Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll

@@ -1,65 +0,0 @@
-; RUN: opt -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
-
-; Analyze this loop:
-;   for (i = 0; i < n; i++)
-;    A[i + 1] = A[i] * B[i] * C[i];
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.10.0"
-
-; CHECK: Report: unsafe dependent memory operations in loop
-; CHECK-NEXT: Dependences:
-; CHECK-NEXT:   Backward:
-; CHECK-NEXT:     %loadA = load i16, i16* %arrayidxA, align 2 ->
-; CHECK-NEXT:     store i16 %mul1, i16* %arrayidxA_plus_2, align 2
-; CHECK: Run-time memory checks:
-; CHECK-NEXT: 0:
-; CHECK-NEXT: Comparing group
-; CHECK-NEXT:   %arrayidxA = getelementptr inbounds i16, i16* %a, i64 %storemerge3
-; CHECK-NEXT:   %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add
-; CHECK-NEXT: Against group
-; CHECK-NEXT:   %arrayidxB = getelementptr inbounds i16, i16* %b, i64 %storemerge3
-; CHECK-NEXT: 1:
-; CHECK-NEXT: Comparing group
-; CHECK-NEXT:   %arrayidxA = getelementptr inbounds i16, i16* %a, i64 %storemerge3
-; CHECK-NEXT:   %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add
-; CHECK-NEXT: Against group
-; CHECK-NEXT:   %arrayidxC = getelementptr inbounds i16, i16* %c, i64 %storemerge3
-
-@B = common global i16* null, align 8
-@A = common global i16* null, align 8
-@C = common global i16* null, align 8
-
-define void @f() {
-entry:
-  %a = load i16*, i16** @A, align 8
-  %b = load i16*, i16** @B, align 8
-  %c = load i16*, i16** @C, align 8
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %storemerge3 = phi i64 [ 0, %entry ], [ %add, %for.body ]
-
-  %arrayidxA = getelementptr inbounds i16, i16* %a, i64 %storemerge3
-  %loadA = load i16, i16* %arrayidxA, align 2
-
-  %arrayidxB = getelementptr inbounds i16, i16* %b, i64 %storemerge3
-  %loadB = load i16, i16* %arrayidxB, align 2
-
-  %arrayidxC = getelementptr inbounds i16, i16* %c, i64 %storemerge3
-  %loadC = load i16, i16* %arrayidxC, align 2
-
-  %mul = mul i16 %loadB, %loadA
-  %mul1 = mul i16 %mul, %loadC
-
-  %add = add nuw nsw i64 %storemerge3, 1
-  %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add
-  store i16 %mul1, i16* %arrayidxA_plus_2, align 2
-
-  %exitcond = icmp eq i64 %add, 20
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:                                          ; preds = %for.body
-  ret void
-}