1 files changed, 0 insertions, 120 deletions
diff --git a/llvm/test/Transforms/LoopFusion/loop_nest.ll b/llvm/test/Transforms/LoopFusion/loop_nest.ll
deleted file mode 100644
index d6cf21450d4..00000000000
--- a/llvm/test/Transforms/LoopFusion/loop_nest.ll
+++ /dev/null
@@ -1,120 +0,0 @@
-; RUN: opt -S -loop-fusion < %s | FileCheck %s
-;
-;    int A[1024][1024];
-;    int B[1024][1024];
-;
-;    #define EXPENSIVE_PURE_COMPUTATION(i) ((i - 3) * (i + 3) % i)
-;
-;    void dep_free() {
-;
-;      for (int i = 0; i < 100; i++)
-;        for (int j = 0; j < 100; j++)
-;          A[i][j] = EXPENSIVE_PURE_COMPUTATION(i);
-;
-;      for (int i = 0; i < 100; i++)
-;        for (int j = 0; j < 100; j++)
-;          B[i][j] = EXPENSIVE_PURE_COMPUTATION(i);
-;    }
-;
-@A = common global [1024 x [1024 x i32]] zeroinitializer, align 16
-@B = common global [1024 x [1024 x i32]] zeroinitializer, align 16
-
-; CHECK: void @dep_free
-; CHECK-NEXT: bb:
-; CHECK-NEXT: br label %[[LOOP1HEADER:bb[0-9]+]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %exitcond12, label %[[LOOP3PREHEADER:bb[0-9]+.preheader]], label %[[LOOP2HEADER:bb[0-9]+]]
-; CHECK: [[LOOP3PREHEADER]]
-; CHECK: br label %[[LOOP3HEADER:bb[0-9]+]]
-; CHECK: [[LOOP3HEADER]]
-; CHECK: br i1 %exitcond9, label %[[LOOP3BODY:bb[0-9]+]], label %[[LOOP1LATCH:bb[0-9]+]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2HEADER:bb[0-9]+]]
-; CHECK: [[LOOP2HEADER]]
-; CHECK: br i1 %exitcond6, label %[[LOOP4PREHEADER:bb[0-9]+.preheader]], label %[[LOOP2EXITBLOCK:bb[0-9]+]]
-; CHECK: [[LOOP4PREHEADER]]
-; CHECK: br label %[[LOOP4HEADER:bb[0-9]+]]
-; CHECK: [[LOOP2EXITBLOCK]]
-; CHECK-NEXT: br label %[[FUNCEXIT:bb[0-9]+]]
-; CHECK: [[LOOP4HEADER]]
-; CHECK: br i1 %exitcond, label %[[LOOP4BODY:bb[0-9]+]], label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER:bb[0-9]+]]
-; CHECK: [[FUNCEXIT]]
-; CHECK: ret void
-
-; TODO: The current version of loop fusion does not allow the inner loops to be
-; fused because they are not control flow equivalent and adjacent. These are
-; limitations that can be addressed in future improvements to fusion.
-define void @dep_free() {
-bb:
-  br label %bb13
-
-bb13:                                             ; preds = %bb27, %bb
-  %indvars.iv10 = phi i64 [ %indvars.iv.next11, %bb27 ], [ 0, %bb ]
-  %.0 = phi i32 [ 0, %bb ], [ %tmp28, %bb27 ]
-  %exitcond12 = icmp ne i64 %indvars.iv10, 100
-  br i1 %exitcond12, label %bb16, label %bb30
-
-bb16:                                             ; preds = %bb25, %bb13
-  %indvars.iv7 = phi i64 [ %indvars.iv.next8, %bb25 ], [ 0, %bb13 ]
-  %exitcond9 = icmp ne i64 %indvars.iv7, 100
-  br i1 %exitcond9, label %bb18, label %bb27
-
-bb18:                                             ; preds = %bb16
-  %tmp = add nsw i32 %.0, -3
-  %tmp19 = add nuw nsw i64 %indvars.iv10, 3
-  %tmp20 = trunc i64 %tmp19 to i32
-  %tmp21 = mul nsw i32 %tmp, %tmp20
-  %tmp22 = trunc i64 %indvars.iv10 to i32
-  %tmp23 = srem i32 %tmp21, %tmp22
-  %tmp24 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @A, i64 0, i64 %indvars.iv10, i64 %indvars.iv7
-  store i32 %tmp23, i32* %tmp24, align 4
-  br label %bb25
-
-bb25:                                             ; preds = %bb18
-  %indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
-  br label %bb16
-
-bb27:                                             ; preds = %bb16
-  %indvars.iv.next11 = add nuw nsw i64 %indvars.iv10, 1
-  %tmp28 = add nuw nsw i32 %.0, 1
-  br label %bb13
-
-bb30:                                             ; preds = %bb45, %bb13
-  %indvars.iv4 = phi i64 [ %indvars.iv.next5, %bb45 ], [ 0, %bb13 ]
-  %.02 = phi i32 [ 0, %bb13 ], [ %tmp46, %bb45 ]
-  %exitcond6 = icmp ne i64 %indvars.iv4, 100
-  br i1 %exitcond6, label %bb33, label %bb31
-
-bb31:                                             ; preds = %bb30
-  br label %bb47
-
-bb33:                                             ; preds = %bb43, %bb30
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb43 ], [ 0, %bb30 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb35, label %bb45
-
-bb35:                                             ; preds = %bb33
-  %tmp36 = add nsw i32 %.02, -3
-  %tmp37 = add nuw nsw i64 %indvars.iv4, 3
-  %tmp38 = trunc i64 %tmp37 to i32
-  %tmp39 = mul nsw i32 %tmp36, %tmp38
-  %tmp40 = trunc i64 %indvars.iv4 to i32
-  %tmp41 = srem i32 %tmp39, %tmp40
-  %tmp42 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @B, i64 0, i64 %indvars.iv4, i64 %indvars.iv
-  store i32 %tmp41, i32* %tmp42, align 4
-  br label %bb43
-
-bb43:                                             ; preds = %bb35
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb33
-
-bb45:                                             ; preds = %bb33
-  %indvars.iv.next5 = add nuw nsw i64 %indvars.iv4, 1
-  %tmp46 = add nuw nsw i32 %.02, 1
-  br label %bb30
-
-bb47:                                             ; preds = %bb31
-  ret void
-}