1 # RUN: llc -run-pass implicit-null-checks -mtriple=x86_64-apple-macosx -o - %s | FileCheck %s 2 3 # CHECK-NOT: FAULTING_OP 4 5 --- | 6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7 target triple = "x86_64-unknown-linux-gnu" 8 9 @global = external global i8* 10 @global.1 = external global i8* 11 12 declare i8* @ham(i8*, i8**) 13 14 define void @eggs(i8* %arg) gc "statepoint-example" { 15 bb: 16 %tmp = call i8* undef(i8* undef, i8** undef) 17 %tmp1 = icmp eq i8* %tmp, null 18 br i1 %tmp1, label %bb2, label %bb3, !make.implicit !0 19 20 bb2: ; preds = %bb 21 br i1 undef, label %bb51, label %bb59 22 23 bb3: ; preds = %bb 24 %tmp4 = getelementptr inbounds i8, i8* %tmp, i64 16 25 %tmp5 = bitcast i8* %tmp4 to i64* 26 br label %bb7 27 28 bb7: ; preds = %bb37, %bb3 29 %tmp8 = phi i64* [ %tmp5, %bb3 ], [ %tmp18, %bb37 ] 30 %tmp10 = phi i32 [ undef, %bb3 ], [ %tmp48, %bb37 ] 31 %tmp12 = phi i32 [ 0, %bb3 ], [ 6, %bb37 ] 32 %tmp13 = phi double [ 0.000000e+00, %bb3 ], [ 2.000000e+00, %bb37 ] 33 %tmp14 = zext i32 %tmp10 to i64 34 br i1 undef, label %bb26, label %bb15 35 36 bb15: ; preds = %bb7 37 %tmp16 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* nonnull @wibble, i32 0, i32 0, i32 0, i32 30, i32 1, i32 0, i32 99, i32 0, i32 12, i32 0, i32 10, i32 %tmp10, i32 10, i32 0, i32 10, i32 %tmp12, i32 10, i32 undef, i32 6, float undef, i32 7, double %tmp13, i32 99, i8* null, i32 7, double undef, i32 99, i8* null, i32 13, i8* %tmp, i32 7, double undef, i32 99, i8* null, i8* undef) 38 br label %bb26 39 40 bb26: ; preds = %bb15, %bb7 41 %tmp18 = phi i64* [ %tmp8, %bb7 ], [ undef, %bb15 ] 42 %tmp20 = sub i32 0, 0 43 %tmp21 = select i1 undef, i32 0, i32 %tmp20 44 %tmp22 = sext i32 %tmp21 to i64 45 %tmp23 = load i8*, i8** @global.1, align 8 46 %tmp24 = icmp eq i8* %tmp23, null 47 %tmp25 = select i1 %tmp24, i8* null, i8* undef 48 %tmp27 = load i32, i32* undef, align 4 49 %sunkaddr = mul i64 %tmp14, 8 50 %tmp2 = bitcast i64* %tmp18 to i8* 51 %sunkaddr1 = getelementptr i8, i8* %tmp2, i64 %sunkaddr 52 %tmp3 = bitcast i8* %sunkaddr1 to i64* 53 %tmp28 = load i64, i64* %tmp3, align 8 54 %tmp29 = add i64 %tmp28, 1 55 store i64 %tmp29, i64* %tmp3, align 8 56 %tmp30 = trunc i64 %tmp28 to i32 57 %tmp31 = sub i32 %tmp27, %tmp30 58 store i32 %tmp31, i32* undef, align 4 59 %tmp32 = getelementptr inbounds i8, i8* %tmp25, i64 768 60 %tmp33 = bitcast i8* %tmp32 to i64* 61 %tmp34 = load i64, i64* %tmp33, align 8 62 br i1 undef, label %bb37, label %bb35 63 64 bb35: ; preds = %bb26 65 %tmp36 = call i8* @ham(i8* undef, i8** nonnull @global) 66 br label %bb37 67 68 bb37: ; preds = %bb35, %bb26 69 %tmp38 = phi i8* [ %tmp36, %bb35 ], [ undef, %bb26 ] 70 %tmp39 = getelementptr inbounds i8, i8* %tmp38, i64 760 71 %tmp40 = bitcast i8* %tmp39 to i64* 72 %tmp41 = load i64, i64* %tmp40, align 8 73 %tmp42 = icmp slt i64 %tmp34, %tmp41 74 %tmp43 = select i1 %tmp42, i64 %tmp41, i64 %tmp34 75 %tmp44 = and i64 %tmp43, 63 76 %tmp45 = ashr i64 %tmp29, %tmp44 77 %sunkaddr2 = mul i64 %tmp14, 8 78 %tmp6 = bitcast i64* %tmp18 to i8* 79 %sunkaddr3 = getelementptr i8, i8* %tmp6, i64 %sunkaddr2 80 %tmp7 = bitcast i8* %sunkaddr3 to i64* 81 store i64 %tmp45, i64* %tmp7, align 8 82 %tmp46 = sub i64 0, %tmp22 83 store i64 %tmp46, i64* undef, align 8 84 %tmp47 = add nsw i32 %tmp12, 1 85 %tmp48 = add i32 %tmp10, 1 86 %tmp49 = icmp sgt i32 %tmp48, 15140 87 br i1 %tmp49, label %bb51.loopexit, label %bb7 88 89 bb51.loopexit: ; preds = %bb37 90 %tmp9 = add i32 %tmp10, 1 91 br label %bb51 92 93 bb51: ; preds = %bb51.loopexit, %bb2 94 %tmp52 = phi i32 [ %tmp47, %bb51.loopexit ], [ 0, %bb2 ] 95 %tmp53 = phi double [ 2.000000e+00, %bb51.loopexit ], [ 0.000000e+00, %bb2 ] 96 %tmp54 = phi i32 [ %tmp9, %bb51.loopexit ], [ undef, %bb2 ] 97 %tmp56 = add i32 %tmp54, 0 98 %tmp57 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull @wobble, i32 1, i32 0, i32 -121, i32 0, i32 38, i32 1, i32 0, i32 270, i32 4, i32 12, i32 0, i32 11, i64 undef, i32 99, i8* null, i32 10, i32 %tmp56, i32 6, float undef, i32 99, i8* null, i32 99, i8* null, i32 10, i32 %tmp52, i32 10, i32 undef, i32 99, i8* null, i32 7, double %tmp53, i32 99, i8* null, i32 7, double undef, i32 99, i8* null, i32 13, i8* undef, i32 99, i8* null, i32 99, i8* null, i8* undef) 99 unreachable 100 101 bb59: ; preds = %bb2 102 %tmp61 = call token (i64, i32, void (i32)*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64 2882400000, i32 0, void (i32)* nonnull @wobble, i32 1, i32 0, i32 8, i32 0, i32 38, i32 1, i32 0, i32 123, i32 4, i32 12, i32 0, i32 13, i8* null, i32 99, i32 undef, i32 13, i8* null, i32 10, i32 undef, i32 99, i32 undef, i32 99, i32 undef, i32 99, i32 undef, i32 99, i8* null, i32 99, float undef, i32 99, double undef, i32 99, i8* null, i32 99, double undef, i32 99, i8* null, i32 13, i8* null, i32 99, double undef, i32 99, i8* null) 103 unreachable 104 } 105 106 declare void @wibble() 107 108 declare void @wobble(i32) 109 110 declare token @llvm.experimental.gc.statepoint.p0f_isVoidi32f(i64, i32, void (i32)*, i32, i32, ...) 111 112 declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...) 113 114 ; Function Attrs: nounwind 115 declare void @llvm.stackprotector(i8*, i8**) #0 116 117 attributes #0 = { nounwind } 118 119 !0 = !{} 120 ... 121 --- 122 name: eggs 123 alignment: 4 124 tracksRegLiveness: true 125 fixedStack: 126 - { id: 0, type: spill-slot, offset: -56, size: 8, alignment: 8, callee-saved-register: '$rbx' } 127 - { id: 1, type: spill-slot, offset: -48, size: 8, alignment: 16, callee-saved-register: '$r12' } 128 - { id: 2, type: spill-slot, offset: -40, size: 8, alignment: 8, callee-saved-register: '$r13' } 129 - { id: 3, type: spill-slot, offset: -32, size: 8, alignment: 16, callee-saved-register: '$r14' } 130 - { id: 4, type: spill-slot, offset: -24, size: 8, alignment: 8, callee-saved-register: '$r15' } 131 - { id: 5, type: spill-slot, offset: -16, size: 8, alignment: 16, callee-saved-register: '$rbp' } 132 stack: 133 - { id: 0, offset: -88, size: 8, alignment: 8 } 134 - { id: 1, offset: -96, size: 8, alignment: 8 } 135 - { id: 2, offset: -104, size: 8, alignment: 8 } 136 - { id: 3, offset: -64, size: 8, alignment: 8 } 137 - { id: 4, type: spill-slot, offset: -72, size: 8, alignment: 8 } 138 - { id: 5, type: spill-slot, offset: -80, size: 8, alignment: 8 } 139 constants: 140 - id: 0 141 value: 'double 2.000000e+00' 142 alignment: 8 143 body: | 144 bb.0.bb: 145 successors: %bb.1.bb2(0x00000800), %bb.3.bb3(0x7ffff800) 146 liveins: $rbp, $r15, $r14, $r13, $r12, $rbx 147 148 frame-setup PUSH64r killed $rbp, implicit-def $rsp, implicit $rsp 149 frame-setup PUSH64r killed $r15, implicit-def $rsp, implicit $rsp 150 frame-setup PUSH64r killed $r14, implicit-def $rsp, implicit $rsp 151 frame-setup PUSH64r killed $r13, implicit-def $rsp, implicit $rsp 152 frame-setup PUSH64r killed $r12, implicit-def $rsp, implicit $rsp 153 frame-setup PUSH64r killed $rbx, implicit-def $rsp, implicit $rsp 154 $rsp = frame-setup SUB64ri8 $rsp, 56, implicit-def dead $eflags 155 CALL64r undef $rax, csr_64, implicit $rsp, implicit undef $rdi, implicit undef $rsi, implicit-def $rsp, implicit-def $rax 156 TEST64rr $rax, $rax, implicit-def $eflags 157 JNE_1 %bb.3.bb3, implicit killed $eflags 158 159 bb.1.bb2: 160 successors: %bb.2(0x40000000), %bb.13.bb59(0x40000000) 161 162 $ebp = XOR32rr undef $ebp, undef $ebp, implicit-def dead $eflags 163 TEST8rr $bpl, $bpl, implicit-def $eflags 164 JE_1 %bb.13.bb59, implicit killed $eflags 165 166 bb.2: 167 successors: %bb.12.bb51(0x80000000) 168 liveins: $ebp 169 170 $xmm0 = XORPSrr undef $xmm0, undef $xmm0 171 $ebx = IMPLICIT_DEF implicit-def $rbx 172 JMP_1 %bb.12.bb51 173 174 bb.3.bb3: 175 successors: %bb.4.bb7(0x80000000) 176 liveins: $rax 177 178 MOV64mr $rsp, 1, $noreg, 32, $noreg, $rax :: (store 8 into %stack.5) 179 $r12 = MOV64rr killed $rax 180 $r12 = ADD64ri8 killed $r12, 16, implicit-def dead $eflags 181 $xmm0 = XORPSrr undef $xmm0, undef $xmm0 182 $esi = XOR32rr undef $esi, undef $esi, implicit-def dead $eflags 183 $rax = MOV64ri %const.0 184 $xmm1 = MOVSDrm killed $rax, 1, $noreg, 0, $noreg :: (load 8 from constant-pool) 185 MOVSDmr $rsp, 1, $noreg, 40, $noreg, killed $xmm1 :: (store 8 into %stack.4) 186 $eax = IMPLICIT_DEF 187 $ecx = XOR32rr undef $ecx, undef $ecx, implicit-def dead $eflags 188 189 bb.4.bb7: 190 successors: %bb.6.bb26(0x40000000), %bb.5.bb15(0x40000000) 191 liveins: $eax, $ecx, $esi, $r12, $xmm0 192 193 $ebp = MOV32rr killed $ecx 194 $ebx = MOV32rr killed $eax, implicit-def $rbx 195 $r14d = MOV32rr $ebx, implicit-def $r14 196 TEST8rr $sil, $sil, implicit-def $eflags 197 JNE_1 %bb.6.bb26, implicit $eflags 198 199 bb.5.bb15: 200 successors: %bb.6.bb26(0x80000000) 201 liveins: $ebp, $rbx, $r14, $xmm0 202 203 MOV32mr $rsp, 1, $noreg, 24, $noreg, $ebx :: (store 4 into %stack.0, align 8) 204 MOV32mr $rsp, 1, $noreg, 16, $noreg, $ebp :: (store 4 into %stack.1, align 8) 205 MOVSDmr $rsp, 1, $noreg, 8, $noreg, killed $xmm0 :: (store 8 into %stack.2) 206 $rax = MOV64rm $rsp, 1, $noreg, 32, $noreg :: (load 8 from %stack.5) 207 MOV64mr $rsp, 1, $noreg, 48, $noreg, killed $rax :: (store 8 into %stack.3) 208 $rax = MOV64ri @wibble 209 STATEPOINT 2882400000, 0, 0, killed $rax, 2, 0, 2, 0, 2, 30, 2, 1, 2, 0, 2, 99, 2, 0, 2, 12, 2, 0, 2, 10, 1, 8, $rsp, 24, 2, 10, 2, 0, 2, 10, 1, 8, $rsp, 16, 2, 10, 2, 4278124286, 2, 6, 2, 4278124286, 2, 7, 1, 8, $rsp, 8, 2, 99, 2, 0, 2, 7, 2, 4278124286, 2, 99, 2, 0, 2, 13, 1, 8, $rsp, 48, 2, 7, 2, 4278124286, 2, 99, 2, 0, csr_64, implicit-def $rsp :: (volatile load 8 from %stack.0), (volatile load 8 from %stack.1), (volatile load 8 from %stack.2), (volatile load 8 from %stack.3) 210 $esi = XOR32rr undef $esi, undef $esi, implicit-def dead $eflags 211 $r12 = IMPLICIT_DEF 212 213 bb.6.bb26: 214 successors: %bb.8.bb37(0x40000000), %bb.7.bb35(0x40000000) 215 liveins: $ebp, $esi, $rbx, $r12, $r14 216 217 $rax = MOV64ri @global.1 218 $rax = MOV64rm killed $rax, 1, $noreg, 0, $noreg :: (dereferenceable load 8 from @global.1) 219 TEST64rr $rax, $rax, implicit-def $eflags 220 $rax = CMOVE64rr undef $rax, killed $rax, implicit killed $eflags 221 $ecx = MOV32rm undef $rax, 1, $noreg, 0, $noreg :: (load 4 from `i32* undef`) 222 $rdx = MOV64rm $r12, 8, $r14, 0, $noreg :: (load 8 from %ir.tmp3) 223 $r15 = LEA64r $rdx, 1, $noreg, 1, _ 224 MOV64mr $r12, 8, $r14, 0, $noreg, $r15 :: (store 8 into %ir.tmp3) 225 $ecx = SUB32rr killed $ecx, $edx, implicit-def dead $eflags, implicit killed $rdx 226 MOV32mr undef $rax, 1, $noreg, 0, $noreg, killed $ecx :: (store 4 into `i32* undef`) 227 $r13 = MOV64rm killed $rax, 1, $noreg, 768, $noreg :: (load 8 from %ir.tmp33) 228 TEST8rr $sil, $sil, implicit-def $eflags 229 $rax = IMPLICIT_DEF 230 JNE_1 %bb.8.bb37, implicit $eflags 231 232 bb.7.bb35: 233 successors: %bb.8.bb37(0x80000000) 234 liveins: $ebp, $rbx, $r12, $r13, $r14, $r15 235 236 $rsi = MOV64ri @global 237 $rax = MOV64ri @ham 238 CALL64r killed $rax, csr_64, implicit $rsp, implicit undef $rdi, implicit $rsi, implicit-def $rsp, implicit-def $rax 239 $esi = XOR32rr undef $esi, undef $esi, implicit-def dead $eflags 240 241 bb.8.bb37: 242 successors: %bb.9.bb37(0x40000000), %bb.10.bb37(0x40000000) 243 liveins: $ebp, $esi, $rax, $rbx, $r12, $r13, $r14, $r15 244 245 $rcx = MOV64rm killed $rax, 1, $noreg, 760, $noreg :: (load 8 from %ir.tmp40) 246 CMP64rr $r13, $rcx, implicit-def $eflags 247 JL_1 %bb.10.bb37, implicit $eflags 248 249 bb.9.bb37: 250 successors: %bb.10.bb37(0x80000000) 251 liveins: $ebp, $esi, $rbx, $r12, $r13, $r14, $r15 252 253 $cl = MOV8rr $r13b, implicit killed $r13, implicit-def $rcx 254 255 bb.10.bb37: 256 successors: %bb.11.bb51.loopexit(0x00000800), %bb.4.bb7(0x7ffff800) 257 liveins: $ebp, $esi, $rbx, $rcx, $r12, $r14, $r15 258 259 $cl = KILL $cl, implicit killed $rcx 260 $r15 = SAR64rCL killed $r15, implicit-def dead $eflags, implicit $cl 261 MOV64mr $r12, 8, killed $r14, 0, $noreg, killed $r15 :: (store 8 into %ir.tmp7) 262 MOV64mi32 undef $rax, 1, $noreg, 0, $noreg, 0 :: (store 8 into `i64* undef`) 263 $eax = LEA64_32r $rbx, 1, $noreg, 1, _ 264 $ecx = MOV32ri 6 265 CMP32ri $eax, 15141, implicit-def $eflags 266 $xmm0 = MOVSDrm $rsp, 1, $noreg, 40, $noreg :: (load 8 from %stack.4) 267 JL_1 %bb.4.bb7, implicit $eflags 268 269 bb.11.bb51.loopexit: 270 successors: %bb.12.bb51(0x80000000) 271 liveins: $ebp, $rbx 272 273 $ebp = INC32r killed $ebp, implicit-def dead $eflags 274 $ebx = INC32r $ebx, implicit-def dead $eflags, implicit killed $rbx, implicit-def $rbx 275 $rax = MOV64ri %const.0 276 $xmm0 = MOVSDrm killed $rax, 1, $noreg, 0, $noreg :: (load 8 from constant-pool) 277 278 bb.12.bb51: 279 liveins: $ebp, $rbx, $xmm0 280 281 MOV32mr $rsp, 1, $noreg, 24, $noreg, $ebx, implicit killed $rbx :: (store 4 into %stack.0, align 8) 282 MOV32mr $rsp, 1, $noreg, 16, $noreg, killed $ebp :: (store 4 into %stack.1, align 8) 283 MOVSDmr $rsp, 1, $noreg, 8, $noreg, killed $xmm0 :: (store 8 into %stack.2) 284 $rax = MOV64ri @wobble 285 $edi = MOV32ri -121 286 STATEPOINT 2882400000, 0, 1, killed $rax, $edi, 2, 0, 2, 0, 2, 38, 2, 1, 2, 0, 2, 270, 2, 4, 2, 12, 2, 0, 2, 11, 2, 4278124286, 2, 99, 2, 0, 2, 10, 1, 8, $rsp, 24, 2, 6, 2, 4278124286, 2, 99, 2, 0, 2, 99, 2, 0, 2, 10, 1, 8, $rsp, 16, 2, 10, 2, 4278124286, 2, 99, 2, 0, 2, 7, 1, 8, $rsp, 8, 2, 99, 2, 0, 2, 7, 2, 4278124286, 2, 99, 2, 0, 2, 13, 2, 4278124286, 2, 99, 2, 0, 2, 99, 2, 0, csr_64, implicit-def $rsp :: (volatile load 8 from %stack.0), (volatile load 8 from %stack.1), (volatile load 8 from %stack.2) 287 288 bb.13.bb59: 289 $rax = MOV64ri @wobble 290 $edi = MOV32ri 8 291 STATEPOINT 2882400000, 0, 1, killed $rax, $edi, 2, 0, 2, 0, 2, 38, 2, 1, 2, 0, 2, 123, 2, 4, 2, 12, 2, 0, 2, 13, 2, 0, 2, 99, 2, 4278124286, 2, 13, 2, 0, 2, 10, 2, 4278124286, 2, 99, 2, 4278124286, 2, 99, 2, 4278124286, 2, 99, 2, 4278124286, 2, 99, 2, 0, 2, 99, 2, 4278124286, 2, 99, 2, 4278124286, 2, 99, 2, 0, 2, 99, 2, 4278124286, 2, 99, 2, 0, 2, 13, 2, 0, 2, 99, 2, 4278124286, 2, 99, 2, 0, csr_64, implicit-def $rsp 292 293 ... 294
