| ; 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 triple = "wasm32-unknown-unknown" |
| |
| ; CHECK-LABEL: load_splat: |
| ; CHECK-NEXT: .functype load_splat (i32, i32) -> (i32) |
| ; CHECK-NEXT: i32.load8_u $push[[E:[0-9]+]]=, 0($0){{$}} |
| ; CHECK-NEXT: local.tee $push[[T:[0-9]+]]=, $[[R:[0-9]+]]=, $pop[[E]]{{$}} |
| ; CHECK-NEXT: i8x16.splat $push[[V:[0-9]+]]=, $pop[[T]]{{$}} |
| ; CHECK-NEXT: v128.store 0($1), $pop[[V]]{{$}} |
| ; CHECK-NEXT: return $[[R]]{{$}} |
| define i8 @load_splat(ptr %p, ptr %out) { |
| %e = load i8, ptr %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, ptr %out |
| ret i8 %e |
| } |
