1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -S 2>&1 | FileCheck %s 2target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32" 3target triple = "arm-apple-ios" 4 5declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8, i64, i1) #0 6declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) #0 7declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) #0 8 9declare void @a_readonly_func(i8*) #1 10declare void @a_writeonly_func(i8*) #2 11 12define void @test2(i8* %P, i8* %Q) #3 { 13 load i8, i8* %P 14 load i8, i8* %Q 15 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 16 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 17 ret void 18 19; CHECK-LABEL: Function: test2: 20 21; CHECK: MayAlias: i8* %P, i8* %Q 22; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 23; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 24; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 25; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 26; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 27; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 28} 29 30define void @test2_atomic(i8* %P, i8* %Q) #3 { 31 load i8, i8* %P 32 load i8, i8* %Q 33 tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 34 tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 35 ret void 36 37; CHECK-LABEL: Function: test2_atomic: 38 39; CHECK: MayAlias: i8* %P, i8* %Q 40; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 41; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 42; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 43; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 44; CHECK: Both ModRef: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 45; CHECK: Both ModRef: tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) <-> tail call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %P, i8* align 1 %Q, i64 12, i32 1) 46} 47 48define void @test2a(i8* noalias %P, i8* noalias %Q) #3 { 49 load i8, i8* %P 50 load i8, i8* %Q 51 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 52 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 53 ret void 54 55; CHECK-LABEL: Function: test2a: 56 57; CHECK: NoAlias: i8* %P, i8* %Q 58; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 59; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 60; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 61; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 62; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 63; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 64} 65 66define void @test2b(i8* noalias %P, i8* noalias %Q) #3 { 67 load i8, i8* %P 68 load i8, i8* %Q 69 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 70 %R = getelementptr i8, i8* %P, i64 12 71 load i8, i8* %R 72 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 73 ret void 74 75; CHECK-LABEL: Function: test2b: 76 77; CHECK: NoAlias: i8* %P, i8* %Q 78; CHECK: NoAlias: i8* %P, i8* %R 79; CHECK: NoAlias: i8* %Q, i8* %R 80; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 81; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 82; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 83; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 84; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 85; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 86; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 87; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 88} 89 90define void @test2c(i8* noalias %P, i8* noalias %Q) #3 { 91 load i8, i8* %P 92 load i8, i8* %Q 93 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 94 %R = getelementptr i8, i8* %P, i64 11 95 load i8, i8* %R 96 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 97 ret void 98 99; CHECK-LABEL: Function: test2c: 100 101; CHECK: NoAlias: i8* %P, i8* %Q 102; CHECK: NoAlias: i8* %P, i8* %R 103; CHECK: NoAlias: i8* %Q, i8* %R 104; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 105; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 106; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 107; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 108; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 109; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 110; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 111; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 112} 113 114define void @test2d(i8* noalias %P, i8* noalias %Q) #3 { 115 load i8, i8* %P 116 load i8, i8* %Q 117 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 118 %R = getelementptr i8, i8* %P, i64 -12 119 load i8, i8* %R 120 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 121 ret void 122 123; CHECK-LABEL: Function: test2d: 124 125; CHECK: NoAlias: i8* %P, i8* %Q 126; CHECK: NoAlias: i8* %P, i8* %R 127; CHECK: NoAlias: i8* %Q, i8* %R 128; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 129; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 130; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 131; CHECK: NoModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 132; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 133; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 134; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 135; CHECK: NoModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 136} 137 138define void @test2e(i8* noalias %P, i8* noalias %Q) #3 { 139 load i8, i8* %P 140 load i8, i8* %Q 141 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 142 %R = getelementptr i8, i8* %P, i64 -11 143 load i8, i8* %R 144 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 145 ret void 146 147; CHECK-LABEL: Function: test2e: 148 149; CHECK: NoAlias: i8* %P, i8* %Q 150; CHECK: NoAlias: i8* %P, i8* %R 151; CHECK: NoAlias: i8* %Q, i8* %R 152; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 153; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 154; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 155; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 156; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 157; CHECK: Just Mod: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 158; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) 159; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %R, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 160} 161 162define void @test3(i8* %P, i8* %Q) #3 { 163 load i8, i8* %P 164 load i8, i8* %Q 165 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 166 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 167 ret void 168 169; CHECK-LABEL: Function: test3: 170 171; CHECK: MayAlias: i8* %P, i8* %Q 172; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 173; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 174; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 175; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 176; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 177; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 178} 179 180define void @test3a(i8* noalias %P, i8* noalias %Q) #3 { 181 load i8, i8* %P 182 load i8, i8* %Q 183 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 184 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 185 ret void 186 187; CHECK-LABEL: Function: test3a: 188 189; CHECK: NoAlias: i8* %P, i8* %Q 190; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 191; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 192; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 193; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 194; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 195; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 8, i1 false) 196} 197 198define void @test4(i8* %P, i8* noalias %Q) #3 { 199 load i8, i8* %P 200 load i8, i8* %Q 201 tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) 202 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 203 ret void 204 205; CHECK-LABEL: Function: test4: 206 207; CHECK: NoAlias: i8* %P, i8* %Q 208; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) 209; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) 210; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 211; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 212; CHECK: Just Mod: tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 213; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memset.p0i8.i64(i8* %P, i8 42, i64 8, i1 false) 214} 215 216define void @test5(i8* %P, i8* %Q, i8* %R) #3 { 217 load i8, i8* %P 218 load i8, i8* %Q 219 load i8, i8* %R 220 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 221 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 222 ret void 223 224; CHECK-LABEL: Function: test5: 225 226; CHECK: MayAlias: i8* %P, i8* %Q 227; CHECK: MayAlias: i8* %P, i8* %R 228; CHECK: MayAlias: i8* %Q, i8* %R 229; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 230; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 231; CHECK: Both ModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 232; CHECK: Both ModRef: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 233; CHECK: Both ModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 234; CHECK: Both ModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 235; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 236; CHECK: Both ModRef: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 237} 238 239define void @test5a(i8* noalias %P, i8* noalias %Q, i8* noalias %R) nounwind ssp { 240 load i8, i8* %P 241 load i8, i8* %Q 242 load i8, i8* %R 243 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 244 tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 245 ret void 246 247; CHECK-LABEL: Function: test5a: 248 249; CHECK: NoAlias: i8* %P, i8* %Q 250; CHECK: NoAlias: i8* %P, i8* %R 251; CHECK: NoAlias: i8* %Q, i8* %R 252; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 253; CHECK: Just Ref: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 254; CHECK: NoModRef: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 255; CHECK: Just Mod: Ptr: i8* %P <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 256; CHECK: NoModRef: Ptr: i8* %Q <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 257; CHECK: Just Ref: Ptr: i8* %R <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 258; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) 259; CHECK: Just Mod: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %R, i64 12, i1 false) <-> tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %P, i8* %Q, i64 12, i1 false) 260} 261 262define void @test6(i8* %P) #3 { 263 load i8, i8* %P 264 call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, i1 false) 265 call void @a_readonly_func(i8* %P) 266 ret void 267 268; CHECK-LABEL: Function: test6: 269 270; CHECK: Just Mod (MustAlias): Ptr: i8* %P <-> call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, i1 false) 271; CHECK: Just Ref: Ptr: i8* %P <-> call void @a_readonly_func(i8* %P) 272; CHECK: Just Mod: call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, i1 false) <-> call void @a_readonly_func(i8* %P) 273; CHECK: Just Ref: call void @a_readonly_func(i8* %P) <-> call void @llvm.memset.p0i8.i64(i8* align 8 %P, i8 -51, i64 32, i1 false) 274} 275 276define void @test7(i8* %P) #3 { 277 load i8, i8* %P 278 call void @a_writeonly_func(i8* %P) 279 call void @a_readonly_func(i8* %P) 280 ret void 281 282; CHECK-LABEL: Function: test7: 283 284; CHECK: Just Mod: Ptr: i8* %P <-> call void @a_writeonly_func(i8* %P) 285; CHECK: Just Ref: Ptr: i8* %P <-> call void @a_readonly_func(i8* %P) 286; CHECK: Just Mod: call void @a_writeonly_func(i8* %P) <-> call void @a_readonly_func(i8* %P) 287; CHECK: Just Ref: call void @a_readonly_func(i8* %P) <-> call void @a_writeonly_func(i8* %P) 288} 289 290declare void @an_inaccessiblememonly_func() #4 291declare void @an_inaccessibleorargmemonly_func(i8*) #5 292declare void @an_argmemonly_func(i8*) #0 293 294define void @test8(i8* %p) { 295entry: 296 %q = getelementptr i8, i8* %p, i64 16 297 load i8, i8* %p 298 load i8, i8* %q 299 call void @a_readonly_func(i8* %p) 300 call void @an_inaccessiblememonly_func() 301 call void @a_writeonly_func(i8* %q) 302 call void @an_inaccessiblememonly_func() 303 call void @an_inaccessibleorargmemonly_func(i8* %q) 304 call void @an_argmemonly_func(i8* %q) 305 ret void 306 307; CHECK-LABEL: Function: test8 308; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func() 309; CHECK: NoModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func() 310; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 311; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 312; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q) 313; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) 314; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_inaccessiblememonly_func() 315; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 316; CHECK: Just Ref: call void @a_readonly_func(i8* %p) <-> call void @an_argmemonly_func(i8* %q) 317; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @a_readonly_func(i8* %p) 318; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @a_writeonly_func(i8* %q) 319; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @an_inaccessiblememonly_func() 320; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 321; CHECK: NoModRef: call void @an_inaccessiblememonly_func() <-> call void @an_argmemonly_func(i8* %q) 322; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func() 323; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 324; CHECK: Just Mod: call void @a_writeonly_func(i8* %q) <-> call void @an_argmemonly_func(i8* %q) 325; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @a_readonly_func(i8* %p) 326; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @a_writeonly_func(i8* %q) 327; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func() 328; CHECK: Both ModRef (MustAlias): call void @an_inaccessibleorargmemonly_func(i8* %q) <-> call void @an_argmemonly_func(i8* %q) 329; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) <-> call void @a_readonly_func(i8* %p) 330; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) <-> call void @a_writeonly_func(i8* %q) 331; CHECK: NoModRef: call void @an_argmemonly_func(i8* %q) <-> call void @an_inaccessiblememonly_func() 332; CHECK: Both ModRef (MustAlias): call void @an_argmemonly_func(i8* %q) <-> call void @an_inaccessibleorargmemonly_func(i8* %q) 333} 334 335;; test that MustAlias is set for calls when no MayAlias is found. 336declare void @another_argmemonly_func(i8*, i8*) #0 337define void @test8a(i8* noalias %p, i8* noalias %q) { 338entry: 339 load i8, i8* %p 340 load i8, i8* %q 341 call void @another_argmemonly_func(i8* %p, i8* %q) 342 ret void 343 344; CHECK-LABEL: Function: test8a 345; CHECK: Both ModRef: Ptr: i8* %p <-> call void @another_argmemonly_func(i8* %p, i8* %q) 346; CHECK: Both ModRef: Ptr: i8* %q <-> call void @another_argmemonly_func(i8* %p, i8* %q) 347} 348define void @test8b(i8* %p, i8* %q) { 349entry: 350 load i8, i8* %p 351 load i8, i8* %q 352 call void @another_argmemonly_func(i8* %p, i8* %q) 353 ret void 354 355; CHECK-LABEL: Function: test8b 356; CHECK: Both ModRef: Ptr: i8* %p <-> call void @another_argmemonly_func(i8* %p, i8* %q) 357; CHECK: Both ModRef: Ptr: i8* %q <-> call void @another_argmemonly_func(i8* %p, i8* %q) 358} 359 360 361;; test that unknown operand bundle has unknown effect to the heap 362define void @test9(i8* %p) { 363; CHECK-LABEL: Function: test9 364entry: 365 %q = getelementptr i8, i8* %p, i64 16 366 load i8, i8* %p 367 load i8, i8* %q 368 call void @a_readonly_func(i8* %p) [ "unknown"() ] 369 call void @an_inaccessiblememonly_func() [ "unknown"() ] 370 call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 371 call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 372 ret void 373 374; CHECK: Both ModRef: Ptr: i8* %p <-> call void @a_readonly_func(i8* %p) [ "unknown"() ] 375; CHECK: Both ModRef: Ptr: i8* %q <-> call void @a_readonly_func(i8* %p) [ "unknown"() ] 376; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func() [ "unknown"() ] 377; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func() [ "unknown"() ] 378; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 379; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 380; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 381; CHECK: Both ModRef: Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 382; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ] 383; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 384; CHECK: Both ModRef: call void @a_readonly_func(i8* %p) [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 385; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ] 386; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 387; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 388; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ] 389; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ] 390; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) [ "unknown"() ] 391; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) [ "unknown"() ] 392; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() [ "unknown"() ] 393; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) [ "unknown"() ] 394} 395 396;; test callsite overwrite of unknown operand bundle 397define void @test10(i8* %p) { 398; CHECK-LABEL: Function: test10 399entry: 400 %q = getelementptr i8, i8* %p, i64 16 401 load i8, i8* %p 402 load i8, i8* %q 403 call void @a_readonly_func(i8* %p) #6 [ "unknown"() ] 404 call void @an_inaccessiblememonly_func() #7 [ "unknown"() ] 405 call void @an_inaccessibleorargmemonly_func(i8* %q) #8 [ "unknown"() ] 406 call void @an_argmemonly_func(i8* %q) #9 [ "unknown"() ] 407 ret void 408 409; CHECK: Just Ref: Ptr: i8* %p <-> call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] 410; CHECK: Just Ref: Ptr: i8* %q <-> call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] 411; CHECK: NoModRef: Ptr: i8* %p <-> call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] 412; CHECK: NoModRef: Ptr: i8* %q <-> call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] 413; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] 414; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] 415; CHECK: Both ModRef: Ptr: i8* %p <-> call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] 416; CHECK: Both ModRef (MustAlias): Ptr: i8* %q <-> call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] 417; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] 418; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] 419; CHECK: Just Ref: call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] 420; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] 421; CHECK: Both ModRef: call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] 422; CHECK: NoModRef: call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] 423; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] 424; CHECK: Both ModRef: call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] 425; CHECK: Both ModRef (MustAlias): call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] <-> call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] 426; CHECK: Both ModRef: call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] <-> call void @a_readonly_func(i8* %p) #9 [ "unknown"() ] 427; CHECK: NoModRef: call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] <-> call void @an_inaccessiblememonly_func() #10 [ "unknown"() ] 428; CHECK: Both ModRef (MustAlias): call void @an_argmemonly_func(i8* %q) #12 [ "unknown"() ] <-> call void @an_inaccessibleorargmemonly_func(i8* %q) #11 [ "unknown"() ] 429} 430 431 432; CHECK: attributes #0 = { argmemonly nocallback nofree nounwind willreturn writeonly } 433; CHECK-NEXT: attributes #1 = { argmemonly nocallback nofree nounwind willreturn } 434; CHECK-NEXT: attributes #2 = { argmemonly nosync nounwind willreturn } 435; CHECK-NEXT: attributes #3 = { noinline nounwind readonly } 436; CHECK-NEXT: attributes #4 = { noinline nounwind writeonly } 437; CHECK-NEXT: attributes #5 = { nounwind ssp } 438; CHECK-NEXT: attributes #6 = { inaccessiblememonly nounwind } 439; CHECK-NEXT: attributes #7 = { inaccessiblemem_or_argmemonly nounwind } 440; CHECK-NEXT: attributes #8 = { argmemonly nounwind } 441; CHECK-NEXT: attributes #9 = { readonly } 442; CHECK-NEXT: attributes #10 = { inaccessiblememonly } 443; CHECK-NEXT: attributes #11 = { inaccessiblemem_or_argmemonly } 444; CHECK-NEXT: attributes #12 = { argmemonly } 445 446attributes #0 = { argmemonly nounwind } 447attributes #1 = { noinline nounwind readonly } 448attributes #2 = { noinline nounwind writeonly } 449attributes #3 = { nounwind ssp } 450attributes #4 = { inaccessiblememonly nounwind } 451attributes #5 = { inaccessiblemem_or_argmemonly nounwind } 452attributes #6 = { readonly } 453attributes #7 = { inaccessiblememonly } 454attributes #8 = { inaccessiblemem_or_argmemonly } 455attributes #9 = { argmemonly } 456