Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/BasicAA/gep-and-alias.ll

@@ -1,43 +0,0 @@
-; RUN: opt -S -basicaa -gvn < %s | FileCheck %s
-
-target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
-target triple = "i386-apple-macosx10.6.0"
-
-; The load and store address in the loop body could alias so the load
-; can't be hoisted above the store and out of the loop.
-
-declare void @llvm.memset.p0i8.i32(i8* nocapture writeonly, i8, i32, i32, i1)
-
-define i32 @foo(i32 %x, i32 %z, i32 %n) {
-entry:
-  %pool = alloca [59 x i32], align 4
-  %tmp = bitcast [59 x i32]* %pool to i8*
-  call void @llvm.memset.p0i8.i32(i8* nonnull %tmp, i8 0, i32 236, i32 4, i1 false)
-  %cmp3 = icmp eq i32 %n, 0
-  br i1 %cmp3, label %for.end, label %for.body.lr.ph
-
-for.body.lr.ph:                                   ; preds = %entry
-  %add = add i32 %z, %x
-  %and = and i32 %add, 2147483647
-  %sub = add nsw i32 %and, -2137521902
-  %arrayidx = getelementptr inbounds [59 x i32], [59 x i32]* %pool, i32 0, i32 %sub
-  %arrayidx1 = getelementptr inbounds [59 x i32], [59 x i32]* %pool, i32 0, i32 42
-  br label %for.body
-
-for.body:                                         ; preds = %for.body.lr.ph, %for.body
-  %i.04 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
-  store i32 %i.04, i32* %arrayidx, align 4
-  %tmp1 = load i32, i32* %arrayidx1, align 4
-  %inc = add nuw i32 %i.04, 1
-  %exitcond = icmp ne i32 %inc, %n
-  br i1 %exitcond, label %for.body, label %for.end.loopexit
-
-for.end.loopexit:                                 ; preds = %for.body
-  %lcssa = phi i32 [ %tmp1, %for.body ]
-  br label %for.end
-
-for.end:                                          ; preds = %for.end.loopexit, %entry
-  %s = phi i32 [ 0, %entry ], [ %lcssa, %for.end.loopexit ]
-; CHECK: ret i32 %s
-  ret i32 %s
-}