| ; RUN: opt -basic-aa -print-alias-sets -S -o - < %s 2>&1 | FileCheck %s |
| |
| @s = global i8 1, align 1 |
| @d = global i8 2, align 1 |
| |
| |
| ; CHECK: Alias sets for function 'test_known_size': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Ref Pointers: (i8* %s, LocationSize::precise(1)) |
| define void @test_known_size(i8* noalias %s, i8* noalias %d) { |
| entry: |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 1, i1 false) |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test_unknown_size': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, unknown after) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Ref Pointers: (i8* %s, unknown after) |
| define void @test_unknown_size(i8* noalias %s, i8* noalias %d, i64 %len) { |
| entry: |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 %len, i1 false) |
| ret void |
| } |
| |
| |
| ; CHECK: Alias sets for function 'test1': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test1(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 1, i1 false) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test1_atomic': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test1_atomic(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store atomic i8 1, i8* %a unordered, align 1 |
| call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %d, i8* align 1 %s, i64 1, i32 1) |
| store atomic i8 1, i8* %b unordered, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test2': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test2(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 1, i1 true) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test3': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test3(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memmove.p0i8.p0i8.i64(i8* %d, i8* %s, i64 1, i1 false) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test3_atomic': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test3_atomic(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store atomic i8 1, i8* %a unordered, align 1 |
| call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %d, i8* align 1 %s, i64 1, i32 1) |
| store atomic i8 1, i8* %b unordered, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test4': |
| ; CHECK: Alias Set Tracker: 3 alias sets for 4 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK-NOT: 1 Unknown instructions |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %d, LocationSize::precise(1)), (i8* %s, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test4(i8* %s, i8* %d) { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memmove.p0i8.p0i8.i64(i8* %d, i8* %s, i64 1, i1 true) |
| 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/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; 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.memcpy.p0i8.p0i8.i64(i8* %b, i8* %a, i64 1, i1 false) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test5_atomic': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test5_atomic() { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store atomic i8 1, i8* %a unordered, align 1 |
| call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %b, i8* align 1 %a, i64 1, i32 1) |
| store atomic i8 1, i8* %b unordered, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test6': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test6() { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memmove.p0i8.p0i8.i64(i8* %b, i8* %a, i64 1, i1 false) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test6_atomic': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test6_atomic() { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store atomic i8 1, i8* %a unordered, align 1 |
| call void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %b, i8* align 1 %a, i64 1, i32 1) |
| store atomic i8 1, i8* %b unordered, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test7': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test7() { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store i8 1, i8* %a, align 1 |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %a, i64 1, i1 false) |
| call void @llvm.memcpy.p0i8.p0i8.i64(i8* %a, i8* %b, i64 1, i1 false) |
| store i8 1, i8* %b, align 1 |
| ret void |
| } |
| |
| ; CHECK: Alias sets for function 'test7_atomic': |
| ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod/Ref Pointers: (i8* %b, LocationSize::precise(1)) |
| define void @test7_atomic() { |
| entry: |
| %a = alloca i8, align 1 |
| %b = alloca i8, align 1 |
| store atomic i8 1, i8* %a unordered, align 1 |
| call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %b, i8* align 1 %a, i64 1, i32 1) |
| call void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* align 1 %a, i8* align 1 %b, i64 1, i32 1) |
| store atomic i8 1, i8* %b unordered, align 1 |
| ret void |
| } |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) |
| declare void @llvm.memcpy.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) |
| declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1) |
| declare void @llvm.memmove.element.unordered.atomic.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i32) |