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1; RUN: opt -mtriple=x86_64-apple-macosx10.7 -aa-pipeline=basic-aa -passes=inferattrs,aa-eval -print-all-alias-modref-info -disable-output 2>&1 %s | FileCheck %s2 3declare void @memset_pattern4(ptr, ptr, i64)4declare void @memset_pattern8(ptr, ptr, i64)5declare void @memset_pattern16(ptr, ptr, i64)6 7define void @test_memset_pattern4_const_size(ptr noalias %a, ptr noalias %pattern) {8; CHECK-LABEL: Function: test_memset_pattern4_const_size9; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)10; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)11; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)12; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.17 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)13; CHECK-NEXT: Just Ref: Ptr: i8* %pattern.gep.3 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)14; CHECK-NEXT: NoModRef: Ptr: i8* %pattern.gep.4 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)15;16entry:17 load i8, ptr %a18 load i8, ptr %pattern19 call void @memset_pattern4(ptr %a, ptr %pattern, i64 17)20 %a.gep.1 = getelementptr i8, ptr %a, i32 121 store i8 0, ptr %a.gep.122 %a.gep.17 = getelementptr i8, ptr %a, i32 1723 store i8 1, ptr %a.gep.1724 25 %pattern.gep.3 = getelementptr i8, ptr %pattern, i32 326 store i8 1, ptr %pattern.gep.327 %pattern.gep.4 = getelementptr i8, ptr %pattern, i32 428 store i8 1, ptr %pattern.gep.429 ret void30}31 32define void @test_memset_pattern4_variable_size(ptr noalias %a, ptr noalias %pattern, i64 %n) {33; CHECK-LABEL: Function: test_memset_pattern4_variable_size34; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 %n)35; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 %n)36; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 %n)37; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.17 <-> call void @memset_pattern4(ptr %a, ptr %pattern, i64 %n)38;39entry:40 load i8, ptr %a41 load i8, ptr %pattern42 call void @memset_pattern4(ptr %a, ptr %pattern, i64 %n)43 %a.gep.1 = getelementptr i8, ptr %a, i32 144 store i8 0, ptr %a.gep.145 %a.gep.17 = getelementptr i8, ptr %a, i32 1746 store i8 1, ptr %a.gep.1747 ret void48}49 50define void @test_memset_pattern8_const_size(ptr noalias %a, ptr noalias %pattern) {51; CHECK-LABEL: Function: test_memset_pattern8_const_size52; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)53; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)54; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)55; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.17 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)56; CHECK-NEXT: Just Ref: Ptr: i8* %pattern.gep.7 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)57; CHECK-NEXT: NoModRef: Ptr: i8* %pattern.gep.8 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)58;59entry:60 load i8, ptr %a61 load i8, ptr %pattern62 call void @memset_pattern8(ptr %a, ptr %pattern, i64 17)63 %a.gep.1 = getelementptr i8, ptr %a, i32 164 store i8 0, ptr %a.gep.165 %a.gep.17 = getelementptr i8, ptr %a, i32 1766 store i8 1, ptr %a.gep.1767 68 %pattern.gep.7 = getelementptr i8, ptr %pattern, i32 769 store i8 1, ptr %pattern.gep.770 %pattern.gep.8 = getelementptr i8, ptr %pattern, i32 871 store i8 1, ptr %pattern.gep.872 ret void73}74 75define void @test_memset_pattern8_variable_size(ptr noalias %a, ptr noalias %pattern, i64 %n) {76; CHECK-LABEL: Function: test_memset_pattern8_variable_size77; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 %n)78; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 %n)79; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 %n)80; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.17 <-> call void @memset_pattern8(ptr %a, ptr %pattern, i64 %n)81;82entry:83 load i8, ptr %a84 load i8, ptr %pattern85 call void @memset_pattern8(ptr %a, ptr %pattern, i64 %n)86 %a.gep.1 = getelementptr i8, ptr %a, i32 187 store i8 0, ptr %a.gep.188 %a.gep.17 = getelementptr i8, ptr %a, i32 1789 store i8 1, ptr %a.gep.1790 ret void91}92 93define void @test_memset_pattern16_const_size(ptr noalias %a, ptr noalias %pattern) {94; CHECK-LABEL: Function: test_memset_pattern16_const_size95; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)96; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)97; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)98; CHECK-NEXT: NoModRef: Ptr: i8* %a.gep.17 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)99; CHECK-NEXT: Just Ref: Ptr: i8* %pattern.gep.15 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)100; CHECK-NEXT: NoModRef: Ptr: i8* %pattern.gep.16 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)101;102entry:103 load i8, ptr %a104 load i8, ptr %pattern105 call void @memset_pattern16(ptr %a, ptr %pattern, i64 17)106 %a.gep.1 = getelementptr i8, ptr %a, i32 1107 store i8 0, ptr %a.gep.1108 %a.gep.17 = getelementptr i8, ptr %a, i32 17109 store i8 1, ptr %a.gep.17110 111 %pattern.gep.15 = getelementptr i8, ptr %pattern, i32 15112 store i8 1, ptr %pattern.gep.15113 %pattern.gep.16 = getelementptr i8, ptr %pattern, i32 16114 store i8 1, ptr %pattern.gep.16115 ret void116}117 118define void @test_memset_pattern16_variable_size(ptr noalias %a, ptr noalias %pattern, i64 %n) {119; CHECK-LABEL: Function: test_memset_pattern16_variable_size120; CHECK: Just Mod: Ptr: i8* %a <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 %n)121; CHECK-NEXT: Just Ref: Ptr: i8* %pattern <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 %n)122; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.1 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 %n)123; CHECK-NEXT: Just Mod: Ptr: i8* %a.gep.17 <-> call void @memset_pattern16(ptr %a, ptr %pattern, i64 %n)124;125entry:126 load i8, ptr %a127 load i8, ptr %pattern128 call void @memset_pattern16(ptr %a, ptr %pattern, i64 %n)129 %a.gep.1 = getelementptr i8, ptr %a, i32 1130 store i8 0, ptr %a.gep.1131 %a.gep.17 = getelementptr i8, ptr %a, i32 17132 store i8 1, ptr %a.gep.17133 ret void134}135