test/CodeGen/AMDGPU/nullptr.ll

;RUN: llc < %s -march=amdgcn -mtriple=amdgcn-- -verify-machineinstrs | FileCheck -check-prefixes=CHECK,GCN %s
;RUN: llc < %s -march=r600 -mtriple=r600-- -verify-machineinstrs | FileCheck -check-prefixes=CHECK,R600 %s

%struct.S = type { ptr addrspace(5), ptr addrspace(1), ptr addrspace(4), ptr addrspace(3), ptr, ptr addrspace(2)}

; CHECK-LABEL: nullptr_priv:
; CHECK-NEXT: .long -1
@nullptr_priv = global ptr addrspace(5) addrspacecast (ptr null to ptr addrspace(5))

; CHECK-LABEL: nullptr_glob:
; GCN-NEXT: .quad 0
; R600-NEXT: .long 0
@nullptr_glob = global ptr addrspace(1) addrspacecast (ptr null to ptr addrspace(1))

; CHECK-LABEL: nullptr_const:
; GCN-NEXT: .quad 0
; R600-NEXT: .long 0
@nullptr_const = global ptr addrspace(4) addrspacecast (ptr null to ptr addrspace(4))

; CHECK-LABEL: nullptr_local:
; CHECK-NEXT: .long -1
@nullptr_local = global ptr addrspace(3) addrspacecast (ptr null to ptr addrspace(3))

; CHECK-LABEL: nullptr_region:
; CHECK-NEXT: .long -1
@nullptr_region = global ptr addrspace(2) addrspacecast (ptr null to ptr addrspace(2))

; CHECK-LABEL: nullptr6:
; R600-NEXT: .long 0
@nullptr6 = global ptr addrspace(6) addrspacecast (ptr null to ptr addrspace(6))

; FIXME: AsmPrinter can't handle 128-bit constants
; FIXME-LABEL: nullptr7:
; FIXME-R600-NEXT: .long 0
; FIXME @nullptr7 = global ptr addrspace(7) addrspacecast (ptr null to ptr addrspace(7))

; FIXME-LABEL: nullptr8:
; FIXME-R600-NEXT: .long 0
; FIXME @nullptr8 = global ptr addrspace(8) addrspacecast (ptr null to ptr addrspace(8))

; CHECK-LABEL: nullptr9:
; R600-NEXT: .long 0
@nullptr9 = global ptr addrspace(9) addrspacecast (ptr null to ptr addrspace(9))

; CHECK-LABEL: nullptr10:
; R600-NEXT: .long 0
@nullptr10 = global ptr addrspace(10) addrspacecast (ptr null to ptr addrspace(10))

; CHECK-LABEL: nullptr11:
; R600-NEXT: .long 0
@nullptr11 = global ptr addrspace(11) addrspacecast (ptr null to ptr addrspace(11))

; CHECK-LABEL: nullptr12:
; R600-NEXT: .long 0
@nullptr12 = global ptr addrspace(12) addrspacecast (ptr null to ptr addrspace(12))

; CHECK-LABEL: nullptr13:
; R600-NEXT: .long 0
@nullptr13 = global ptr addrspace(13) addrspacecast (ptr null to ptr addrspace(13))

; CHECK-LABEL: nullptr14:
; R600-NEXT: .long 0
@nullptr14 = global ptr addrspace(14) addrspacecast (ptr null to ptr addrspace(14))

; CHECK-LABEL: nullptr15:
; R600-NEXT: .long 0
@nullptr15 = global ptr addrspace(15) addrspacecast (ptr null to ptr addrspace(15))

; CHECK-LABEL: nullptr16:
; R600-NEXT: .long 0
@nullptr16 = global ptr addrspace(16) addrspacecast (ptr null to ptr addrspace(16))

; CHECK-LABEL: nullptr17:
; R600-NEXT: .long 0
@nullptr17 = global ptr addrspace(17) addrspacecast (ptr null to ptr addrspace(17))

; CHECK-LABEL: nullptr18:
; R600-NEXT: .long 0
@nullptr18 = global ptr addrspace(18) addrspacecast (ptr null to ptr addrspace(18))

; CHECK-LABEL: nullptr19:
; R600-NEXT: .long 0
@nullptr19 = global ptr addrspace(19) addrspacecast (ptr null to ptr addrspace(19))

; CHECK-LABEL: nullptr20:
; R600-NEXT: .long 0
@nullptr20 = global ptr addrspace(20) addrspacecast (ptr null to ptr addrspace(20))

; CHECK-LABEL: nullptr21:
; R600-NEXT: .long 0
@nullptr21 = global ptr addrspace(21) addrspacecast (ptr null to ptr addrspace(21))

; CHECK-LABEL: nullptr22:
; R600-NEXT: .long 0
@nullptr22 = global ptr addrspace(22) addrspacecast (ptr null to ptr addrspace(22))

; CHECK-LABEL: nullptr23:
; R600-NEXT: .long 0
@nullptr23 = global ptr addrspace(23) addrspacecast (ptr null to ptr addrspace(23))

; CHECK-LABEL: structWithPointers:
; CHECK-NEXT: .long -1
; GCN-NEXT:   .zero 4
; GCN-NEXT:   .quad 0
; R600-NEXT:  .long 0
; GCN-NEXT:   .quad 0
; R600-NEXT:  .long 0
; CHECK-NEXT: .long -1
; GCN-NEXT:   .zero 4
; GCN-NEXT:   .quad 0
; R600-NEXT:  .long 0
; CHECK-NEXT: .long -1
; GCN-NEXT:   .zero 4
@structWithPointers = addrspace(1) global %struct.S {
  ptr addrspace(5) addrspacecast (ptr null to ptr addrspace(5)),
  ptr addrspace(1) addrspacecast (ptr null to ptr addrspace(1)),
  ptr addrspace(4) addrspacecast (ptr null to ptr addrspace(4)),
  ptr addrspace(3) addrspacecast (ptr null to ptr addrspace(3)),
  ptr null,
  ptr addrspace(2) addrspacecast (ptr null to ptr addrspace(2))}, align 4