blob: f976ac2630d5d86f494df655338b1b1b1985c2f0 [file] [log] [blame]
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-keep-registers -wasm-disable-explicit-locals -mattr=+simd128 | FileCheck %s
; Regression test for an ISel failure when a splatted load had more
; than one use. The main tests for load_splat are in simd-offset.ll.
target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"
; CHECK-LABEL: load_splat:
; CHECK-NEXT: .functype load_splat (i32, i32) -> (i32)
; CHECK-NEXT: i32.load8_u $[[E:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: v128.load8_splat $push[[V:[0-9]+]]=, 0($0){{$}}
; CHECK-NEXT: v128.store 0($1), $pop[[V]]{{$}}
; CHECK-NEXT: return $[[E]]{{$}}
define i8 @load_splat(i8* %p, <16 x i8>* %out) {
%e = load i8, i8* %p
%v1 = insertelement <16 x i8> undef, i8 %e, i32 0
%v2 = shufflevector <16 x i8> %v1, <16 x i8> undef, <16 x i32> zeroinitializer
store <16 x i8> %v2, <16 x i8>* %out
ret i8 %e
}