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| ; RUN: opt -basicaa -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)
|