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-rw-r--r--llvm/test/Transforms/LoopInterchange/currentLimitation.ll97
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diff --git a/llvm/test/Transforms/LoopInterchange/currentLimitation.ll b/llvm/test/Transforms/LoopInterchange/currentLimitation.ll
deleted file mode 100644
index 1a9d42dbb9a..00000000000
--- a/llvm/test/Transforms/LoopInterchange/currentLimitation.ll
+++ /dev/null
@@ -1,97 +0,0 @@
-; RUN: opt < %s -basicaa -loop-interchange -pass-remarks-missed='loop-interchange' \
-; RUN: -pass-remarks-output=%t -verify-loop-info -verify-dom-info -S | FileCheck -check-prefix=IR %s
-; RUN: FileCheck --input-file=%t %s
-
-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 [100 x [100 x i32]]] zeroinitializer
-@C = common global [100 x [100 x i64]] zeroinitializer
-
-;;--------------------------------------Test case 01------------------------------------
-;; [FIXME] This loop though valid is currently not interchanged due to the limitation that we cannot split the inner loop latch due to multiple use of inner induction
-;; variable.(used to increment the loop counter and to access A[j+1][i+1]
-;; for(int i=0;i<N-1;i++)
-;; for(int j=1;j<N-1;j++)
-;; A[j+1][i+1] = A[j+1][i+1] + k;
-
-; FIXME: Currently fails because of DA changes.
-; IR-LABEL: @interchange_01
-; IR-NOT: split
-
-; CHECK: Name: Dependence
-; CHECK-NEXT: Function: interchange_01
-
-define void @interchange_01(i32 %k, i32 %N) {
- entry:
- %sub = add nsw i32 %N, -1
- %cmp26 = icmp sgt i32 %N, 1
- br i1 %cmp26, label %for.cond1.preheader.lr.ph, label %for.end17
-
- for.cond1.preheader.lr.ph:
- %cmp324 = icmp sgt i32 %sub, 1
- %0 = add i32 %N, -2
- %1 = sext i32 %sub to i64
- br label %for.cond1.preheader
-
- for.cond.loopexit:
- %cmp = icmp slt i64 %indvars.iv.next29, %1
- br i1 %cmp, label %for.cond1.preheader, label %for.end17
-
- for.cond1.preheader:
- %indvars.iv28 = phi i64 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next29, %for.cond.loopexit ]
- %indvars.iv.next29 = add nuw nsw i64 %indvars.iv28, 1
- br i1 %cmp324, label %for.body4, label %for.cond.loopexit
-
- for.body4:
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.body4 ], [ 1, %for.cond1.preheader ]
- %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
- %arrayidx7 = getelementptr inbounds [100 x [100 x i32]], [100 x [100 x i32]]* @A, i64 0, i64 %indvars.iv.next, i64 %indvars.iv.next29
- %2 = load i32, i32* %arrayidx7
- %add8 = add nsw i32 %2, %k
- store i32 %add8, i32* %arrayidx7
- %lftr.wideiv = trunc i64 %indvars.iv to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %0
- br i1 %exitcond, label %for.cond.loopexit, label %for.body4
-
- for.end17:
- ret void
-}
-
-; When currently cannot interchange this loop, because transform currently
-; expects the latches to be the exiting blocks too.
-
-; IR-LABEL: @interchange_02
-; IR-NOT: split
-;
-; CHECK: Name: ExitingNotLatch
-; CHECK-NEXT: Function: interchange_02
-define void @interchange_02(i64 %k, i64 %N) {
-entry:
- br label %for1.header
-
-for1.header:
- %j23 = phi i64 [ 0, %entry ], [ %j.next24, %for1.inc10 ]
- br label %for2
-
-for2:
- %j = phi i64 [ %j.next, %latch ], [ 0, %for1.header ]
- %arrayidx5 = getelementptr inbounds [100 x [100 x i64]], [100 x [100 x i64]]* @C, i64 0, i64 %j, i64 %j23
- %lv = load i64, i64* %arrayidx5
- %add = add nsw i64 %lv, %k
- store i64 %add, i64* %arrayidx5
- %exitcond = icmp eq i64 %j, 99
- br i1 %exitcond, label %for1.inc10, label %latch
-latch:
- %j.next = add nuw nsw i64 %j, 1
- br label %for2
-
-for1.inc10:
- %j.next24 = add nuw nsw i64 %j23, 1
- %exitcond26 = icmp eq i64 %j23, 99
- br i1 %exitcond26, label %for.end12, label %for1.header
-
-for.end12:
- ret void
-}
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