Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Transforms/LoopInterchange/not-interchanged-dependencies-1.ll

@@ -1,64 +0,0 @@
-; RUN: opt < %s -basicaa -loop-interchange -S | FileCheck %s
-;; We test the complete .ll for adjustment in outer loop header/latch and inner loop header/latch.
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-@A = common global [100 x [100 x i32]] zeroinitializer
-@B = common global [100 x i32] zeroinitializer
-
-;; Loops should not be interchanged in this case as it is not legal due to dependency.
-;;  for(int j=0;j<99;j++)
-;;   for(int i=0;i<99;i++)
-;;       A[j][i+1] = A[j+1][i]+k;
-
-define void @interchange_04(i32 %k){
-entry:
-  br label %for.cond1.preheader
-
-for.cond1.preheader:
-  %indvars.iv23 = phi i64 [ 0, %entry ], [ %indvars.iv.next24, %for.inc12 ]
-  %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
-  br label %for.body3
-
-for.body3:
-  %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
-  %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next24, i64 %indvars.iv
-  %0 = load i32, i32* %arrayidx5
-  %add6 = add nsw i32 %0, %k
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv23, i64 %indvars.iv.next
-  store i32 %add6, i32* %arrayidx11
-  %exitcond = icmp eq i64 %indvars.iv.next, 99
-  br i1 %exitcond, label %for.inc12, label %for.body3
-
-for.inc12:
-  %exitcond25 = icmp eq i64 %indvars.iv.next24, 99
-  br i1 %exitcond25, label %for.end14, label %for.cond1.preheader
-
-for.end14:
-  ret void
-}
-
-; CHECK-LABEL: @interchange_04
-; CHECK: entry:
-; CHECK:   br label %for.cond1.preheader
-; CHECK: for.cond1.preheader:                              ; preds = %for.inc12, %entry
-; CHECK:   %indvars.iv23 = phi i64 [ 0, %entry ], [ %indvars.iv.next24, %for.inc12 ]
-; CHECK:   %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
-; CHECK:   br label %for.body3
-; CHECK: for.body3:                                        ; preds = %for.body3, %for.cond1.preheader
-; CHECK:   %indvars.iv = phi i64 [ 0, %for.cond1.preheader ], [ %indvars.iv.next, %for.body3 ]
-; CHECK:   %arrayidx5 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next24, i64 %indvars.iv
-; CHECK:   %0 = load i32, i32* %arrayidx5
-; CHECK:   %add6 = add nsw i32 %0, %k
-; CHECK:   %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-; CHECK:   %arrayidx11 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv23, i64 %indvars.iv.next
-; CHECK:   store i32 %add6, i32* %arrayidx11
-; CHECK:   %exitcond = icmp eq i64 %indvars.iv.next, 99
-; CHECK:   br i1 %exitcond, label %for.inc12, label %for.body3
-; CHECK: for.inc12:                                        ; preds = %for.body3
-; CHECK:   %exitcond25 = icmp eq i64 %indvars.iv.next24, 99
-; CHECK:   br i1 %exitcond25, label %for.end14, label %for.cond1.preheader
-; CHECK: for.end14:                                        ; preds = %for.inc12
-; CHECK:   ret void