Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Analysis/DependenceAnalysis/BasePtrBug.ll

@@ -1,80 +0,0 @@
-; RUN: opt < %s -analyze -basicaa -da  | FileCheck %s
-
-; Test that the dependence analysis generates the correct results when using
-; an aliased object that points to a different element in the same array.
-; PR33567 - https://bugs.llvm.org/show_bug.cgi?id=33567
-
-; void test1(int *A, int *B, int N) {
-;   int *top = A;
-;   int *bot = A + N/2;
-;   for (int i = 0; i < N; i++)
-;     B[i] = top[i] + bot[i];
-; }
-
-; CHECK-LABEL: test1
-; CHECK: da analyze - input [*|<]!
-
-define void @test1(i32* nocapture %A, i32* nocapture %B, i32 %N) #0 {
-entry:
-  %cmp9 = icmp sgt i32 %N, 0
-  br i1 %cmp9, label %for.body.lr.ph, label %for.end
-
-for.body.lr.ph:
-  %div = sdiv i32 %N, 2
-  %bot.gep = getelementptr i32, i32* %A, i32 %div
-  br label %for.body
-
-for.body:
-  %i = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
-  %gep.0 = getelementptr i32, i32* %A, i32 %i
-  %gep.1 = getelementptr i32, i32* %bot.gep, i32 %i
-  %gep.B = getelementptr i32, i32* %B, i32 %i
-  %0 = load i32, i32* %gep.0, align 4
-  %1 = load i32, i32* %gep.1, align 4
-  %add = add nsw i32 %1, %0
-  store i32 %add, i32* %gep.B, align 4
-  %inc = add nsw i32 %i, 1
-  %exitcond = icmp eq i32 %inc, %N
-  br i1 %exitcond, label %for.end, label %for.body
-
-for.end:
-  ret void
-}
-
-
-; void test2(int *A, unsigned n) {
-;   int *B = A + 1;
-;   for (unsigned i = 0; i < n; ++i) {
-;     A[i] = B[i];
-;   }
-; }
-
-; CHECK-LABEL: test2
-; CHECK: da analyze - consistent anti [1]!
-
-define void @test2(i32*, i32) #3 {
-  %3 = getelementptr inbounds i32, i32* %0, i64 1
-  br label %4
-
-; <label>:4:
-  %.0 = phi i32 [ 0, %2 ], [ %14, %13 ]
-  %5 = sub i32 %1, 1
-  %6 = icmp ult i32 %.0, %5
-  br i1 %6, label %7, label %15
-
-; <label>:7:
-  %8 = zext i32 %.0 to i64
-  %9 = getelementptr inbounds i32, i32* %3, i64 %8
-  %10 = load i32, i32* %9, align 4
-  %11 = zext i32 %.0 to i64
-  %12 = getelementptr inbounds i32, i32* %0, i64 %11
-  store i32 %10, i32* %12, align 4
-  br label %13
-
-; <label>:13:
-  %14 = add i32 %.0, 1
-  br label %4
-
-; <label>:15:
-  ret void
-}