mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
7a90a95ac2
Following https://reviews.llvm.org/D82607. Reviewed By: ychen Differential Revision: https://reviews.llvm.org/D82683
30 lines
1.2 KiB
LLVM
30 lines
1.2 KiB
LLVM
; RUN: opt -basic-aa -aa-eval -print-no-aliases -disable-output %s 2>&1 | FileCheck %s
|
|
|
|
%struct = type <{ [20 x i64] }>
|
|
|
|
; CHECK-LABEL: Function: test_noalias: 4 pointers, 1 call sites
|
|
; CHECK-NEXT: NoAlias: %struct* %ptr1, i64* %ptr2
|
|
; CHECK-NEXT: NoAlias: %struct* %addr.ptr, i64* %ptr2
|
|
; CHECK-NEXT: NoAlias: i64* %gep, i64* %ptr2
|
|
define void @test_noalias(%struct* noalias %ptr1, i64* %ptr2, i64 %offset) {
|
|
entry:
|
|
%addr.ptr = call %struct* @llvm.ptrmask.p0s_struct.p0s.struct.i64(%struct* %ptr1, i64 72057594037927928)
|
|
store i64 10, i64* %ptr2
|
|
%gep = getelementptr inbounds %struct, %struct* %addr.ptr, i64 0, i32 0, i64 %offset
|
|
store i64 1, i64* %gep, align 8
|
|
ret void
|
|
}
|
|
|
|
; CHECK-NEXT: Function: test_alias: 4 pointers, 1 call sites
|
|
; CHECK-NOT: NoAlias
|
|
define void @test_alias(%struct* %ptr1, i64* %ptr2, i64 %offset) {
|
|
entry:
|
|
%addr.ptr = call %struct* @llvm.ptrmask.p0s_struct.p0s.struct.i64(%struct* %ptr1, i64 72057594037927928)
|
|
store i64 10, i64* %ptr2
|
|
%gep = getelementptr inbounds %struct, %struct* %addr.ptr, i64 0, i32 0, i64 %offset
|
|
store i64 1, i64* %gep, align 8
|
|
ret void
|
|
}
|
|
|
|
declare %struct* @llvm.ptrmask.p0s_struct.p0s.struct.i64(%struct*, i64)
|