Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/Lint/noalias-byval.ll

@@ -1,48 +0,0 @@
-; RUN: opt < %s -lint -disable-output 2>&1 | FileCheck %s
-
-%s = type { i8 }
-
-; Function Attrs: argmemonly nounwind
-declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture writeonly, i8* nocapture readonly, i32, i32, i1) #0
-
-; Function Attrs: argmemonly nounwind
-declare void @llvm.memset.p0i8.i8.i32(i8* nocapture writeonly, i8, i32, i32, i1) #0
-
-declare void @f1(%s* noalias nocapture sret, %s* nocapture readnone)
-
-define void @f2() {
-entry:
-  %c = alloca %s
-  %tmp = alloca %s
-  %0 = bitcast %s* %c to i8*
-  %1 = bitcast %s* %tmp to i8*
-  call void @llvm.memset.p0i8.i8.i32(i8* %0, i8 0, i32 1, i32 1, i1 false)
-  call void @f1(%s* sret %c, %s* %c)
-  ret void
-}
-
-; Lint should complain about us passing %c to both arguments since one of them
-; is noalias.
-; CHECK: Unusual: noalias argument aliases another argument
-; CHECK-NEXT: call void @f1(%s* sret %c, %s* %c)
-
-declare void @f3(%s* noalias nocapture sret, %s* byval nocapture readnone)
-
-define void @f4() {
-entry:
-  %c = alloca %s
-  %tmp = alloca %s
-  %0 = bitcast %s* %c to i8*
-  %1 = bitcast %s* %tmp to i8*
-  call void @llvm.memset.p0i8.i8.i32(i8* %0, i8 0, i32 1, i32 1, i1 false)
-  call void @f3(%s* sret %c, %s* byval %c)
-  ret void
-}
-
-; Lint should not complain about passing %c to both arguments even if one is
-; noalias, since the other one is byval, effectively copying the data to the
-; stack instead of passing the pointer itself.
-; CHECK-NOT: Unusual: noalias argument aliases another argument
-; CHECK-NOT: call void @f3(%s* sret %c, %s* %c)
-
-attributes #0 = { argmemonly nounwind }