reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -stress-regalloc=1 < %s | FileCheck -check-prefix=GCN %s

; GCN-LABEL: {{^}}spill_csr_s5_copy:
; GCN: s_or_saveexec_b64
; GCN-NEXT: buffer_store_dword v32, off, s[0:3], s32 offset:4 ; 4-byte Folded Spill
; GCN-NEXT: s_mov_b64 exec
; GCN: v_writelane_b32 v32, s34, 2
; GCN: s_swappc_b64

; GCN: v_mov_b32_e32 [[K:v[0-9]+]], 9
; GCN: buffer_store_dword [[K]], off, s[0:3], s34{{$}}

; GCN: v_readlane_b32 s34, v32, 2
; GCN: s_or_saveexec_b64
; GCN-NEXT: buffer_load_dword v32, off, s[0:3], s32 offset:4 ; 4-byte Folded Reload
; GCN: s_mov_b64 exec
; GCN: s_setpc_b64
define void @spill_csr_s5_copy() #0 {
bb:
  %alloca = alloca i32, addrspace(5)
  %tmp = tail call i64 @func() #1
  %tmp1 = getelementptr inbounds i32, i32 addrspace(1)* null, i64 %tmp
  %tmp2 = load i32, i32 addrspace(1)* %tmp1, align 4
  %tmp3 = zext i32 %tmp2 to i64
  store volatile i32 9, i32 addrspace(5)* %alloca
  ret void
}

declare i64 @func()

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }