replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[AST][Tests] Clarify what each test is doing 

llvm-svn: 340100
This commit is contained in:
Philip Reames 2018-08-17 21:58:26 +00:00
parent 9e313167cf
commit 26f6176f38
1 changed files with 23 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
llvm/test/Analysis/AliasSet/argmemonly.ll
View File

@ -3,34 +3,39 @@
@s = global i8 1, align 1
@d = global i8 2, align 1
; CHECK: Alias sets for function 'test1':
; CHECK-NEXT: Alias Set Tracker: 3 alias sets for 2 pointer values.
; CHECK: Alias sets for function 'test_alloca_argmemonly':
; CHECK-NEXT: Alias Set Tracker: 2 alias sets for 1 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, 1)
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
; CHECK-NEXT: 1 Unknown instructions: call void @my_memcpy(i8* %d, i8* %s, i64 1)
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, 1)
define void @test1(i8* %s, i8* %d) {
define void @test_alloca_argmemonly(i8* %s, i8* %d) {
entry:
%a = alloca i8, align 1
%b = alloca i8, align 1
store i8 1, i8* %a, align 1
call void @my_memcpy(i8* %d, i8* %s, i64 1)
store i8 1, i8* %b, align 1
ret void
}
; CHECK: Alias sets for function 'test3':
; CHECK-NEXT: Alias Set Tracker: 3 alias sets for 2 pointer values.
; CHECK: Alias sets for function 'test_readonly_arg'
; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 1 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Pointers: (i8* %s, 1)
; CHECK-NEXT: 1 Unknown instructions: call void @my_memcpy(i8* %d, i8* %s, i64 1)
define i8 @test_readonly_arg(i8* noalias %s, i8* noalias %d) {
entry:
call void @my_memcpy(i8* %d, i8* %s, i64 1)
%ret = load i8, i8* %s
ret i8 %ret
}
; CHECK: Alias sets for function 'test_noalias_argmemonly':
; CHECK-NEXT: Alias Set Tracker: 2 alias sets for 1 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %a, 1)
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
; CHECK-NEXT: Unknown instructions: call void @my_memmove(i8* %d, i8* %s, i64 1)
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %b, 1)
define void @test3(i8* noalias %a, i8* noalias %b, i8* %s, i8* %d) {
define void @test_noalias_argmemonly(i8* noalias %a, i8* %s, i8* %d) {
entry:
store i8 1, i8* %a, align 1
call void @my_memmove(i8* %d, i8* %s, i64 1)
store i8 1, i8* %b, align 1
ret void
}
@ -46,11 +51,11 @@ entry:
ret void
}
; CHECK: Alias sets for function 'test6':
; CHECK: Alias sets for function 'test_argcollapse':
; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 2 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, 1), (i8* %b, 1)
; CHECK-NEXT: 1 Unknown instructions: call void @my_memmove(i8* %b, i8* %a, i64 1)
define void @test6(i8* noalias %a, i8* noalias %b) {
define void @test_argcollapse(i8* noalias %a, i8* noalias %b) {
entry:
store i8 1, i8* %a, align 1
call void @my_memmove(i8* %b, i8* %a, i64 1)
@ -58,17 +63,15 @@ entry:
ret void
}
; CHECK: Alias sets for function 'test7':
; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 2 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Pointers: (i8* %a, 1), (i8* %b, 1)
; CHECK: Alias sets for function 'test_memcpy1':
; CHECK-NEXT: Alias Set Tracker: 1 alias sets for 0 pointer values.
; CHECK-NEXT: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Mod/Ref
; CHECK-NEXT: 2 Unknown instructions: call void @my_memcpy(i8* %b, i8* %a, i64 1), call void @my_memcpy(i8* %a, i8* %b, i64 1)
define void @test7(i8* noalias %a, i8* noalias %b) {
define void @test_memcpy1(i8* noalias %a, i8* noalias %b) {
entry:
store i8 1, i8* %a, align 1
call void @my_memcpy(i8* %b, i8* %a, i64 1)
call void @my_memcpy(i8* %a, i8* %b, i64 1)
store i8 1, i8* %b, align 1
ret void
}