35 lines
901 B
LLVM
35 lines
901 B
LLVM
|
; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info 2>&1 | FileCheck %s
|
||
|
|
|
||
|
|
declare ptr @captures(ptr %cap) nounwind readonly
|
||
|
|
|
||
|
|
; CHECK-LABEL: no
|
||
|
|
; CHECK: NoAlias: i32* %a, i32* %b
|
||
|
|
define void @no(ptr noalias %a, ptr %b) nounwind {
|
||
|
|
entry:
|
||
|
|
store i32 1, ptr %a
|
||
|
|
%cap = call ptr @captures(ptr %a) nounwind readonly
|
||
|
|
%l = load i32, ptr %b
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; CHECK-LABEL: yes
|
||
|
|
; CHECK: MayAlias: i32* %c, i32* %d
|
||
|
|
define void @yes(ptr %c, ptr %d) nounwind {
|
||
|
|
entry:
|
||
|
|
store i32 1, ptr %c
|
||
|
|
%cap = call ptr @captures(ptr %c) nounwind readonly
|
||
|
|
%l = load i32, ptr %d
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; Result should be the same for byval instead of noalias.
|
||
|
|
; CHECK-LABEL: byval
|
||
|
|
; CHECK: NoAlias: i32* %a, i32* %b
|
||
|
|
define void @byval(ptr byval(i32) %a, ptr %b) nounwind {
|
||
|
|
entry:
|
||
|
|
store i32 1, ptr %a
|
||
|
|
%cap = call ptr @captures(ptr %a) nounwind readonly
|
||
|
|
%l = load i32, ptr %b
|
||
|
|
ret void
|
||
|
|
}
|