown-unknown"
6 ; Test that BUILD_PAIR dag nodes are correctly lowered.
7 ; This code produces a selection DAG like the following:
10 ; t3: v4i32,ch = load<(load 16 from `ptr 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 `ptr undef`, align 1)> t3:1, t24, undef:i32, undef:i32
15 ; t9: ch = WebAssemblyISD::RETURN t8
17 define void @build_pair_i32s() {
18 ; CHECK-LABEL: build_pair_i32s:
19 ; CHECK: .functype build_pair_i32s () -> ()
20 ; CHECK-NEXT: # %bb.0: # %entry
21 ; CHECK-NEXT: v128.load $push0=
22 ; CHECK-NEXT: i8x16.shuffle $push1=
23 ; CHECK-NEXT: v128.store64_lane
26 %0 = load <4 x i32>, ptr undef, align 16
27 %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 0
30 store i64 %1, ptr undef, align 1