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      1 ; RUN: llc -mtriple=arm64-apple-darwin %s -o - | FileCheck %s
      2 
      3 ; GOT equivalent globals references can be replaced by the GOT entry of the
      4 ; final symbol instead.
      5 
      6 %struct.data = type { i32, %struct.anon }
      7 %struct.anon = type { i32, i32 }
      8 
      9 @localfoo = global i32 42
     10 @localgotequiv = private unnamed_addr constant i32* @localfoo
     11 
     12 @extfoo = external global i32
     13 @extgotequiv = private unnamed_addr constant i32* @extfoo
     14 
     15 ; Don't replace GOT equivalent usage within instructions and emit the GOT
     16 ; equivalent since it can't be replaced by the GOT entry. @bargotequiv is
     17 ; used by an instruction inside @t0.
     18 ;
     19 ; CHECK: l_bargotequiv:
     20 ; CHECK-NEXT:  .quad   _extbar
     21 @extbar = external global i32
     22 @bargotequiv = private unnamed_addr constant i32* @extbar
     23 
     24 @table = global [4 x %struct.data] [
     25 ; CHECK-LABEL: _table
     26   %struct.data { i32 1, %struct.anon { i32 2, i32 3 } },
     27 ; Test GOT equivalent usage inside nested constant arrays.
     28 
     29 ; CHECK: .long   5
     30 ; CHECK-NOT: .long   _localgotequiv-(_table+20)
     31 ; CHECK-NEXT: Ltmp1:
     32 ; CHECK-NEXT: .long _localfoo@GOT-Ltmp1
     33   %struct.data { i32 4, %struct.anon { i32 5,
     34     i32 trunc (i64 sub (i64 ptrtoint (i32** @localgotequiv to i64),
     35                         i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i64 1, i32 1, i32 1) to i64))
     36                         to i32)}
     37   },
     38 
     39 ; CHECK: .long   5
     40 ; CHECK-NOT: _extgotequiv-(_table+32)
     41 ; CHECK-NEXT: Ltmp2:
     42 ; CHECK-NEXT: _extfoo@GOT-Ltmp2
     43   %struct.data { i32 4, %struct.anon { i32 5,
     44     i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
     45                         i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i64 2, i32 1, i32 1) to i64))
     46                         to i32)}
     47   },
     48 ; Test support for arbitrary constants into the GOTPCREL offset, which is
     49 ; supported on x86-64 but not on ARM64
     50 
     51 ; CHECK: .long   5
     52 ; CHECK-NEXT: .long (l_extgotequiv-(_table+44))+24
     53   %struct.data { i32 4, %struct.anon { i32 5,
     54     i32 add (i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
     55                                  i64 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i64 3, i32 1, i32 1) to i64))
     56                                  to i32), i32 24)}
     57   }
     58 ], align 16
     59 
     60 ; Test multiple uses of GOT equivalents.
     61 
     62 ; CHECK-LABEL: _delta
     63 ; CHECK: Ltmp3:
     64 ; CHECK-NEXT:  .long _extfoo@GOT-Ltmp3
     65 @delta = global i32 trunc (i64 sub (i64 ptrtoint (i32** @extgotequiv to i64),
     66                                     i64 ptrtoint (i32* @delta to i64))
     67                            to i32)
     68 
     69 ; CHECK-LABEL: _deltaplus:
     70 ; CHECK: .long  (l_localgotequiv-_deltaplus)+55
     71 @deltaplus = global i32 add (i32 trunc (i64 sub (i64 ptrtoint (i32** @localgotequiv to i64),
     72                                         i64 ptrtoint (i32* @deltaplus to i64))
     73                                         to i32), i32 55)
     74 
     75 define i32 @t0(i32 %a) {
     76   %x = add i32 trunc (i64 sub (i64 ptrtoint (i32** @bargotequiv to i64),
     77                                i64 ptrtoint (i32 (i32)* @t0 to i64))
     78                            to i32), %a
     79   ret i32 %x
     80 }
     81 
     82 ; Check that these got equivalent symbols are emitted on ARM64. Since ARM64
     83 ; does not support encoding an extra offset with @GOT, we still need to emit the
     84 ; equivalents for use by such IR constructs. Check them at the end of the test
     85 ; since they will start out as GOT equivalent candidates, but they are actually
     86 ; needed and are therefore emitted at the end.
     87 
     88 ; CHECK-LABEL: l_localgotequiv:
     89 ; CHECK-NEXT: .quad   _localfoo
     90 
     91 ; CHECK-LABEL: l_extgotequiv:
     92 ; CHECK-NEXT: .quad   _extfoo
     93