1; RUN: opt -passes=print-alias-sets -S -o - < %s 2>&1 | FileCheck %s --implicit-check-not="Unknown instructions" 2 3; CHECK: Alias sets for function 'test1': 4; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. 5; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1)) 6; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 7define void @test1(i32 %c) { 8entry: 9 %a = alloca i8, align 1 10 %b = alloca i8, align 1 11 store i8 1, ptr %a, align 1 12 %cond1 = icmp ne i32 %c, 0 13 call void @llvm.assume(i1 %cond1) 14 store i8 1, ptr %b, align 1 15 ret void 16} 17 18; CHECK: Alias sets for function 'test2': 19; CHECK: Alias Set Tracker: 3 alias sets for 2 pointer values. 20; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1)) 21; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Ref 22; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] 23; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 24define void @test2(i32 %c) { 25entry: 26 %a = alloca i8, align 1 27 %b = alloca i8, align 1 28 store i8 1, ptr %a, align 1 29 %cond1 = icmp ne i32 %c, 0 30 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] 31 store i8 1, ptr %b, align 1 32 ret void 33} 34 35; CHECK: Alias sets for function 'test3': 36; CHECK: Alias Set Tracker: 1 alias sets for 2 pointer values. 37; CHECK: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Memory locations: (ptr %a, LocationSize::precise(1)), (ptr %b, LocationSize::precise(1)) 38; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] 39define void @test3(i32 %c, ptr %a, ptr %b) { 40entry: 41 store i8 1, ptr %a, align 1 42 %cond1 = icmp ne i32 %c, 0 43 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] 44 store i8 1, ptr %b, align 1 45 ret void 46} 47 48; CHECK: Alias sets for function 'test4': 49; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. 50; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Memory locations: (ptr %a, LocationSize::precise(1)) 51; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] 52; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 53define void @test4(i32 %c, ptr %a) { 54entry: 55 %b = alloca i8, align 1 56 store i8 1, ptr %a, align 1 57 %cond1 = icmp ne i32 %c, 0 58 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] 59 store i8 1, ptr %b, align 1 60 ret void 61} 62 63; CHECK: Alias sets for function 'test5': 64; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. 65; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1)) 66; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 67define void @test5() { 68entry: 69 %a = alloca i8, align 1 70 %b = alloca i8, align 1 71 store i8 1, ptr %a, align 1 72 call void @llvm.experimental.noalias.scope.decl(metadata !0) 73 store i8 1, ptr %b, align 1 74 ret void 75} 76 77; CHECK: Alias sets for function 'test_runtime': 78; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. 79; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1)) 80; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 81define i1 @test_runtime() local_unnamed_addr { 82entry: 83 %a = alloca i8, align 1 84 %b = alloca i8, align 1 85 store i8 1, ptr %a, align 1 86 %allow = call i1 @llvm.allow.runtime.check(metadata !"test_check") 87 store i8 1, ptr %b, align 1 88 ret i1 %allow 89} 90 91; CHECK: Alias sets for function 'test_ubsan': 92; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. 93; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1)) 94; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1)) 95define i1 @test_ubsan() local_unnamed_addr { 96entry: 97 %a = alloca i8, align 1 98 %b = alloca i8, align 1 99 store i8 1, ptr %a, align 1 100 %allow = call i1 @llvm.allow.ubsan.check(i8 7) 101 store i8 1, ptr %b, align 1 102 ret i1 %allow 103} 104 105declare i1 @llvm.allow.ubsan.check(i8) 106declare i1 @llvm.allow.runtime.check(metadata) 107declare void @llvm.assume(i1) 108declare void @llvm.experimental.guard(i1, ...) 109declare void @llvm.experimental.noalias.scope.decl(metadata) 110 111!0 = !{ !1 } 112!1 = distinct !{ !1, !2, !"test5: var" } 113!2 = distinct !{ !2, !"test5" } 114