Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/LoopAccessAnalysis/underlying-objects-1.ll

@@ -1,48 +0,0 @@
-; RUN: opt -basicaa -loop-accesses -analyze < %s | FileCheck %s
-; RUN: opt -passes='require<scalar-evolution>,require<aa>,loop(print-access-info)' -disable-output  < %s 2>&1 | FileCheck %s
-
-; In:
-;
-;   store_ptr = A;
-;   load_ptr = &A[2];
-;   for (i = 0; i < n; i++)
-;    *store_ptr++ = *load_ptr++ *10;  // A[i] = A[i+2] * 10
-;
-; make sure, we look through the PHI to conclude that store_ptr and load_ptr
-; both have A as their underlying object.  The dependence is safe for
-; vectorization requiring no memchecks.
-;
-; Otherwise we would try to prove independence with a memcheck that is going
-; to always fail.
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.10.0"
-
-; CHECK: Memory dependences are safe{{$}}
-
-define void @f(i8* noalias %A, i64 %width) {
-for.body.preheader:
-  %A_ahead = getelementptr inbounds i8, i8* %A, i64 2
-  br label %for.body
-
-for.body:
-  %i = phi i64 [ %i.1, %for.body ], [ 0, %for.body.preheader ]
-  %load_ptr = phi i8* [ %load_ptr.1, %for.body ], [ %A_ahead, %for.body.preheader ]
-  %store_ptr = phi i8* [ %store_ptr.1, %for.body ], [ %A, %for.body.preheader ]
-
-  %loadA = load i8, i8* %load_ptr, align 1
-
-  %mul = mul i8 %loadA, 10
-
-  store i8 %mul, i8* %store_ptr, align 1
-
-  %load_ptr.1 = getelementptr inbounds i8, i8* %load_ptr, i64 1
-  %store_ptr.1 = getelementptr inbounds i8, i8* %store_ptr, i64 1
-  %i.1 = add nuw i64 %i, 1
-
-  %exitcond = icmp eq i64 %i.1, %width
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:
-  ret void
-}