; RUN: opt -basic-aa -print-alias-sets -S -o - < %s 2>&1 | FileCheck %s ; CHECK: Alias sets for function 'test1': ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) ; CHECK-NOT: 1 Unknown instruction ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) define void @test1(i32 %c) { entry: %a = alloca i8, align 1 %b = alloca i8, align 1 store i8 1, i8* %a, align 1 %cond1 = icmp ne i32 %c, 0 call void @llvm.assume(i1 %cond1) store i8 1, i8* %b, align 1 ret void } ; CHECK: Alias sets for function 'test2': ; CHECK: Alias Set Tracker: 3 alias sets for 2 pointer values. ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Ref ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) define void @test2(i32 %c) { entry: %a = alloca i8, align 1 %b = alloca i8, align 1 store i8 1, i8* %a, align 1 %cond1 = icmp ne i32 %c, 0 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] store i8 1, i8* %b, align 1 ret void } ; CHECK: Alias sets for function 'test3': ; CHECK: Alias Set Tracker: 1 alias sets for 2 pointer values. ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)), (i8* %b, LocationSize::precise(1)) ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] define void @test3(i32 %c, i8* %a, i8* %b) { entry: store i8 1, i8* %a, align 1 %cond1 = icmp ne i32 %c, 0 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] store i8 1, i8* %b, align 1 ret void } ; CHECK: Alias sets for function 'test4': ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) define void @test4(i32 %c, i8* %a) { entry: %b = alloca i8, align 1 store i8 1, i8* %a, align 1 %cond1 = icmp ne i32 %c, 0 call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] store i8 1, i8* %b, align 1 ret void } ; CHECK: Alias sets for function 'test5': ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) ; CHECK-NOT: 1 Unknown instruction ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) define void @test5() { entry: %a = alloca i8, align 1 %b = alloca i8, align 1 store i8 1, i8* %a, align 1 call void @llvm.experimental.noalias.scope.decl(metadata !0) store i8 1, i8* %b, align 1 ret void } declare void @llvm.assume(i1) declare void @llvm.experimental.guard(i1, ...) declare void @llvm.experimental.noalias.scope.decl(metadata) !0 = !{ !1 } !1 = distinct !{ !1, !2, !"test5: var" } !2 = distinct !{ !2, !"test5" }