c068284087
If an argument is readnone we know that it isn't dereferenced. Then it should be OK if that argument alias with a noalias argument. Differential Revision: https://reviews.llvm.org/D157737
15 lines
447 B
LLVM
15 lines
447 B
LLVM
; RUN: opt < %s -passes=lint -disable-output 2>&1 | FileCheck --allow-empty %s
|
|
|
|
declare void @foo1(ptr noalias, ptr readnone)
|
|
|
|
define void @test1(ptr %a) {
|
|
entry:
|
|
call void @foo1(ptr %a, ptr %a)
|
|
ret void
|
|
}
|
|
|
|
; Lint should not complain about passing %a to both arguments even if one is
|
|
; noalias, since the second argument is readnone.
|
|
; CHECK-NOT: Unusual: noalias argument aliases another argument
|
|
; CHECK-NOT: call void @foo1(ptr %a, ptr %a)
|