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
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
  140
  141
  142
  143
  144
  145
  146
  147
  148
  149
  150
  151
  152
  153
  154
  155
  156
  157
  158
  159
  160
; RUN: opt -S -mtriple=amdgcn-amd-amdhsa -infer-address-spaces %s | FileCheck %s

; CHECK-LABEL: @icmp_flat_cmp_self(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, %group.ptr.0
define i1 @icmp_flat_cmp_self(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, %cast0
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_flat_flat_from_group(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, %group.ptr.1
define i1 @icmp_flat_flat_from_group(i32 addrspace(3)* %group.ptr.0, i32 addrspace(3)* %group.ptr.1) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cast1 = addrspacecast i32 addrspace(3)* %group.ptr.1 to i32*
  %cmp = icmp eq i32* %cast0, %cast1
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_mismatch_flat_from_group_private(
; CHECK: %cast0 = addrspacecast i32 addrspace(5)* %private.ptr.0 to i32*
; CHECK: %cast1 = addrspacecast i32 addrspace(3)* %group.ptr.1 to i32*
; CHECK: %cmp = icmp eq i32* %cast0, %cast1
define i1 @icmp_mismatch_flat_from_group_private(i32 addrspace(5)* %private.ptr.0, i32 addrspace(3)* %group.ptr.1) #0 {
  %cast0 = addrspacecast i32 addrspace(5)* %private.ptr.0 to i32*
  %cast1 = addrspacecast i32 addrspace(3)* %group.ptr.1 to i32*
  %cmp = icmp eq i32* %cast0, %cast1
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_flat_group_flat(
; CHECK: %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
; CHECK: %cmp = icmp eq i32* %cast0, %flat.ptr.1
define i1 @icmp_flat_group_flat(i32 addrspace(3)* %group.ptr.0, i32* %flat.ptr.1) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, %flat.ptr.1
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_flat_flat_group(
; CHECK: %cast1 = addrspacecast i32 addrspace(3)* %group.ptr.1 to i32*
; CHECK: %cmp = icmp eq i32* %flat.ptr.0, %cast1
define i1 @icmp_flat_flat_group(i32* %flat.ptr.0, i32 addrspace(3)* %group.ptr.1) #0 {
  %cast1 = addrspacecast i32 addrspace(3)* %group.ptr.1 to i32*
  %cmp = icmp eq i32* %flat.ptr.0, %cast1
  ret i1 %cmp
}

; Keeping as cmp addrspace(3)* is better
; CHECK-LABEL: @icmp_flat_to_group_cmp(
; CHECK: %cast0 = addrspacecast i32* %flat.ptr.0 to i32 addrspace(3)*
; CHECK: %cast1 = addrspacecast i32* %flat.ptr.1 to i32 addrspace(3)*
; CHECK: %cmp = icmp eq i32 addrspace(3)* %cast0, %cast1
define i1 @icmp_flat_to_group_cmp(i32* %flat.ptr.0, i32* %flat.ptr.1) #0 {
  %cast0 = addrspacecast i32* %flat.ptr.0 to i32 addrspace(3)*
  %cast1 = addrspacecast i32* %flat.ptr.1 to i32 addrspace(3)*
  %cmp = icmp eq i32 addrspace(3)* %cast0, %cast1
  ret i1 %cmp
}

; FIXME: Should be able to ask target about how to constant fold the
; constant cast if this is OK to change if 0 is a valid pointer.

; CHECK-LABEL: @icmp_group_flat_cmp_null(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, addrspacecast (i32* null to i32 addrspace(3)*)
define i1 @icmp_group_flat_cmp_null(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, null
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_group_flat_cmp_constant_inttoptr(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, addrspacecast (i32* inttoptr (i64 400 to i32*) to i32 addrspace(3)*)
define i1 @icmp_group_flat_cmp_constant_inttoptr(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, inttoptr (i64 400 to i32*)
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_mismatch_flat_group_private_cmp_null(
; CHECK: %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
; CHECK: %cmp = icmp eq i32* %cast0, addrspacecast (i32 addrspace(5)* null to i32*)
define i1 @icmp_mismatch_flat_group_private_cmp_null(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, addrspacecast (i32 addrspace(5)* null to i32*)
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_mismatch_flat_group_private_cmp_undef(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, undef
define i1 @icmp_mismatch_flat_group_private_cmp_undef(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, addrspacecast (i32 addrspace(5)* undef to i32*)
  ret i1 %cmp
}

@lds0 = internal addrspace(3) global i32 0, align 4
@global0 = internal addrspace(1) global i32 0, align 4

; CHECK-LABEL: @icmp_mismatch_flat_group_global_cmp_gv(
; CHECK: %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
; CHECK: %cmp = icmp eq i32* %cast0, addrspacecast (i32 addrspace(1)* @global0 to i32*)
define i1 @icmp_mismatch_flat_group_global_cmp_gv(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, addrspacecast (i32 addrspace(1)* @global0 to i32*)
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_mismatch_group_global_cmp_gv_gv(
; CHECK: %cmp = icmp eq i32* addrspacecast (i32 addrspace(3)* @lds0 to i32*), addrspacecast (i32 addrspace(1)* @global0 to i32*)
define i1 @icmp_mismatch_group_global_cmp_gv_gv(i32 addrspace(3)* %group.ptr.0) #0 {
  %cmp = icmp eq i32* addrspacecast (i32 addrspace(3)* @lds0 to i32*), addrspacecast (i32 addrspace(1)* @global0 to i32*)
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_group_flat_cmp_undef(
; CHECK: %cmp = icmp eq i32 addrspace(3)* %group.ptr.0, undef
define i1 @icmp_group_flat_cmp_undef(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* %cast0, undef
  ret i1 %cmp
}

; Test non-canonical orders
; CHECK-LABEL: @icmp_mismatch_flat_group_private_cmp_null_swap(
; CHECK: %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
; CHECK: %cmp = icmp eq i32* addrspacecast (i32 addrspace(5)* null to i32*), %cast0
define i1 @icmp_mismatch_flat_group_private_cmp_null_swap(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* addrspacecast (i32 addrspace(5)* null to i32*), %cast0
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_group_flat_cmp_undef_swap(
; CHECK: %cmp = icmp eq i32 addrspace(3)* undef, %group.ptr.0
define i1 @icmp_group_flat_cmp_undef_swap(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* undef, %cast0
  ret i1 %cmp
}

; CHECK-LABEL: @icmp_mismatch_flat_group_private_cmp_undef_swap(
; CHECK: %cmp = icmp eq i32 addrspace(3)* undef, %group.ptr.0
define i1 @icmp_mismatch_flat_group_private_cmp_undef_swap(i32 addrspace(3)* %group.ptr.0) #0 {
  %cast0 = addrspacecast i32 addrspace(3)* %group.ptr.0 to i32*
  %cmp = icmp eq i32* addrspacecast (i32 addrspace(5)* undef to i32*), %cast0
  ret i1 %cmp
}

; TODO: Should be handled
; CHECK-LABEL: @icmp_flat_flat_from_group_vector(
; CHECK: %cmp = icmp eq <2 x i32*> %cast0, %cast1
define <2 x i1> @icmp_flat_flat_from_group_vector(<2 x i32 addrspace(3)*> %group.ptr.0, <2 x i32 addrspace(3)*> %group.ptr.1) #0 {
  %cast0 = addrspacecast <2 x i32 addrspace(3)*> %group.ptr.0 to <2 x i32*>
  %cast1 = addrspacecast <2 x i32 addrspace(3)*> %group.ptr.1 to <2 x i32*>
  %cmp = icmp eq <2 x i32*> %cast0, %cast1
  ret <2 x i1> %cmp
}

attributes #0 = { nounwind }