blob: 343df0a7af2ed322b9fef10a8c0f17f5c73fefdd [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mattr=simd128 | FileCheck %s
target triple = "wasm32-unknown-unknown"
; Test that BUILD_PAIR dag nodes are correctly lowered.
; This code produces a selection DAG like the following:
; t0: ch = EntryToken
; t3: v4i32,ch = load<(load 16 from `ptr 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 `ptr undef`, align 1)> t3:1, t24, undef:i32, undef:i32
; t9: ch = WebAssemblyISD::RETURN t8
define void @build_pair_i32s() {
; CHECK-LABEL: build_pair_i32s:
; CHECK: .functype build_pair_i32s () -> ()
; CHECK-NEXT: # %bb.0: # %entry
; CHECK-NEXT: v128.load $push0=
; CHECK-NEXT: i8x16.shuffle $push1=
; CHECK-NEXT: v128.store64_lane
; CHECK-NEXT: return
entry:
%0 = load <4 x i32>, ptr 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, ptr undef, align 1
ret void
}