1; RUN: llc -mtriple=i386-apple-darwin %s -o %t 2; RUN: FileCheck %s < %t 3; RUN: FileCheck %s -check-prefix=GOT-EQUIV < %t 4 5; GOT equivalent globals references can be replaced by the GOT entry of the 6; final symbol instead. 7 8%struct.data = type { i32, %struct.anon } 9%struct.anon = type { i32, i32 } 10 11; Check that these got equivalent symbols are never emitted or used 12; GOT-EQUIV-NOT: _localgotequiv 13; GOT-EQUIV-NOT: _extgotequiv 14@localfoo = global i32 42 15@localgotequiv = private unnamed_addr constant i32* @localfoo 16 17@extfoo = external global i32 18@extgotequiv = private unnamed_addr constant i32* @extfoo 19 20; Don't replace GOT equivalent usage within instructions and emit the GOT 21; equivalent since it can't be replaced by the GOT entry. @bargotequiv is 22; used by an instruction inside @t0. 23; 24; CHECK: l_bargotequiv: 25; CHECK-NEXT: .long _extbar 26@extbar = external global i32 27@bargotequiv = private unnamed_addr constant i32* @extbar 28 29@table = global [4 x %struct.data] [ 30; CHECK-LABEL: _table 31 %struct.data { i32 1, %struct.anon { i32 2, i32 3 } }, 32; Test GOT equivalent usage inside nested constant arrays. 33; CHECK: .long 5 34; CHECK-NOT: l_localgotequiv-(_table+20) 35; CHECK-NEXT: L_localfoo$non_lazy_ptr-(_table+20) 36 %struct.data { i32 4, %struct.anon { i32 5, 37 i32 sub (i32 ptrtoint (i32** @localgotequiv to i32), 38 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 1, i32 1, i32 1) to i32))} 39 }, 40; CHECK: .long 5 41; CHECK-NOT: l_extgotequiv-(_table+32) 42; CHECK-NEXT: L_extfoo$non_lazy_ptr-(_table+32) 43 %struct.data { i32 4, %struct.anon { i32 5, 44 i32 sub (i32 ptrtoint (i32** @extgotequiv to i32), 45 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 2, i32 1, i32 1) to i32))} 46 }, 47; Test support for arbitrary constants into the GOTPCREL offset 48; CHECK: .long 5 49; CHECK-NOT: (l_extgotequiv-(_table+44))+24 50; CHECK-NEXT: L_extfoo$non_lazy_ptr-(_table+20) 51 %struct.data { i32 4, %struct.anon { i32 5, 52 i32 add (i32 sub (i32 ptrtoint (i32** @extgotequiv to i32), 53 i32 ptrtoint (i32* getelementptr inbounds ([4 x %struct.data], [4 x %struct.data]* @table, i32 0, i32 3, i32 1, i32 1) to i32)), 54 i32 24)} 55 } 56], align 16 57 58; Test multiple uses of GOT equivalents. 59; CHECK-LABEL: _delta 60; CHECK: .long L_extfoo$non_lazy_ptr-_delta 61@delta = global i32 sub (i32 ptrtoint (i32** @extgotequiv to i32), 62 i32 ptrtoint (i32* @delta to i32)) 63 64; CHECK-LABEL: _deltaplus: 65; CHECK: .long L_localfoo$non_lazy_ptr-(_deltaplus-55) 66@deltaplus = global i32 add (i32 sub (i32 ptrtoint (i32** @localgotequiv to i32), 67 i32 ptrtoint (i32* @deltaplus to i32)), 68 i32 55) 69 70define i32 @t0(i32 %a) { 71 %x = add i32 sub (i32 ptrtoint (i32** @bargotequiv to i32), 72 i32 ptrtoint (i32 (i32)* @t0 to i32)), %a 73 ret i32 %x 74} 75 76; Test indirect local symbols. 77; CHECK-LABEL: _localindirect 78; CHECK: .long 65603 79@localindirect = internal constant i32 65603 80@got.localindirect = private unnamed_addr constant i32* @localindirect 81 82; CHECK-LABEL: _localindirectuser: 83; CHECK: .long L_localindirect$non_lazy_ptr-_localindirectuser 84@localindirectuser = internal constant 85 i32 sub (i32 ptrtoint (i32** @got.localindirect to i32), 86 i32 ptrtoint (i32* @localindirectuser to i32)) 87 88; Test internal indirect local symbols where the user doesn't see the 89; definition of the other symbols yet. 90 91; We used to check if the symbol is defined and not external to guess if it has 92; local linkage, but that doesn't work if the symbol is defined after. The code 93; should check if the GlobalValue itself has local linkage. 94 95; CHECK-LABEL: _undeflocalindirectuser: 96; CHECK: .long L_undeflocalindirect$non_lazy_ptr-_undeflocalindirectuser 97@undeflocalindirectuser = internal constant 98 i32 sub (i32 ptrtoint (i32** @got.undeflocalindirect to i32), 99 i32 ptrtoint (i32* @undeflocalindirectuser to i32)), 100 section "__TEXT,__const" 101 102; CHECK-LABEL: _undeflocalindirect: 103; CHECK: .long 65603 104@undeflocalindirect = internal constant i32 65603 105@got.undeflocalindirect = private unnamed_addr constant i32* @undeflocalindirect 106 107; CHECK-LABEL: .section __IMPORT,__pointers 108 109; CHECK-LABEL: L_localfoo$non_lazy_ptr: 110; CHECK: .indirect_symbol _localfoo 111; CHECK-NOT: .long _localfoo 112; CHECK-NEXT: .long 0 113 114; CHECK-LABEL: L_localindirect$non_lazy_ptr: 115; CHECK: .indirect_symbol _localindirect 116; CHECK-NOT: .long 0 117; CHECK-NEXT: .long _localindirect 118 119; CHECK-LABEL: L_undeflocalindirect$non_lazy_ptr: 120; CHECK: .indirect_symbol _undeflocalindirect 121; CHECK-NOT: .long 0 122; CHECK-NEXT: .long _undeflocalindirect 123