1 ; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=x86_64-linux-gnu -relocation-model=pic -pie-copy-relocations \ 2 ; RUN: | FileCheck -check-prefix=X64 %s 3 ; RUN: llc < %s -emulated-tls -mcpu=generic -mtriple=i386-linux-gnu -relocation-model=pic -pie-copy-relocations \ 4 ; RUN: | FileCheck -check-prefix=X32 %s 5 6 ; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux-gnu -relocation-model=pic -pie-copy-relocations \ 7 ; RUN: | FileCheck -check-prefix=X64 %s 8 ; RUN: llc < %s -mcpu=generic -mtriple=i386-linux-gnu -relocation-model=pic -pie-copy-relocations \ 9 ; RUN: | FileCheck -check-prefix=X32 %s 10 11 ; External Linkage 12 @a = global i32 0, align 4 13 14 define i32 @my_access_global_a() #0 { 15 ; X32-LABEL: my_access_global_a: 16 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 17 ; X32-NEXT: movl a@GOTOFF(%eax), %eax 18 ; X64-LABEL: my_access_global_a: 19 ; X64: movl a(%rip), %eax 20 21 entry: 22 %0 = load i32, i32* @a, align 4 23 ret i32 %0 24 } 25 26 ; WeakAny Linkage 27 @b = weak global i32 0, align 4 28 29 define i32 @my_access_global_b() #0 { 30 ; X32-LABEL: my_access_global_b: 31 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 32 ; X32-NEXT: movl b@GOTOFF(%eax), %eax 33 ; X64-LABEL: my_access_global_b: 34 ; X64: movl b(%rip), %eax 35 36 entry: 37 %0 = load i32, i32* @b, align 4 38 ret i32 %0 39 } 40 41 ; Internal Linkage 42 @c = internal global i32 0, align 4 43 44 define i32 @my_access_global_c() #0 { 45 ; X32-LABEL: my_access_global_c: 46 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 47 ; X32-NEXT: movl c@GOTOFF(%eax), %eax 48 ; X64-LABEL: my_access_global_c: 49 ; X64: movl c(%rip), %eax 50 51 entry: 52 %0 = load i32, i32* @c, align 4 53 ret i32 %0 54 } 55 56 ; External Linkage, only declaration. 57 @d = external global i32, align 4 58 59 define i32 @my_access_global_load_d() #0 { 60 ; X32-LABEL: my_access_global_load_d: 61 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 62 ; X32-NEXT: movl d@GOTOFF(%eax), %eax 63 ; X64-LABEL: my_access_global_load_d: 64 ; X64: movl d(%rip), %eax 65 66 entry: 67 %0 = load i32, i32* @d, align 4 68 ret i32 %0 69 } 70 71 ; ExternalWeak Linkage 72 @e = extern_weak global i32, align 4 73 74 define i32* @my_access_global_d() #0 { 75 ; X32-LABEL: my_access_global_d: 76 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 77 ; X32: movl e@GOT(%eax), %eax 78 ; X64-LABEL: my_access_global_d: 79 ; X64: movq e@GOTPCREL(%rip), %rax 80 81 entry: 82 ret i32* @e 83 } 84 85 ; ExternalWeak hidden Linkage 86 @he = extern_weak hidden global i32, align 4 87 88 define i32* @my_access_global_he() #0 { 89 ; X32-LABEL: my_access_global_he: 90 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 91 ; X32: movl he@GOT(%eax), %eax 92 ; X64-LABEL: my_access_global_he: 93 ; X64: movq he@GOTPCREL(%rip), %rax 94 ret i32* @he 95 } 96 97 98 ; External Linkage, only declaration, store a value. 99 100 define i32 @my_access_global_store_d() #0 { 101 ; X32-LABEL: my_access_global_store_d: 102 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %eax 103 ; X32-NEXT: movl $2, d@GOTOFF(%eax) 104 ; X64-LABEL: my_access_global_store_d: 105 ; X64: movl $2, d(%rip) 106 107 entry: 108 store i32 2, i32* @d, align 4 109 ret i32 0 110 } 111 112 ; External Linkage, function pointer access. 113 declare i32 @access_fp(i32 ()*) 114 declare i32 @foo() 115 116 define i32 @my_access_fp_foo() #0 { 117 ; X32-LABEL: my_access_fp_foo: 118 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %ebx 119 ; X32-NEXT: movl foo@GOT(%ebx), %eax 120 ; X64-LABEL: my_access_fp_foo: 121 ; X64: movq foo@GOTPCREL(%rip), %rdi 122 123 entry: 124 %call = call i32 @access_fp(i32 ()* @foo) 125 ret i32 %call 126 } 127 128 ; LinkOnceODR Linkage, function pointer access. 129 130 $bar = comdat any 131 132 define linkonce_odr i32 @bar() comdat { 133 entry: 134 ret i32 0 135 } 136 137 define i32 @my_access_fp_bar() #0 { 138 ; X32-LABEL: my_access_fp_bar: 139 ; X32: addl $_GLOBAL_OFFSET_TABLE_{{.*}}, %ebx 140 ; X32-NEXT: leal bar@GOTOFF(%ebx), %eax 141 ; X64-LABEL: my_access_fp_bar: 142 ; X64: leaq bar(%rip), %rdi 143 144 entry: 145 %call = call i32 @access_fp(i32 ()* @bar) 146 ret i32 %call 147 } 148 149 !llvm.module.flags = !{!0, !1} 150 !0 = !{i32 1, !"PIC Level", i32 1} 151 !1 = !{i32 1, !"PIE Level", i32 1} 152
