1 ; RUN: llc < %s -mcpu=generic -mtriple=i686-pc-linux-gnu -relocation-model=pic -asm-verbose=false -post-RA-scheduler=false | FileCheck %s -check-prefix=LINUX 2 3 @ptr = external global i32* 4 @dst = external global i32 5 @src = external global i32 6 7 define void @test0() nounwind { 8 entry: 9 store i32* @dst, i32** @ptr 10 %tmp.s = load i32* @src 11 store i32 %tmp.s, i32* @dst 12 ret void 13 14 ; LINUX-LABEL: test0: 15 ; LINUX: calll .L0$pb 16 ; LINUX-NEXT: .L0$pb: 17 ; LINUX-NEXT: popl 18 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L0$pb), 19 ; LINUX: movl dst@GOT(%eax), 20 ; LINUX: movl ptr@GOT(%eax), 21 ; LINUX: movl src@GOT(%eax), 22 ; LINUX: ret 23 } 24 25 @ptr2 = global i32* null 26 @dst2 = global i32 0 27 @src2 = global i32 0 28 29 define void @test1() nounwind { 30 entry: 31 store i32* @dst2, i32** @ptr2 32 %tmp.s = load i32* @src2 33 store i32 %tmp.s, i32* @dst2 34 ret void 35 36 ; LINUX-LABEL: test1: 37 ; LINUX: calll .L1$pb 38 ; LINUX-NEXT: .L1$pb: 39 ; LINUX-NEXT: popl 40 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L1$pb), %eax 41 ; LINUX: movl dst2@GOT(%eax), 42 ; LINUX: movl ptr2@GOT(%eax), 43 ; LINUX: movl src2@GOT(%eax), 44 ; LINUX: ret 45 46 } 47 48 declare i8* @malloc(i32) 49 50 define void @test2() nounwind { 51 entry: 52 %ptr = call i8* @malloc(i32 40) 53 ret void 54 ; LINUX-LABEL: test2: 55 ; LINUX: pushl %ebx 56 ; LINUX-NEXT: subl $8, %esp 57 ; LINUX-NEXT: calll .L2$pb 58 ; LINUX-NEXT: .L2$pb: 59 ; LINUX-NEXT: popl %ebx 60 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L2$pb), %ebx 61 ; LINUX: movl $40, (%esp) 62 ; LINUX: calll malloc@PLT 63 ; LINUX: addl $8, %esp 64 ; LINUX: popl %ebx 65 ; LINUX: ret 66 } 67 68 @pfoo = external global void(...)* 69 70 define void @test3() nounwind { 71 entry: 72 %tmp = call void(...)*(...)* @afoo() 73 store void(...)* %tmp, void(...)** @pfoo 74 %tmp1 = load void(...)** @pfoo 75 call void(...)* %tmp1() 76 ret void 77 ; LINUX-LABEL: test3: 78 ; LINUX: calll .L3$pb 79 ; LINUX-NEXT: .L3$pb: 80 ; LINUX: popl 81 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L3$pb), %[[REG3:e..]] 82 ; LINUX: calll afoo@PLT 83 ; LINUX: movl pfoo@GOT(%[[REG3]]), 84 ; LINUX: calll * 85 } 86 87 declare void(...)* @afoo(...) 88 89 define void @test4() nounwind { 90 entry: 91 call void(...)* @foo() 92 ret void 93 ; LINUX-LABEL: test4: 94 ; LINUX: calll .L4$pb 95 ; LINUX: popl %ebx 96 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L4$pb), %ebx 97 ; LINUX: calll foo@PLT 98 } 99 100 declare void @foo(...) 101 102 103 @ptr6 = internal global i32* null 104 @dst6 = internal global i32 0 105 @src6 = internal global i32 0 106 107 define void @test5() nounwind { 108 entry: 109 store i32* @dst6, i32** @ptr6 110 %tmp.s = load i32* @src6 111 store i32 %tmp.s, i32* @dst6 112 ret void 113 114 ; LINUX-LABEL: test5: 115 ; LINUX: calll .L5$pb 116 ; LINUX-NEXT: .L5$pb: 117 ; LINUX-NEXT: popl %eax 118 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L5$pb), %eax 119 ; LINUX: leal dst6@GOTOFF(%eax), %ecx 120 ; LINUX: movl %ecx, ptr6@GOTOFF(%eax) 121 ; LINUX: movl src6@GOTOFF(%eax), %ecx 122 ; LINUX: movl %ecx, dst6@GOTOFF(%eax) 123 ; LINUX: ret 124 } 125 126 127 ;; Test constant pool references. 128 define double @test6(i32 %a.u) nounwind { 129 entry: 130 %tmp = icmp eq i32 %a.u,0 131 %retval = select i1 %tmp, double 4.561230e+02, double 1.234560e+02 132 ret double %retval 133 134 ; LINUX: .LCPI6_0: 135 136 ; LINUX-LABEL: test6: 137 ; LINUX: calll .L6$pb 138 ; LINUX: .L6$pb: 139 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L6$pb), 140 ; LINUX: fldl .LCPI6_0@GOTOFF( 141 } 142 143 144 ;; Test jump table references. 145 define void @test7(i32 %n.u) nounwind { 146 entry: 147 switch i32 %n.u, label %bb12 [i32 1, label %bb i32 2, label %bb6 i32 4, label %bb7 i32 5, label %bb8 i32 6, label %bb10 i32 7, label %bb1 i32 8, label %bb3 i32 9, label %bb4 i32 10, label %bb9 i32 11, label %bb2 i32 12, label %bb5 i32 13, label %bb11 ] 148 bb: 149 tail call void(...)* @foo1() 150 ret void 151 bb1: 152 tail call void(...)* @foo2() 153 ret void 154 bb2: 155 tail call void(...)* @foo6() 156 ret void 157 bb3: 158 tail call void(...)* @foo3() 159 ret void 160 bb4: 161 tail call void(...)* @foo4() 162 ret void 163 bb5: 164 tail call void(...)* @foo5() 165 ret void 166 bb6: 167 tail call void(...)* @foo1() 168 ret void 169 bb7: 170 tail call void(...)* @foo2() 171 ret void 172 bb8: 173 tail call void(...)* @foo6() 174 ret void 175 bb9: 176 tail call void(...)* @foo3() 177 ret void 178 bb10: 179 tail call void(...)* @foo4() 180 ret void 181 bb11: 182 tail call void(...)* @foo5() 183 ret void 184 bb12: 185 tail call void(...)* @foo6() 186 ret void 187 188 ; LINUX-LABEL: test7: 189 ; LINUX: calll .L7$pb 190 ; LINUX: .L7$pb: 191 ; LINUX: addl $_GLOBAL_OFFSET_TABLE_+(.L{{.*}}-.L7$pb), 192 ; LINUX: .LJTI7_0@GOTOFF( 193 ; LINUX: jmpl * 194 195 ; LINUX: .LJTI7_0: 196 ; LINUX: .long .LBB7_2@GOTOFF 197 ; LINUX: .long .LBB7_8@GOTOFF 198 ; LINUX: .long .LBB7_14@GOTOFF 199 ; LINUX: .long .LBB7_9@GOTOFF 200 ; LINUX: .long .LBB7_10@GOTOFF 201 } 202 203 declare void @foo1(...) 204 declare void @foo2(...) 205 declare void @foo6(...) 206 declare void @foo3(...) 207 declare void @foo4(...) 208 declare void @foo5(...) 209
