d98d505c0d
This is the third patch in a series intended to make https://reviews.llvm.org/D44748 more easily reviewable. Please see that patch for more context. The second being r344013. The intent is to make the output of printing a LocationSize more precise. The main motivation for this is that we plan to add a bit to distinguish whether a given LocationSize is an upper-bound or is precise; making that information available in pretty-printing is nice. llvm-svn: 344108
49 lines
2.0 KiB
LLVM
49 lines
2.0 KiB
LLVM
; RUN: opt -basicaa -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: 1 alias sets for 1 pointer values.
|
|
; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, LocationSize::precise(1))
|
|
define void @test_known_size(i8* noalias %d) {
|
|
entry:
|
|
call void @llvm.memset.p0i8.i64(i8* align 1 %d, i8 0, i64 1, i1 false)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Alias sets for function 'test_unknown_size':
|
|
; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
|
|
; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, unknown)
|
|
define void @test_unknown_size(i8* noalias %d, i64 %len) {
|
|
entry:
|
|
call void @llvm.memset.p0i8.i64(i8* align 1 %d, i8 0, i64 %len, i1 false)
|
|
ret void
|
|
}
|
|
|
|
|
|
; CHECK: Alias sets for function 'test_atomic_known_size':
|
|
; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
|
|
; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, LocationSize::precise(1))
|
|
define void @test_atomic_known_size(i8* noalias %d) {
|
|
entry:
|
|
call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %d, i8 0, i64 1, i32 1)
|
|
ret void
|
|
}
|
|
|
|
; CHECK: Alias sets for function 'test_atomic_unknown_size':
|
|
; CHECK: Alias Set Tracker: 1 alias sets for 1 pointer values.
|
|
; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Pointers: (i8* %d, unknown)
|
|
define void @test_atomic_unknown_size(i8* noalias %d, i64 %len) {
|
|
entry:
|
|
call void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* align 1 %d, i8 0, i64 %len, i32 1)
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memset.p0i8.i64(i8* %dest, i8 %val,
|
|
i64 %len, i1 %isvolatile)
|
|
declare void @llvm.memset.element.unordered.atomic.p0i8.i32(i8* %dest,
|
|
i8 %value,
|
|
i64 %len,
|
|
i32 %element_size)
|