5 files changed, 0 insertions, 1030 deletions
diff --git a/llvm/test/Transforms/LoopFusion/cannot_fuse.ll b/llvm/test/Transforms/LoopFusion/cannot_fuse.ll
deleted file mode 100644
index d742a5b03d5..00000000000
--- a/llvm/test/Transforms/LoopFusion/cannot_fuse.ll
+++ /dev/null
@@ -1,371 +0,0 @@
-; RUN: opt -S -loop-fusion -debug-only=loop-fusion -disable-output < %s 2>&1 | FileCheck %s
-; REQUIRES: asserts
-
-@B = common global [1024 x i32] zeroinitializer, align 16
-
-; CHECK that the two candidates for fusion are placed into separate candidate
-; sets because they are not control flow equivalent.
-
-; CHECK: Performing Loop Fusion on function non_cfe
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK: bb
-; CHECK: ****************************
-; CHECK: *** Fusion Candidate Set ***
-; CHECK: bb20.preheader
-; CHECK: ****************************
-; CHECK: Loop Fusion complete
-define void @non_cfe(i32* noalias %arg) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb14, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb14 ], [ 0, %bb ]
-  %.01 = phi i32 [ 0, %bb ], [ %tmp15, %bb14 ]
-  %exitcond4 = icmp ne i64 %indvars.iv2, 100
-  br i1 %exitcond4, label %bb7, label %bb16
-
-bb7:                                              ; preds = %bb5
-  %tmp = add nsw i32 %.01, -3
-  %tmp8 = add nuw nsw i64 %indvars.iv2, 3
-  %tmp9 = trunc i64 %tmp8 to i32
-  %tmp10 = mul nsw i32 %tmp, %tmp9
-  %tmp11 = trunc i64 %indvars.iv2 to i32
-  %tmp12 = srem i32 %tmp10, %tmp11
-  %tmp13 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  store i32 %tmp12, i32* %tmp13, align 4
-  br label %bb14
-
-bb14:                                             ; preds = %bb7
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  %tmp15 = add nuw nsw i32 %.01, 1
-  br label %bb5
-
-bb16:                                             ; preds = %bb5
-  %tmp17 = load i32, i32* %arg, align 4
-  %tmp18 = icmp slt i32 %tmp17, 0
-  br i1 %tmp18, label %bb20, label %bb33
-
-bb20:                                             ; preds = %bb30, %bb16
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb30 ], [ 0, %bb16 ]
-  %.0 = phi i32 [ 0, %bb16 ], [ %tmp31, %bb30 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb22, label %bb33
-
-bb22:                                             ; preds = %bb20
-  %tmp23 = add nsw i32 %.0, -3
-  %tmp24 = add nuw nsw i64 %indvars.iv, 3
-  %tmp25 = trunc i64 %tmp24 to i32
-  %tmp26 = mul nsw i32 %tmp23, %tmp25
-  %tmp27 = trunc i64 %indvars.iv to i32
-  %tmp28 = srem i32 %tmp26, %tmp27
-  %tmp29 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp28, i32* %tmp29, align 4
-  br label %bb30
-
-bb30:                                             ; preds = %bb22
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %tmp31 = add nuw nsw i32 %.0, 1
-  br label %bb20
-
-bb33:                                             ; preds = %bb20, %bb16
-  ret void
-}
-
-; Check that fusion detects the two canddates are not adjacent (the exit block
-; of the first candidate is not the preheader of the second candidate).
-
-; CHECK: Performing Loop Fusion on function non_adjacent
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK-NEXT: [[LOOP1PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: [[LOOP2PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: ****************************
-; CHECK: Attempting fusion on Candidate Set:
-; CHECK-NEXT: [[LOOP1PREHEADER]]
-; CHECK-NEXT: [[LOOP2PREHEADER]]
-; CHECK: Fusion candidates are not adjacent. Not fusing.
-; CHECK: Loop Fusion complete
-define void @non_adjacent(i32* noalias %arg) {
-bb:
-  br label %bb3
-
-bb3:                                              ; preds = %bb11, %bb
-  %.01 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ]
-  %exitcond2 = icmp ne i64 %.01, 100
-  br i1 %exitcond2, label %bb5, label %bb4
-
-bb4:                                              ; preds = %bb3
-  br label %bb13
-
-bb5:                                              ; preds = %bb3
-  %tmp = add nsw i64 %.01, -3
-  %tmp6 = add nuw nsw i64 %.01, 3
-  %tmp7 = mul nsw i64 %tmp, %tmp6
-  %tmp8 = srem i64 %tmp7, %.01
-  %tmp9 = trunc i64 %tmp8 to i32
-  %tmp10 = getelementptr inbounds i32, i32* %arg, i64 %.01
-  store i32 %tmp9, i32* %tmp10, align 4
-  br label %bb11
-
-bb11:                                             ; preds = %bb5
-  %tmp12 = add nuw nsw i64 %.01, 1
-  br label %bb3
-
-bb13:                                             ; preds = %bb4
-  br label %bb14
-
-bb14:                                             ; preds = %bb23, %bb13
-  %.0 = phi i64 [ 0, %bb13 ], [ %tmp24, %bb23 ]
-  %exitcond = icmp ne i64 %.0, 100
-  br i1 %exitcond, label %bb16, label %bb15
-
-bb15:                                             ; preds = %bb14
-  br label %bb25
-
-bb16:                                             ; preds = %bb14
-  %tmp17 = add nsw i64 %.0, -3
-  %tmp18 = add nuw nsw i64 %.0, 3
-  %tmp19 = mul nsw i64 %tmp17, %tmp18
-  %tmp20 = srem i64 %tmp19, %.0
-  %tmp21 = trunc i64 %tmp20 to i32
-  %tmp22 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %.0
-  store i32 %tmp21, i32* %tmp22, align 4
-  br label %bb23
-
-bb23:                                             ; preds = %bb16
-  %tmp24 = add nuw nsw i64 %.0, 1
-  br label %bb14
-
-bb25:                                             ; preds = %bb15
-  ret void
-}
-
-; Check that the different bounds are detected and prevent fusion.
-
-; CHECK: Performing Loop Fusion on function different_bounds
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK-NEXT: [[LOOP1PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: [[LOOP2PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: ****************************
-; CHECK: Attempting fusion on Candidate Set:
-; CHECK-NEXT: [[LOOP1PREHEADER]]
-; CHECK-NEXT: [[LOOP2PREHEADER]]
-; CHECK: Fusion candidates do not have identical trip counts. Not fusing.
-; CHECK: Loop Fusion complete
-define void @different_bounds(i32* noalias %arg) {
-bb:
-  br label %bb3
-
-bb3:                                              ; preds = %bb11, %bb
-  %.01 = phi i64 [ 0, %bb ], [ %tmp12, %bb11 ]
-  %exitcond2 = icmp ne i64 %.01, 100
-  br i1 %exitcond2, label %bb5, label %bb4
-
-bb4:                                              ; preds = %bb3
-  br label %bb13
-
-bb5:                                              ; preds = %bb3
-  %tmp = add nsw i64 %.01, -3
-  %tmp6 = add nuw nsw i64 %.01, 3
-  %tmp7 = mul nsw i64 %tmp, %tmp6
-  %tmp8 = srem i64 %tmp7, %.01
-  %tmp9 = trunc i64 %tmp8 to i32
-  %tmp10 = getelementptr inbounds i32, i32* %arg, i64 %.01
-  store i32 %tmp9, i32* %tmp10, align 4
-  br label %bb11
-
-bb11:                                             ; preds = %bb5
-  %tmp12 = add nuw nsw i64 %.01, 1
-  br label %bb3
-
-bb13:                                             ; preds = %bb4
-  br label %bb14
-
-bb14:                                             ; preds = %bb23, %bb13
-  %.0 = phi i64 [ 0, %bb13 ], [ %tmp24, %bb23 ]
-  %exitcond = icmp ne i64 %.0, 200
-  br i1 %exitcond, label %bb16, label %bb15
-
-bb15:                                             ; preds = %bb14
-  br label %bb25
-
-bb16:                                             ; preds = %bb14
-  %tmp17 = add nsw i64 %.0, -3
-  %tmp18 = add nuw nsw i64 %.0, 3
-  %tmp19 = mul nsw i64 %tmp17, %tmp18
-  %tmp20 = srem i64 %tmp19, %.0
-  %tmp21 = trunc i64 %tmp20 to i32
-  %tmp22 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %.0
-  store i32 %tmp21, i32* %tmp22, align 4
-  br label %bb23
-
-bb23:                                             ; preds = %bb16
-  %tmp24 = add nuw nsw i64 %.0, 1
-  br label %bb14
-
-bb25:                                             ; preds = %bb15
-  ret void
-}
-
-; Check that the negative dependence between the two candidates is identified
-; and prevents fusion.
-
-; CHECK: Performing Loop Fusion on function negative_dependence
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK-NEXT: [[LOOP1PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: [[LOOP2PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: ****************************
-; CHECK: Attempting fusion on Candidate Set:
-; CHECK-NEXT: [[LOOP1PREHEADER]]
-; CHECK-NEXT: [[LOOP2PREHEADER]]
-; CHECK: Memory dependencies do not allow fusion!
-; CHECK: Loop Fusion complete
-define void @negative_dependence(i32* noalias %arg) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb9, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb9 ], [ 0, %bb ]
-  %exitcond4 = icmp ne i64 %indvars.iv2, 100
-  br i1 %exitcond4, label %bb7, label %bb11
-
-bb7:                                              ; preds = %bb5
-  %tmp = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  %tmp8 = trunc i64 %indvars.iv2 to i32
-  store i32 %tmp8, i32* %tmp, align 4
-  br label %bb9
-
-bb9:                                              ; preds = %bb7
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  br label %bb5
-
-bb11:                                             ; preds = %bb18, %bb5
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb18 ], [ 0, %bb5 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb13, label %bb19
-
-bb13:                                             ; preds = %bb11
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %tmp14 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv.next
-  %tmp15 = load i32, i32* %tmp14, align 4
-  %tmp16 = shl nsw i32 %tmp15, 1
-  %tmp17 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp16, i32* %tmp17, align 4
-  br label %bb18
-
-bb18:                                             ; preds = %bb13
-  br label %bb11
-
-bb19:                                             ; preds = %bb11
-  ret void
-}
-
-; Check for values defined in Loop 0 and used in Loop 1.
-; It is not safe to fuse in this case, because the second loop has
-; a use of %.01.lcssa which is defined in the body of loop 0. The
-; first loop must execute completely in order to compute the correct
-; value of %.01.lcssa to be used in the second loop.
-
-; CHECK: Performing Loop Fusion on function sumTest
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK-NEXT: [[LOOP1PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: [[LOOP2PREHEADER:bb[0-9]*]]
-; CHECK-NEXT: ****************************
-; CHECK: Attempting fusion on Candidate Set:
-; CHECK-NEXT: [[LOOP1PREHEADER]]
-; CHECK-NEXT: [[LOOP2PREHEADER]]
-; CHECK: Memory dependencies do not allow fusion!
-; CHECK: Loop Fusion complete
-define i32 @sumTest(i32* noalias %arg) {
-bb:
-  br label %bb6
-
-bb6:                                              ; preds = %bb9, %bb
-  %indvars.iv3 = phi i64 [ %indvars.iv.next4, %bb9 ], [ 0, %bb ]
-  %.01 = phi i32 [ 0, %bb ], [ %tmp11, %bb9 ]
-  %exitcond5 = icmp ne i64 %indvars.iv3, 100
-  br i1 %exitcond5, label %bb9, label %bb13
-
-bb9:                                              ; preds = %bb6
-  %tmp = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv3
-  %tmp10 = load i32, i32* %tmp, align 4
-  %tmp11 = add nsw i32 %.01, %tmp10
-  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
-  br label %bb6
-
-bb13:                                             ; preds = %bb20, %bb6
-  %.01.lcssa = phi i32 [ %.01, %bb6 ], [ %.01.lcssa, %bb20 ]
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb20 ], [ 0, %bb6 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb15, label %bb14
-
-bb14:                                             ; preds = %bb13
-  br label %bb21
-
-bb15:                                             ; preds = %bb13
-  %tmp16 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv
-  %tmp17 = load i32, i32* %tmp16, align 4
-  %tmp18 = sdiv i32 %tmp17, %.01.lcssa
-  %tmp19 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp18, i32* %tmp19, align 4
-  br label %bb20
-
-bb20:                                             ; preds = %bb15
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb13
-
-bb21:                                             ; preds = %bb14
-  ret i32 %.01.lcssa
-}
-
-; Similar to sumTest above. The first loop computes %add and must
-; complete before it is used in the second loop. Thus, these two loops
-; also cannot be fused.
-
-; CHECK: Performing Loop Fusion on function test
-; CHECK: Fusion Candidates:
-; CHECK: *** Fusion Candidate Set ***
-; CHECK-NEXT: [[LOOP1PREHEADER:for.body[0-9]*.preheader]]
-; CHECK-NEXT: [[LOOP2PREHEADER:for.body[0-9]*.preheader]]
-; CHECK-NEXT: ****************************
-; CHECK: Attempting fusion on Candidate Set:
-; CHECK-NEXT: [[LOOP1PREHEADER]]
-; CHECK-NEXT: [[LOOP2PREHEADER]]
-; CHECK: Memory dependencies do not allow fusion!
-; CHECK: Loop Fusion complete
-define float @test(float* nocapture %a, i32 %n) {
-entry:
-  %conv = zext i32 %n to i64
-  %cmp32 = icmp eq i32 %n, 0
-  br i1 %cmp32, label %for.cond.cleanup7, label %for.body
-
-for.body:                                         ; preds = %for.body, %entry
-  %i.034 = phi i64 [ %inc, %for.body ], [ 0, %entry ]
-  %sum1.033 = phi float [ %add, %for.body ], [ 0.000000e+00, %entry ]
-  %idxprom = trunc i64 %i.034 to i32
-  %arrayidx = getelementptr inbounds float, float* %a, i32 %idxprom
-  %0 = load float, float* %arrayidx, align 4
-  %add = fadd float %sum1.033, %0
-  %inc = add nuw nsw i64 %i.034, 1
-  %cmp = icmp ult i64 %inc, %conv
-  br i1 %cmp, label %for.body, label %for.body8
-
-for.body8:                                        ; preds = %for.body, %for.body8
-  %i2.031 = phi i64 [ %inc14, %for.body8 ], [ 0, %for.body ]
-  %idxprom9 = trunc i64 %i2.031 to i32
-  %arrayidx10 = getelementptr inbounds float, float* %a, i32 %idxprom9
-  %1 = load float, float* %arrayidx10, align 4
-  %div = fdiv float %1, %add
-  store float %div, float* %arrayidx10, align 4
-  %inc14 = add nuw nsw i64 %i2.031, 1
-  %cmp5 = icmp ult i64 %inc14, %conv
-  br i1 %cmp5, label %for.body8, label %for.cond.cleanup7
-
-for.cond.cleanup7:                                ; preds = %for.body8, %entry
-  %sum1.0.lcssa36 = phi float [ 0.000000e+00, %entry ], [ %add, %for.body8 ]
-  ret float %sum1.0.lcssa36
-}
diff --git a/llvm/test/Transforms/LoopFusion/four_loops.ll b/llvm/test/Transforms/LoopFusion/four_loops.ll
deleted file mode 100644
index e03de65846c..00000000000
--- a/llvm/test/Transforms/LoopFusion/four_loops.ll
+++ /dev/null
@@ -1,136 +0,0 @@
-; RUN: opt -S -loop-fusion < %s | FileCheck %s
-
-@A = common global [1024 x i32] zeroinitializer, align 16
-@B = common global [1024 x i32] zeroinitializer, align 16
-@C = common global [1024 x i32] zeroinitializer, align 16
-@D = common global [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 %[[LOOP1BODY:bb[0-9]+]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]+]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %exitcond9, label %[[LOOP2HEADER:bb[0-9]+]], label %[[LOOP3PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2HEADER]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP3PREHEADER]]
-; CHECK: [[LOOP3PREHEADER]]
-; CHECK: br i1 %exitcond6, label %[[LOOP3HEADER:bb[0-9]+]], label %[[LOOP4PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP3HEADER]]
-; CHECK: br label %[[LOOP3LATCH:bb[0-9]+]]
-; CHECK: [[LOOP3LATCH]]
-; CHECK: br label %[[LOOP4PREHEADER]]
-; CHECK: [[LOOP4PREHEADER]]
-; CHECK: br i1 %exitcond, label %[[LOOP4HEADER:bb[0-9]+]], label %[[LOOP4EXIT:bb[0-9]+]]
-; CHECK: [[LOOP4EXIT]]
-; CHECK: br label %[[FUNCEXIT:bb[0-9]+]]
-; CHECK: [[LOOP4HEADER]]
-; CHECK: br label %[[LOOP4LATCH:bb[0-9]+]]
-; CHECK: [[LOOP4LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: [[FUNCEXIT]]
-; CHECK: ret void
-define void @dep_free() {
-bb:
-  br label %bb13
-
-bb13:                                             ; preds = %bb22, %bb
-  %indvars.iv10 = phi i64 [ %indvars.iv.next11, %bb22 ], [ 0, %bb ]
-  %.0 = phi i32 [ 0, %bb ], [ %tmp23, %bb22 ]
-  %exitcond12 = icmp ne i64 %indvars.iv10, 100
-  br i1 %exitcond12, label %bb15, label %bb25
-
-bb15:                                             ; preds = %bb13
-  %tmp = add nsw i32 %.0, -3
-  %tmp16 = add nuw nsw i64 %indvars.iv10, 3
-  %tmp17 = trunc i64 %tmp16 to i32
-  %tmp18 = mul nsw i32 %tmp, %tmp17
-  %tmp19 = trunc i64 %indvars.iv10 to i32
-  %tmp20 = srem i32 %tmp18, %tmp19
-  %tmp21 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv10
-  store i32 %tmp20, i32* %tmp21, align 4
-  br label %bb22
-
-bb22:                                             ; preds = %bb15
-  %indvars.iv.next11 = add nuw nsw i64 %indvars.iv10, 1
-  %tmp23 = add nuw nsw i32 %.0, 1
-  br label %bb13
-
-bb25:                                             ; preds = %bb35, %bb13
-  %indvars.iv7 = phi i64 [ %indvars.iv.next8, %bb35 ], [ 0, %bb13 ]
-  %.01 = phi i32 [ 0, %bb13 ], [ %tmp36, %bb35 ]
-  %exitcond9 = icmp ne i64 %indvars.iv7, 100
-  br i1 %exitcond9, label %bb27, label %bb38
-
-bb27:                                             ; preds = %bb25
-  %tmp28 = add nsw i32 %.01, -3
-  %tmp29 = add nuw nsw i64 %indvars.iv7, 3
-  %tmp30 = trunc i64 %tmp29 to i32
-  %tmp31 = mul nsw i32 %tmp28, %tmp30
-  %tmp32 = trunc i64 %indvars.iv7 to i32
-  %tmp33 = srem i32 %tmp31, %tmp32
-  %tmp34 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv7
-  store i32 %tmp33, i32* %tmp34, align 4
-  br label %bb35
-
-bb35:                                             ; preds = %bb27
-  %indvars.iv.next8 = add nuw nsw i64 %indvars.iv7, 1
-  %tmp36 = add nuw nsw i32 %.01, 1
-  br label %bb25
-
-bb38:                                             ; preds = %bb48, %bb25
-  %indvars.iv4 = phi i64 [ %indvars.iv.next5, %bb48 ], [ 0, %bb25 ]
-  %.02 = phi i32 [ 0, %bb25 ], [ %tmp49, %bb48 ]
-  %exitcond6 = icmp ne i64 %indvars.iv4, 100
-  br i1 %exitcond6, label %bb40, label %bb51
-
-bb40:                                             ; preds = %bb38
-  %tmp41 = add nsw i32 %.02, -3
-  %tmp42 = add nuw nsw i64 %indvars.iv4, 3
-  %tmp43 = trunc i64 %tmp42 to i32
-  %tmp44 = mul nsw i32 %tmp41, %tmp43
-  %tmp45 = trunc i64 %indvars.iv4 to i32
-  %tmp46 = srem i32 %tmp44, %tmp45
-  %tmp47 = getelementptr inbounds [1024 x i32], [1024 x i32]* @C, i64 0, i64 %indvars.iv4
-  store i32 %tmp46, i32* %tmp47, align 4
-  br label %bb48
-
-bb48:                                             ; preds = %bb40
-  %indvars.iv.next5 = add nuw nsw i64 %indvars.iv4, 1
-  %tmp49 = add nuw nsw i32 %.02, 1
-  br label %bb38
-
-bb51:                                             ; preds = %bb61, %bb38
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb61 ], [ 0, %bb38 ]
-  %.03 = phi i32 [ 0, %bb38 ], [ %tmp62, %bb61 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb53, label %bb52
-
-bb52:                                             ; preds = %bb51
-  br label %bb63
-
-bb53:                                             ; preds = %bb51
-  %tmp54 = add nsw i32 %.03, -3
-  %tmp55 = add nuw nsw i64 %indvars.iv, 3
-  %tmp56 = trunc i64 %tmp55 to i32
-  %tmp57 = mul nsw i32 %tmp54, %tmp56
-  %tmp58 = trunc i64 %indvars.iv to i32
-  %tmp59 = srem i32 %tmp57, %tmp58
-  %tmp60 = getelementptr inbounds [1024 x i32], [1024 x i32]* @D, i64 0, i64 %indvars.iv
-  store i32 %tmp59, i32* %tmp60, align 4
-  br label %bb61
-
-bb61:                                             ; preds = %bb53
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %tmp62 = add nuw nsw i32 %.03, 1
-  br label %bb51
-
-bb63:                                             ; preds = %bb52
-  ret void
-}
diff --git a/llvm/test/Transforms/LoopFusion/inner_loops.ll b/llvm/test/Transforms/LoopFusion/inner_loops.ll
deleted file mode 100644
index 2b14ec98fac..00000000000
--- a/llvm/test/Transforms/LoopFusion/inner_loops.ll
+++ /dev/null
@@ -1,86 +0,0 @@
-; RUN: opt -S -loop-fusion < %s 2>&1 | FileCheck %s
-
-@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 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-
-define void @dep_free() {
-bb:
-  br label %bb9
-
-bb9:                                              ; preds = %bb35, %bb
-  %indvars.iv6 = phi i64 [ %indvars.iv.next7, %bb35 ], [ 0, %bb ]
-  %.0 = phi i32 [ 0, %bb ], [ %tmp36, %bb35 ]
-  %exitcond8 = icmp ne i64 %indvars.iv6, 100
-  br i1 %exitcond8, label %bb11, label %bb10
-
-bb10:                                             ; preds = %bb9
-  br label %bb37
-
-bb11:                                             ; preds = %bb9
-  br label %bb12
-
-bb12:                                             ; preds = %bb21, %bb11
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb21 ], [ 0, %bb11 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb14, label %bb23
-
-bb14:                                             ; preds = %bb12
-  %tmp = add nsw i32 %.0, -3
-  %tmp15 = add nuw nsw i64 %indvars.iv6, 3
-  %tmp16 = trunc i64 %tmp15 to i32
-  %tmp17 = mul nsw i32 %tmp, %tmp16
-  %tmp18 = trunc i64 %indvars.iv6 to i32
-  %tmp19 = srem i32 %tmp17, %tmp18
-  %tmp20 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @A, i64 0, i64 %indvars.iv6, i64 %indvars.iv
-  store i32 %tmp19, i32* %tmp20, align 4
-  br label %bb21
-
-bb21:                                             ; preds = %bb14
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb12
-
-bb23:                                             ; preds = %bb33, %bb12
-  %indvars.iv3 = phi i64 [ %indvars.iv.next4, %bb33 ], [ 0, %bb12 ]
-  %exitcond5 = icmp ne i64 %indvars.iv3, 100
-  br i1 %exitcond5, label %bb25, label %bb35
-
-bb25:                                             ; preds = %bb23
-  %tmp26 = add nsw i32 %.0, -3
-  %tmp27 = add nuw nsw i64 %indvars.iv6, 3
-  %tmp28 = trunc i64 %tmp27 to i32
-  %tmp29 = mul nsw i32 %tmp26, %tmp28
-  %tmp30 = trunc i64 %indvars.iv6 to i32
-  %tmp31 = srem i32 %tmp29, %tmp30
-  %tmp32 = getelementptr inbounds [1024 x [1024 x i32]], [1024 x [1024 x i32]]* @B, i64 0, i64 %indvars.iv6, i64 %indvars.iv3
-  store i32 %tmp31, i32* %tmp32, align 4
-  br label %bb33
-
-bb33:                                             ; preds = %bb25
-  %indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
-  br label %bb23
-
-bb35:                                             ; preds = %bb23
-  %indvars.iv.next7 = add nuw nsw i64 %indvars.iv6, 1
-  %tmp36 = add nuw nsw i32 %.0, 1
-  br label %bb9
-
-bb37:                                             ; preds = %bb10
-  ret void
-}
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
-}
diff --git a/llvm/test/Transforms/LoopFusion/simple.ll b/llvm/test/Transforms/LoopFusion/simple.ll
deleted file mode 100644
index 9d2db2b918b..00000000000
--- a/llvm/test/Transforms/LoopFusion/simple.ll
+++ /dev/null
@@ -1,317 +0,0 @@
-; RUN: opt -S -loop-fusion < %s | FileCheck %s
-
-@B = common global [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 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-define void @dep_free(i32* noalias %arg) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb14, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb14 ], [ 0, %bb ]
-  %.01 = phi i32 [ 0, %bb ], [ %tmp15, %bb14 ]
-  %exitcond4 = icmp ne i64 %indvars.iv2, 100
-  br i1 %exitcond4, label %bb7, label %bb17
-
-bb7:                                              ; preds = %bb5
-  %tmp = add nsw i32 %.01, -3
-  %tmp8 = add nuw nsw i64 %indvars.iv2, 3
-  %tmp9 = trunc i64 %tmp8 to i32
-  %tmp10 = mul nsw i32 %tmp, %tmp9
-  %tmp11 = trunc i64 %indvars.iv2 to i32
-  %tmp12 = srem i32 %tmp10, %tmp11
-  %tmp13 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  store i32 %tmp12, i32* %tmp13, align 4
-  br label %bb14
-
-bb14:                                             ; preds = %bb7
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  %tmp15 = add nuw nsw i32 %.01, 1
-  br label %bb5
-
-bb17:                                             ; preds = %bb27, %bb5
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb27 ], [ 0, %bb5 ]
-  %.0 = phi i32 [ 0, %bb5 ], [ %tmp28, %bb27 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb19, label %bb18
-
-bb18:                                             ; preds = %bb17
-  br label %bb29
-
-bb19:                                             ; preds = %bb17
-  %tmp20 = add nsw i32 %.0, -3
-  %tmp21 = add nuw nsw i64 %indvars.iv, 3
-  %tmp22 = trunc i64 %tmp21 to i32
-  %tmp23 = mul nsw i32 %tmp20, %tmp22
-  %tmp24 = trunc i64 %indvars.iv to i32
-  %tmp25 = srem i32 %tmp23, %tmp24
-  %tmp26 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp25, i32* %tmp26, align 4
-  br label %bb27
-
-bb27:                                             ; preds = %bb19
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %tmp28 = add nuw nsw i32 %.0, 1
-  br label %bb17
-
-bb29:                                             ; preds = %bb18
-  ret void
-}
-
-; CHECK: void @dep_free_parametric
-; CHECK-NEXT: bb:
-; CHECK-NEXT: br label %[[LOOP1HEADER:bb[0-9]*]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-define void @dep_free_parametric(i32* noalias %arg, i64 %arg2) {
-bb:
-  br label %bb3
-
-bb3:                                              ; preds = %bb12, %bb
-  %.01 = phi i64 [ 0, %bb ], [ %tmp13, %bb12 ]
-  %tmp = icmp slt i64 %.01, %arg2
-  br i1 %tmp, label %bb5, label %bb15
-
-bb5:                                              ; preds = %bb3
-  %tmp6 = add nsw i64 %.01, -3
-  %tmp7 = add nuw nsw i64 %.01, 3
-  %tmp8 = mul nsw i64 %tmp6, %tmp7
-  %tmp9 = srem i64 %tmp8, %.01
-  %tmp10 = trunc i64 %tmp9 to i32
-  %tmp11 = getelementptr inbounds i32, i32* %arg, i64 %.01
-  store i32 %tmp10, i32* %tmp11, align 4
-  br label %bb12
-
-bb12:                                             ; preds = %bb5
-  %tmp13 = add nuw nsw i64 %.01, 1
-  br label %bb3
-
-bb15:                                             ; preds = %bb25, %bb3
-  %.0 = phi i64 [ 0, %bb3 ], [ %tmp26, %bb25 ]
-  %tmp16 = icmp slt i64 %.0, %arg2
-  br i1 %tmp16, label %bb18, label %bb17
-
-bb17:                                             ; preds = %bb15
-  br label %bb27
-
-bb18:                                             ; preds = %bb15
-  %tmp19 = add nsw i64 %.0, -3
-  %tmp20 = add nuw nsw i64 %.0, 3
-  %tmp21 = mul nsw i64 %tmp19, %tmp20
-  %tmp22 = srem i64 %tmp21, %.0
-  %tmp23 = trunc i64 %tmp22 to i32
-  %tmp24 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %.0
-  store i32 %tmp23, i32* %tmp24, align 4
-  br label %bb25
-
-bb25:                                             ; preds = %bb18
-  %tmp26 = add nuw nsw i64 %.0, 1
-  br label %bb15
-
-bb27:                                             ; preds = %bb17
-  ret void
-}
-
-; CHECK: void @raw_only
-; CHECK-NEXT: bb:
-; CHECK-NEXT: br label %[[LOOP1HEADER:bb[0-9]*]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-define void @raw_only(i32* noalias %arg) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb9, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb9 ], [ 0, %bb ]
-  %exitcond4 = icmp ne i64 %indvars.iv2, 100
-  br i1 %exitcond4, label %bb7, label %bb11
-
-bb7:                                              ; preds = %bb5
-  %tmp = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  %tmp8 = trunc i64 %indvars.iv2 to i32
-  store i32 %tmp8, i32* %tmp, align 4
-  br label %bb9
-
-bb9:                                              ; preds = %bb7
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  br label %bb5
-
-bb11:                                             ; preds = %bb18, %bb5
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb18 ], [ 0, %bb5 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb13, label %bb19
-
-bb13:                                             ; preds = %bb11
-  %tmp14 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv
-  %tmp15 = load i32, i32* %tmp14, align 4
-  %tmp16 = shl nsw i32 %tmp15, 1
-  %tmp17 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp16, i32* %tmp17, align 4
-  br label %bb18
-
-bb18:                                             ; preds = %bb13
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb11
-
-bb19:                                             ; preds = %bb11
-  ret void
-}
-
-; CHECK: void @raw_only_parametric
-; CHECK-NEXT: bb:
-; CHECK: br label %[[LOOP1HEADER:bb[0-9]*]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-define void @raw_only_parametric(i32* noalias %arg, i32 %arg4) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb11, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb11 ], [ 0, %bb ]
-  %tmp = sext i32 %arg4 to i64
-  %tmp6 = icmp slt i64 %indvars.iv2, %tmp
-  br i1 %tmp6, label %bb8, label %bb14
-
-bb8:                                              ; preds = %bb5
-  %tmp9 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  %tmp10 = trunc i64 %indvars.iv2 to i32
-  store i32 %tmp10, i32* %tmp9, align 4
-  br label %bb11
-
-bb11:                                             ; preds = %bb8
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  br label %bb5
-
-bb14:                                             ; preds = %bb22, %bb5
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb22 ], [ 0, %bb5 ]
-  %tmp13 = sext i32 %arg4 to i64
-  %tmp15 = icmp slt i64 %indvars.iv, %tmp13
-  br i1 %tmp15, label %bb17, label %bb23
-
-bb17:                                             ; preds = %bb14
-  %tmp18 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv
-  %tmp19 = load i32, i32* %tmp18, align 4
-  %tmp20 = shl nsw i32 %tmp19, 1
-  %tmp21 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv
-  store i32 %tmp20, i32* %tmp21, align 4
-  br label %bb22
-
-bb22:                                             ; preds = %bb17
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb14
-
-bb23:                                             ; preds = %bb14
-  ret void
-}
-
-; CHECK: void @forward_dep
-; CHECK-NEXT: bb:
-; CHECK: br label %[[LOOP1HEADER:bb[0-9]*]]
-; CHECK: [[LOOP1HEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP1BODY:bb[0-9]*]], label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP1BODY]]
-; CHECK: br label %[[LOOP1LATCH:bb[0-9]*]]
-; CHECK: [[LOOP1LATCH]]
-; CHECK: br label %[[LOOP2PREHEADER:bb[0-9]+]]
-; CHECK: [[LOOP2PREHEADER]]
-; CHECK: br i1 %{{.*}}, label %[[LOOP2BODY:bb[0-9]*]], label %[[LOOP2EXIT:bb[0-9]*]]
-; CHECK: [[LOOP2BODY]]
-; CHECK: br label %[[LOOP2LATCH:bb[0-9]+]]
-; CHECK: [[LOOP2LATCH]]
-; CHECK: br label %[[LOOP1HEADER]]
-; CHECK: ret void
-define void @forward_dep(i32* noalias %arg) {
-bb:
-  br label %bb5
-
-bb5:                                              ; preds = %bb14, %bb
-  %indvars.iv2 = phi i64 [ %indvars.iv.next3, %bb14 ], [ 0, %bb ]
-  %.01 = phi i32 [ 0, %bb ], [ %tmp15, %bb14 ]
-  %exitcond4 = icmp ne i64 %indvars.iv2, 100
-  br i1 %exitcond4, label %bb7, label %bb17
-
-bb7:                                              ; preds = %bb5
-  %tmp = add nsw i32 %.01, -3
-  %tmp8 = add nuw nsw i64 %indvars.iv2, 3
-  %tmp9 = trunc i64 %tmp8 to i32
-  %tmp10 = mul nsw i32 %tmp, %tmp9
-  %tmp11 = trunc i64 %indvars.iv2 to i32
-  %tmp12 = srem i32 %tmp10, %tmp11
-  %tmp13 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv2
-  store i32 %tmp12, i32* %tmp13, align 4
-  br label %bb14
-
-bb14:                                             ; preds = %bb7
-  %indvars.iv.next3 = add nuw nsw i64 %indvars.iv2, 1
-  %tmp15 = add nuw nsw i32 %.01, 1
-  br label %bb5
-
-bb17:                                             ; preds = %bb25, %bb5
-  %indvars.iv = phi i64 [ %indvars.iv.next, %bb25 ], [ 0, %bb5 ]
-  %exitcond = icmp ne i64 %indvars.iv, 100
-  br i1 %exitcond, label %bb19, label %bb26
-
-bb19:                                             ; preds = %bb17
-  %tmp20 = add nsw i64 %indvars.iv, -3
-  %tmp21 = getelementptr inbounds i32, i32* %arg, i64 %tmp20
-  %tmp22 = load i32, i32* %tmp21, align 4
-  %tmp23 = mul nsw i32 %tmp22, 3
-  %tmp24 = getelementptr inbounds i32, i32* %arg, i64 %indvars.iv
-  store i32 %tmp23, i32* %tmp24, align 4
-  br label %bb25
-
-bb25:                                             ; preds = %bb19
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  br label %bb17
-
-bb26:                                             ; preds = %bb17
-  ret void
-}