llvm/test/CodeGen/AMDGPU/nullptr.ll

;RUN: llc < %s -mtriple=amdgpu6.00-- | FileCheck -check-prefixes=CHECK,GCN %s
;RUN: llc < %s -mtriple=r600-- | 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))

; FIXME-LABEL: nullptr9:
; FIXME-R600-NEXT: .long 0
; FIXME @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))

; Address space 13 is the VGPR address space, whose null pointer is -1 like the
; other address spaces where zero is a valid address. R600 reaches the same
; value through the shared numbering, where 13 is CONSTANT_BUFFER_5.
; CHECK-LABEL: nullptr13:
; CHECK-NEXT: .long -1
@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