| ; 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 |
| target triple = "wasm32-unknown-unknown" |
| ; Test that BUILD_PAIR dag nodes are correctly lowered. |
| ; This code produces a selection DAG like the following: |
| ; t3: v4i32,ch = load<(load 16 from `<4 x i32>* undef`)> t0, undef:i32, undef:i32 |
| ; t30: i32 = extract_vector_elt t3, Constant:i32<2> |
| ; t28: i32 = extract_vector_elt t3, Constant:i32<3> |
| ; t24: i64 = build_pair t30, t28 |
| ; t8: ch = store<(store 8 into `i64* undef`, align 1)> t3:1, t24, undef:i32, undef:i32 |
| ; t9: ch = WebAssemblyISD::RETURN t8 |
| ; CHECK: v128.store64_lane |
| define void @build_pair_i32s() { |
| %0 = load <4 x i32>, <4 x i32>* undef, align 16 |
| %shuffle.i184 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef> |
| %bc357 = bitcast <4 x i32> %shuffle.i184 to <2 x i64> |
| %1 = extractelement <2 x i64> %bc357, i32 0 |
| store i64 %1, i64* undef, align 1 |
