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1; RUN: opt -mtriple=x86_64-pc-linux-gnu -aa-pipeline=basic-aa -passes=inferattrs,aa-eval -print-all-alias-modref-info -disable-output 2>&1 %s | FileCheck %s2 3; CHECK-LABEL: Function: test_memcmp_const_size4; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)5; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)6; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)7; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)8; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)9; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)10define i32 @test_memcmp_const_size(ptr noalias %a, ptr noalias %b) {11entry:12 load i8, ptr %a13 load i8, ptr %b14 %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 4)15 %a.gep.1 = getelementptr i8, ptr %a, i32 116 store i8 0, ptr %a.gep.117 %a.gep.5 = getelementptr i8, ptr %a, i32 518 store i8 1, ptr %a.gep.519 %b.gep.1 = getelementptr i8, ptr %b, i32 120 store i8 2, ptr %b.gep.121 %b.gep.5 = getelementptr i8, ptr %b, i32 522 store i8 3, ptr %b.gep.523 ret i32 %res24}25 26; CHECK-LABEL: Function: test_memcmp_variable_size27; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)28; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)29; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)30; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)31; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)32; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)33define i32 @test_memcmp_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) {34entry:35 load i8, ptr %a36 load i8, ptr %b37 %res = tail call i32 @memcmp(ptr %a, ptr %b, i64 %n)38 %a.gep.1 = getelementptr i8, ptr %a, i32 139 store i8 0, ptr %a.gep.140 %a.gep.5 = getelementptr i8, ptr %a, i32 541 store i8 1, ptr %a.gep.542 %b.gep.1 = getelementptr i8, ptr %b, i32 143 store i8 2, ptr %b.gep.144 %b.gep.5 = getelementptr i8, ptr %b, i32 545 store i8 3, ptr %b.gep.546 ret i32 %res47}48 49declare i32 @memcmp(ptr, ptr, i64)50declare i32 @bcmp(ptr, ptr, i64)51 52; CHECK-LABEL: Function: test_bcmp_const_size53; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)54; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)55; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)56; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)57; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)58; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)59define i32 @test_bcmp_const_size(ptr noalias %a, ptr noalias %b) {60entry:61 load i8, ptr %a62 load i8, ptr %b63 %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 4)64 %a.gep.1 = getelementptr i8, ptr %a, i32 165 store i8 0, ptr %a.gep.166 %a.gep.5 = getelementptr i8, ptr %a, i32 567 store i8 1, ptr %a.gep.568 %b.gep.1 = getelementptr i8, ptr %b, i32 169 store i8 2, ptr %b.gep.170 %b.gep.5 = getelementptr i8, ptr %b, i32 571 store i8 3, ptr %b.gep.572 ret i32 %res73}74 75; CHECK-LABEL: Function: test_bcmp_variable_size76; CHECK: Just Ref: Ptr: i8* %a <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)77; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)78; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)79; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)80; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)81; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)82define i32 @test_bcmp_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) {83entry:84 load i8, ptr %a85 load i8, ptr %b86 %res = tail call i32 @bcmp(ptr %a, ptr %b, i64 %n)87 %a.gep.1 = getelementptr i8, ptr %a, i32 188 store i8 0, ptr %a.gep.189 %a.gep.5 = getelementptr i8, ptr %a, i32 590 store i8 1, ptr %a.gep.591 %b.gep.1 = getelementptr i8, ptr %b, i32 192 store i8 2, ptr %b.gep.193 %b.gep.5 = getelementptr i8, ptr %b, i32 594 store i8 3, ptr %b.gep.595 ret i32 %res96}97 98declare ptr @memchr(ptr, i32, i64)99 100; CHECK-LABEL: Function: test_memchr_const_size101; CHECK: Just Ref: Ptr: i8* %res <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4)102; CHECK-NEXT: Just Ref: Ptr: i8* %a.gep.1 <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4)103; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = call ptr @memchr(ptr %a, i32 42, i64 4)104define ptr @test_memchr_const_size(ptr noalias %a) {105entry:106 %res = call ptr @memchr(ptr %a, i32 42, i64 4)107 load i8, ptr %res108 %a.gep.1 = getelementptr i8, ptr %a, i32 1109 store i8 0, ptr %a.gep.1110 %a.gep.5 = getelementptr i8, ptr %a, i32 5111 store i8 1, ptr %a.gep.5112 ret ptr %res113}114 115declare ptr @memccpy(ptr, ptr, i32, i64)116 117; CHECK-LABEL: Function: test_memccpy_const_size118; CHECK: Just Mod: Ptr: i8* %a <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)119; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)120; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)121; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)122; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)123; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)124; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)125 126define ptr @test_memccpy_const_size(ptr noalias %a, ptr noalias %b) {127entry:128 load i8, ptr %a129 load i8, ptr %b130 %res = call ptr @memccpy(ptr %a, ptr %b, i32 42, i64 4)131 load i8, ptr %res132 %a.gep.1 = getelementptr i8, ptr %a, i32 1133 store i8 0, ptr %a.gep.1134 %a.gep.5 = getelementptr i8, ptr %a, i32 5135 store i8 1, ptr %a.gep.5136 %b.gep.1 = getelementptr i8, ptr %b, i32 1137 store i8 2, ptr %b.gep.1138 %b.gep.5 = getelementptr i8, ptr %b, i32 5139 store i8 3, ptr %b.gep.5140 ret ptr %res141}142 143declare ptr @strcat(ptr, ptr)144 145define ptr @test_strcat_read_write_after(ptr noalias %a, ptr noalias %b) {146; CHECK-LABEL: Function: test_strcat_read_write_after147; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)148; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)149; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)150; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)151; CHECK-NEXT: Both ModRef: Ptr: i8* %res <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)152; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)153; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)154;155entry:156 store i8 0, ptr %a157 store i8 2, ptr %b158 %a.gep.1 = getelementptr i8, ptr %a, i32 1159 load i8, ptr %a.gep.1160 %b.gep.1 = getelementptr i8, ptr %b, i32 1161 load i8, ptr %b.gep.1162 %res = tail call ptr @strcat(ptr %a.gep.1, ptr %b.gep.1)163 load i8, ptr %res164 %a.gep.5 = getelementptr i8, ptr %a, i32 5165 store i8 1, ptr %a.gep.5166 %b.gep.5 = getelementptr i8, ptr %b, i32 5167 store i8 3, ptr %b.gep.5168 ret ptr %res169}170 171declare ptr @strncat(ptr, ptr, i64)172 173define ptr @test_strncat_read_write_after(ptr noalias %a, ptr noalias %b, i64 %n) {174; CHECK-LABEL: Function: test_strncat_read_write_after175; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)176; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)177; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)178; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)179; CHECK-NEXT: Both ModRef: Ptr: i8* %res <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)180; CHECK-NEXT: Both ModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)181; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)182;183entry:184 store i8 0, ptr %a185 store i8 2, ptr %b186 %a.gep.1 = getelementptr i8, ptr %a, i32 1187 load i8, ptr %a.gep.1188 %b.gep.1 = getelementptr i8, ptr %b, i32 1189 load i8, ptr %b.gep.1190 %res = tail call ptr @strncat(ptr %a.gep.1, ptr %b.gep.1, i64 %n)191 load i8, ptr %res192 %a.gep.5 = getelementptr i8, ptr %a, i32 5193 store i8 1, ptr %a.gep.5194 %b.gep.5 = getelementptr i8, ptr %b, i32 5195 store i8 3, ptr %b.gep.5196 ret ptr %res197}198 199declare ptr @strcpy(ptr, ptr)200 201define ptr @test_strcpy_read_write_after(ptr noalias %a, ptr noalias %b) {202; CHECK-LABEL: Function: test_strcpy_read_write_after203; CHECK: NoModRef: Ptr: i8* %a <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)204; CHECK-NEXT: NoModRef: Ptr: i8* %b <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)205; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)206; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)207; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)208; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)209; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)210;211entry:212 store i8 0, ptr %a213 store i8 2, ptr %b214 %a.gep.1 = getelementptr i8, ptr %a, i32 1215 load i8, ptr %a.gep.1216 %b.gep.1 = getelementptr i8, ptr %b, i32 1217 load i8, ptr %b.gep.1218 %res = tail call ptr @strcpy(ptr %a.gep.1, ptr %b.gep.1)219 load i8, ptr %res220 %a.gep.5 = getelementptr i8, ptr %a, i32 5221 store i8 1, ptr %a.gep.5222 %b.gep.5 = getelementptr i8, ptr %b, i32 5223 store i8 3, ptr %b.gep.5224 ret ptr %res225}226 227declare ptr @strncpy(ptr, ptr, i64)228 229define ptr @test_strncpy_const_size(ptr noalias %a, ptr noalias %b) {230; CHECK-LABEL: Function: test_strncpy_const_size231; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)232; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)233; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)234; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)235; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)236; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)237; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)238;239entry:240 load i8, ptr %a241 load i8, ptr %b242 %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 4)243 load i8, ptr %res244 %a.gep.1 = getelementptr i8, ptr %a, i32 1245 store i8 0, ptr %a.gep.1246 %a.gep.5 = getelementptr i8, ptr %a, i32 5247 store i8 1, ptr %a.gep.5248 %b.gep.1 = getelementptr i8, ptr %b, i32 1249 store i8 2, ptr %b.gep.1250 %b.gep.5 = getelementptr i8, ptr %b, i32 5251 store i8 3, ptr %b.gep.5252 ret ptr %res253}254 255define ptr @test_strncpy_variable_size(ptr noalias %a, ptr noalias %b, i64 %n) {256; CHECK-LABEL: Function: test_strncpy_variable_size257; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)258; CHECK-NEXT: Just Ref: Ptr: i8* %b <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)259; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)260; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)261; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)262; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)263; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)264;265entry:266 load i8, ptr %a267 load i8, ptr %b268 %res = tail call ptr @strncpy(ptr %a, ptr %b, i64 %n)269 load i8, ptr %res270 %a.gep.1 = getelementptr i8, ptr %a, i32 1271 store i8 0, ptr %a.gep.1272 %a.gep.5 = getelementptr i8, ptr %a, i32 5273 store i8 1, ptr %a.gep.5274 %b.gep.1 = getelementptr i8, ptr %b, i32 1275 store i8 2, ptr %b.gep.1276 %b.gep.5 = getelementptr i8, ptr %b, i32 5277 store i8 3, ptr %b.gep.5278 ret ptr %res279}280 281declare ptr @__memset_chk(ptr writeonly, i32, i64, i64)282 283; CHECK-LABEL: Function: test_memset_chk_const_size284define ptr @test_memset_chk_const_size(ptr noalias %a, i64 %n) {285; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n)286; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n)287; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n)288; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n)289;290entry:291 load i8, ptr %a292 %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 4, i64 %n)293 load i8, ptr %res294 %a.gep.1 = getelementptr i8, ptr %a, i32 1295 store i8 0, ptr %a.gep.1296 %a.gep.5 = getelementptr i8, ptr %a, i32 5297 store i8 1, ptr %a.gep.5298 ret ptr %res299}300 301define ptr @test_memset_chk_variable_size(ptr noalias %a, i64 %n.1, i64 %n.2) {302; CHECK-LABEL: Function: test_memset_chk_variable_size303; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2)304; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2)305; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2)306; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2)307;308entry:309 load i8, ptr %a310 %res = tail call ptr @__memset_chk(ptr %a, i32 0, i64 %n.1, i64 %n.2)311 load i8, ptr %res312 %a.gep.1 = getelementptr i8, ptr %a, i32 1313 store i8 0, ptr %a.gep.1314 %a.gep.5 = getelementptr i8, ptr %a, i32 5315 store i8 1, ptr %a.gep.5316 ret ptr %res317}318 319declare ptr @__memcpy_chk(ptr writeonly, ptr readonly, i64, i64)320 321define ptr @test_memcpy_chk_const_size(ptr noalias %a, ptr noalias %b, i64 %n) {322; CHECK-LABEL: Function: test_memcpy_chk_const_size323; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)324; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)325; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)326; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)327; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)328; CHECK-NEXT: NoModRef: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)329;330entry:331 load i8, ptr %a332 %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 4, i64 %n)333 load i8, ptr %res334 %a.gep.1 = getelementptr i8, ptr %a, i32 1335 store i8 0, ptr %a.gep.1336 %a.gep.5 = getelementptr i8, ptr %a, i32 5337 store i8 1, ptr %a.gep.5338 %b.gep.1 = getelementptr i8, ptr %b, i32 1339 store i8 0, ptr %b.gep.1340 %b.gep.5 = getelementptr i8, ptr %b, i32 5341 store i8 1, ptr %b.gep.5342 ret ptr %res343}344 345define ptr @test_memcpy_chk_variable_size(ptr noalias %a, ptr noalias %b, i64 %n.1, i64 %n.2) {346; CHECK-LABEL: Function: test_memcpy_chk_variable_size347; CHECK: Just Mod: Ptr: i8* %a <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)348; CHECK-NEXT: Just Mod: Ptr: i8* %res <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)349; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)350; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)351; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.1 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)352; CHECK-NEXT: Just Ref: Ptr: i8* %b.gep.5 <-> %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)353;354entry:355 load i8, ptr %a356 %res = tail call ptr @__memcpy_chk(ptr %a, ptr %b, i64 %n.1, i64 %n.2)357 load i8, ptr %res358 %a.gep.1 = getelementptr i8, ptr %a, i32 1359 store i8 0, ptr %a.gep.1360 %a.gep.5 = getelementptr i8, ptr %a, i32 5361 store i8 1, ptr %a.gep.5362 %b.gep.1 = getelementptr i8, ptr %b, i32 1363 store i8 0, ptr %b.gep.1364 %b.gep.5 = getelementptr i8, ptr %b, i32 5365 store i8 1, ptr %b.gep.5366 ret ptr %res367}368