| Chad Rosier | 8f34801 | 2016-11-07 14:11:45 +0000 | [diff] [blame] | 1 | ; RUN: opt -basicaa -print-alias-sets -S -o - < %s 2>&1 | FileCheck %s |
| 2 | |
| 3 | ; CHECK: Alias sets for function 'test1': |
| 4 | ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 5 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| Chad Rosier | 8f34801 | 2016-11-07 14:11:45 +0000 | [diff] [blame] | 6 | ; CHECK-NOT: 1 Unknown instruction |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 7 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| Chad Rosier | 8f34801 | 2016-11-07 14:11:45 +0000 | [diff] [blame] | 8 | define void @test1(i32 %c) { |
| 9 | entry: |
| 10 | %a = alloca i8, align 1 |
| 11 | %b = alloca i8, align 1 |
| 12 | store i8 1, i8* %a, align 1 |
| 13 | %cond1 = icmp ne i32 %c, 0 |
| 14 | call void @llvm.assume(i1 %cond1) |
| 15 | store i8 1, i8* %b, align 1 |
| 16 | ret void |
| 17 | } |
| 18 | |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 19 | ; CHECK: Alias sets for function 'test2': |
| 20 | ; CHECK: Alias Set Tracker: 3 alias sets for 2 pointer values. |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 21 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, LocationSize::precise(1)) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 22 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Ref |
| 23 | ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 24 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 25 | define void @test2(i32 %c) { |
| 26 | entry: |
| 27 | %a = alloca i8, align 1 |
| 28 | %b = alloca i8, align 1 |
| 29 | store i8 1, i8* %a, align 1 |
| 30 | %cond1 = icmp ne i32 %c, 0 |
| 31 | call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] |
| 32 | store i8 1, i8* %b, align 1 |
| 33 | ret void |
| 34 | } |
| 35 | |
| 36 | ; CHECK: Alias sets for function 'test3': |
| 37 | ; CHECK: Alias Set Tracker: 1 alias sets for 2 pointer values. |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 38 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)), (i8* %b, LocationSize::precise(1)) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 39 | ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] |
| 40 | define void @test3(i32 %c, i8* %a, i8* %b) { |
| 41 | entry: |
| 42 | store i8 1, i8* %a, align 1 |
| 43 | %cond1 = icmp ne i32 %c, 0 |
| 44 | call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] |
| 45 | store i8 1, i8* %b, align 1 |
| 46 | ret void |
| 47 | } |
| 48 | |
| 49 | ; CHECK: Alias sets for function 'test4': |
| 50 | ; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values. |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 51 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %a, LocationSize::precise(1)) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 52 | ; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ] |
| George Burgess IV | d98d505 | 2018-10-10 01:35:22 +0000 | [diff] [blame] | 53 | ; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, LocationSize::precise(1)) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 54 | define void @test4(i32 %c, i8* %a) { |
| 55 | entry: |
| 56 | %b = alloca i8, align 1 |
| 57 | store i8 1, i8* %a, align 1 |
| 58 | %cond1 = icmp ne i32 %c, 0 |
| 59 | call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()] |
| 60 | store i8 1, i8* %b, align 1 |
| 61 | ret void |
| 62 | } |
| 63 | |
| Chad Rosier | 8f34801 | 2016-11-07 14:11:45 +0000 | [diff] [blame] | 64 | declare void @llvm.assume(i1) |
| Max Kazantsev | 5a10d12 | 2018-08-15 06:21:02 +0000 | [diff] [blame] | 65 | declare void @llvm.experimental.guard(i1, ...) |