forked from OSchip/llvm-project
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; RUN: opt -S -basic-aa -aa-eval -print-all-alias-modref-info -disable-output < %s 2>&1 | FileCheck %s
|
|
|
|
; CHECK-LABEL: Function: test
|
|
;; Before limit:
|
|
; CHECK-DAG: MustAlias: i8* %gep.add5, i8* %gep.inc5
|
|
; CHECK-DAG: NoAlias: i8* %gep.inc3, i8* %gep.inc5
|
|
; CHECK-DAG: NoAlias: i8* %gep.inc4, i8* %gep.inc5
|
|
;; At limit:
|
|
; CHECK-DAG: MustAlias: i8* %gep.add6, i8* %gep.inc6
|
|
; CHECK-DAG: NoAlias: i8* %gep.inc4, i8* %gep.inc6
|
|
; CHECK-DAG: NoAlias: i8* %gep.inc5, i8* %gep.inc6
|
|
;; After limit:
|
|
; CHECK-DAG: MayAlias: i8* %gep.add7, i8* %gep.inc7
|
|
; CHECK-DAG: MayAlias: i8* %gep.inc5, i8* %gep.inc7
|
|
; CHECK-DAG: NoAlias: i8* %gep.inc6, i8* %gep.inc7
|
|
|
|
define void @test(i8* %base) {
|
|
%gep.add5 = getelementptr i8, i8* %base, i64 5
|
|
%gep.add6 = getelementptr i8, i8* %base, i64 6
|
|
%gep.add7 = getelementptr i8, i8* %base, i64 7
|
|
|
|
%gep.inc1 = getelementptr i8, i8* %base, i64 1
|
|
%gep.inc2 = getelementptr i8, i8* %gep.inc1, i64 1
|
|
%gep.inc3 = getelementptr i8, i8* %gep.inc2, i64 1
|
|
%gep.inc4 = getelementptr i8, i8* %gep.inc3, i64 1
|
|
%gep.inc5 = getelementptr i8, i8* %gep.inc4, i64 1
|
|
%gep.inc6 = getelementptr i8, i8* %gep.inc5, i64 1
|
|
%gep.inc7 = getelementptr i8, i8* %gep.inc6, i64 1
|
|
|
|
ret void
|
|
}
|