view llvm/test/CodeGen/AMDGPU/legalize-fp-load-invariant.ll @ 266:00f31e85ec16 default tip

Added tag current for changeset 31d058e83c98
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 14 Oct 2023 10:13:55 +0900
parents 1f2b6ac9f198
children
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; RUN: llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs -stop-after=amdgpu-isel -o - %s | FileCheck -check-prefix=GCN %s

; Type legalization for illegal FP type results was dropping invariant
; and dereferenceable flags.

; GCN: BUFFER_LOAD_USHORT{{.*}} :: (dereferenceable invariant load (s16) from %ir.ptr, addrspace 4)
define half @legalize_f16_load_align2(ptr addrspace(4) dereferenceable(4) align(2) %ptr) {
  %load = load half, ptr addrspace(4) %ptr, !invariant.load !0
  %add = fadd half %load, 1.0
  ret half %add
}

; GCN: BUFFER_LOAD_USHORT{{.*}} :: (invariant load (s16) from %ir.ptr, addrspace 4)
define half @legalize_f16_load_align1(ptr addrspace(4) dereferenceable(4) align(1) %ptr) {
  %load = load half, ptr addrspace(4) %ptr, !invariant.load !0
  %add = fadd half %load, 1.0
  ret half %add
}

!0 = !{}