File: ldstN.ll

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llvm-toolchain-21 1%3A21.1.6-3
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; RUN: opt -S -passes='early-cse' -earlycse-debug-hash < %s | FileCheck %s
; RUN: opt -S -passes='early-cse<memssa>' < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "aarch64--linux-gnu"

declare { <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16> } @llvm.aarch64.neon.ld4.v4i16.p0(ptr)

; Although the store and the ld4 are using the same pointer, the
; data can not be reused because ld4 accesses multiple elements.
define { <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16> } @foo() {
entry:
  store <4 x i16> undef, ptr undef, align 8
  %0 = call { <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16> } @llvm.aarch64.neon.ld4.v4i16.p0(ptr undef)
  ret { <4 x i16>, <4 x i16>, <4 x i16>, <4 x i16> } %0
; CHECK-LABEL: @foo(
; CHECK: store
; CHECK-NEXT: call
; CHECK-NEXT: ret
}