Temporarily Revert "Add basic loop fusion pass."

As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546

1 files changed, 0 insertions, 201 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/induction-step.ll b/llvm/test/Transforms/LoopVectorize/induction-step.ll
deleted file mode 100644
index 669746aa196..00000000000
--- a/llvm/test/Transforms/LoopVectorize/induction-step.ll
+++ /dev/null
@@ -1,201 +0,0 @@
-; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=8 -S | FileCheck %s
-
-; int int_inc;
-;
-;int induction_with_global(int init, int *restrict A, int N) {
-;  int x = init;
-;  for (int i=0;i<N;i++){
-;    A[i] = x;
-;    x += int_inc;
-;  }
-;  return x;
-;}
-
-; CHECK-LABEL: @induction_with_global(
-; CHECK:       for.body.lr.ph:
-; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* @int_inc, align 4
-; CHECK:       vector.ph:
-; CHECK:         [[DOTSPLATINSERT:%.*]] = insertelement <8 x i32> undef, i32 %init, i32 0
-; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <8 x i32> undef, i32 [[TMP0]], i32 0
-; CHECK-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT2]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP6:%.*]] = mul <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>, [[DOTSPLAT3]]
-; CHECK-NEXT:    [[INDUCTION4:%.*]] = add <8 x i32> [[DOTSPLAT]], [[TMP6]]
-; CHECK-NEXT:    [[TMP7:%.*]] = mul i32 [[TMP0]], 8
-; CHECK-NEXT:    [[DOTSPLATINSERT5:%.*]] = insertelement <8 x i32> undef, i32 [[TMP7]], i32 0
-; CHECK-NEXT:    [[DOTSPLAT6:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT5]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    br label %vector.body
-; CHECK:       vector.body:
-; CHECK-NEXT:    %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
-; CHECK-NEXT:    %vec.ind = phi <8 x i32> [ [[INDUCTION4]], %vector.ph ], [ %vec.ind.next, %vector.body ]
-; CHECK:         [[TMP8:%.*]] = add i64 %index, 0
-; CHECK-NEXT:    [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP8]]
-; CHECK-NEXT:    [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[TMP9]], i32 0
-; CHECK-NEXT:    [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <8 x i32>*
-; CHECK-NEXT:    store <8 x i32> %vec.ind, <8 x i32>* [[TMP11]], align 4
-; CHECK:         %index.next = add i64 %index, 8
-; CHECK-NEXT:    %vec.ind.next = add <8 x i32> %vec.ind, [[DOTSPLAT6]]
-; CHECK:         br i1 {{.*}}, label %middle.block, label %vector.body
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-
-
-@int_inc = common global i32 0, align 4
-
-define i32 @induction_with_global(i32 %init, i32* noalias nocapture %A, i32 %N) {
-entry:
-  %cmp4 = icmp sgt i32 %N, 0
-  br i1 %cmp4, label %for.body.lr.ph, label %for.end
-
-for.body.lr.ph:                                   ; preds = %entry
-  %0 = load i32, i32* @int_inc, align 4
-  %1 = mul i32 %0, %N
-  br label %for.body
-
-for.body:                                         ; preds = %for.body, %for.body.lr.ph
-  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
-  %x.05 = phi i32 [ %init, %for.body.lr.ph ], [ %add, %for.body ]
-  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
-  store i32 %x.05, i32* %arrayidx, align 4
-  %add = add nsw i32 %0, %x.05
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, %N
-  br i1 %exitcond, label %for.end.loopexit, label %for.body
-
-for.end.loopexit:                                 ; preds = %for.body
-  %2 = add i32 %1, %init
-  br label %for.end
-
-for.end:                                          ; preds = %for.end.loopexit, %entry
-  %x.0.lcssa = phi i32 [ %init, %entry ], [ %2, %for.end.loopexit ]
-  ret i32 %x.0.lcssa
-}
-
-
-;int induction_with_loop_inv(int init, int *restrict A, int N, int M) {
-;  int x = init;
-;  for (int j = 0; j < M; j++) {
-;    for (int i=0; i<N; i++){
-;      A[i] = x;
-;      x += j; // induction step is a loop invariant variable
-;    }
-;  }
-;  return x;
-;}
-
-; CHECK-LABEL: @induction_with_loop_inv(
-; CHECK:       vector.ph:
-; CHECK:         [[DOTSPLATINSERT:%.*]] = insertelement <8 x i32> undef, i32 %x.011, i32 0
-; CHECK-NEXT:    [[DOTSPLAT:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    [[DOTSPLATINSERT2:%.*]] = insertelement <8 x i32> undef, i32 %j.012, i32 0
-; CHECK-NEXT:    [[DOTSPLAT3:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT2]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP4:%.*]] = mul <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>, [[DOTSPLAT3]]
-; CHECK-NEXT:    [[INDUCTION4:%.*]] = add <8 x i32> [[DOTSPLAT]], [[TMP4]]
-; CHECK-NEXT:    [[TMP5:%.*]] = mul i32 %j.012, 8
-; CHECK-NEXT:    [[DOTSPLATINSERT5:%.*]] = insertelement <8 x i32> undef, i32 [[TMP5]], i32 0
-; CHECK-NEXT:    [[DOTSPLAT6:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT5]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    br label %vector.body
-; CHECK:       vector.body:
-; CHECK-NEXT:    %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
-; CHECK-NEXT:    %vec.ind = phi <8 x i32> [ [[INDUCTION4]], %vector.ph ], [ %vec.ind.next, %vector.body ]
-; CHECK:         [[TMP6:%.*]] = add i64 %index, 0
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP6]]
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP7]], i32 0
-; CHECK-NEXT:    [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <8 x i32>*
-; CHECK-NEXT:    store <8 x i32> %vec.ind, <8 x i32>* [[TMP9]], align 4
-; CHECK:         %index.next = add i64 %index, 8
-; CHECK-NEXT:    %vec.ind.next = add <8 x i32> %vec.ind, [[DOTSPLAT6]]
-; CHECK:         br i1 {{.*}}, label %middle.block, label %vector.body
-
-define i32 @induction_with_loop_inv(i32 %init, i32* noalias nocapture %A, i32 %N, i32 %M) {
-entry:
-  %cmp10 = icmp sgt i32 %M, 0
-  br i1 %cmp10, label %for.cond1.preheader.lr.ph, label %for.end6
-
-for.cond1.preheader.lr.ph:                        ; preds = %entry
-  %cmp27 = icmp sgt i32 %N, 0
-  br label %for.cond1.preheader
-
-for.cond1.preheader:                              ; preds = %for.inc4, %for.cond1.preheader.lr.ph
-  %indvars.iv15 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %indvars.iv.next16, %for.inc4 ]
-  %j.012 = phi i32 [ 0, %for.cond1.preheader.lr.ph ], [ %inc5, %for.inc4 ]
-  %x.011 = phi i32 [ %init, %for.cond1.preheader.lr.ph ], [ %x.1.lcssa, %for.inc4 ]
-  br i1 %cmp27, label %for.body3.preheader, label %for.inc4
-
-for.body3.preheader:                              ; preds = %for.cond1.preheader
-  br label %for.body3
-
-for.body3:                                        ; preds = %for.body3.preheader, %for.body3
-  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body3 ], [ 0, %for.body3.preheader ]
-  %x.18 = phi i32 [ %add, %for.body3 ], [ %x.011, %for.body3.preheader ]
-  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
-  store i32 %x.18, i32* %arrayidx, align 4
-  %add = add nsw i32 %x.18, %j.012
-  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp eq i32 %lftr.wideiv, %N
-  br i1 %exitcond, label %for.inc4.loopexit, label %for.body3
-
-for.inc4.loopexit:                                ; preds = %for.body3
-  %0 = add i32 %x.011, %indvars.iv15
-  br label %for.inc4
-
-for.inc4:                                         ; preds = %for.inc4.loopexit, %for.cond1.preheader
-  %x.1.lcssa = phi i32 [ %x.011, %for.cond1.preheader ], [ %0, %for.inc4.loopexit ]
-  %inc5 = add nuw nsw i32 %j.012, 1
-  %indvars.iv.next16 = add i32 %indvars.iv15, %N
-  %exitcond17 = icmp eq i32 %inc5, %M
-  br i1 %exitcond17, label %for.end6.loopexit, label %for.cond1.preheader
-
-for.end6.loopexit:                                ; preds = %for.inc4
-  %x.1.lcssa.lcssa = phi i32 [ %x.1.lcssa, %for.inc4 ]
-  br label %for.end6
-
-for.end6:                                         ; preds = %for.end6.loopexit, %entry
-  %x.0.lcssa = phi i32 [ %init, %entry ], [ %x.1.lcssa.lcssa, %for.end6.loopexit ]
-  ret i32 %x.0.lcssa
-}
-
-
-; CHECK-LABEL: @non_primary_iv_loop_inv_trunc(
-; CHECK:       vector.ph:
-; CHECK:         [[TMP3:%.*]] = trunc i64 %step to i32
-; CHECK-NEXT:    [[DOTSPLATINSERT5:%.*]] = insertelement <8 x i32> undef, i32 [[TMP3]], i32 0
-; CHECK-NEXT:    [[DOTSPLAT6:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT5]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    [[TMP4:%.*]] = mul <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>, [[DOTSPLAT6]]
-; CHECK-NEXT:    [[INDUCTION7:%.*]] = add <8 x i32> zeroinitializer, [[TMP4]]
-; CHECK-NEXT:    [[TMP5:%.*]] = mul i32 [[TMP3]], 8
-; CHECK-NEXT:    [[DOTSPLATINSERT8:%.*]] = insertelement <8 x i32> undef, i32 [[TMP5]], i32 0
-; CHECK-NEXT:    [[DOTSPLAT9:%.*]] = shufflevector <8 x i32> [[DOTSPLATINSERT8]], <8 x i32> undef, <8 x i32> zeroinitializer
-; CHECK-NEXT:    br label %vector.body
-; CHECK:       vector.body:
-; CHECK-NEXT:    %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
-; CHECK:         [[VEC_IND10:%.*]] = phi <8 x i32> [ [[INDUCTION7]], %vector.ph ], [ [[VEC_IND_NEXT11:%.*]], %vector.body ]
-; CHECK:         [[TMP6:%.*]] = add i64 %index, 0
-; CHECK-NEXT:    [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP6]]
-; CHECK-NEXT:    [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP7]], i32 0
-; CHECK-NEXT:    [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <8 x i32>*
-; CHECK-NEXT:    store <8 x i32> [[VEC_IND10]], <8 x i32>* [[TMP9]], align 4
-; CHECK-NEXT:    %index.next = add i64 %index, 8
-; CHECK:         [[VEC_IND_NEXT11]] = add <8 x i32> [[VEC_IND10]], [[DOTSPLAT9]]
-; CHECK:         br i1 {{.*}}, label %middle.block, label %vector.body
-
-define void @non_primary_iv_loop_inv_trunc(i32* %a, i64 %n, i64 %step) {
-entry:
-  br label %for.body
-
-for.body:
-  %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
-  %j = phi i64 [ %j.next, %for.body ], [ 0, %entry ]
-  %tmp0 = getelementptr inbounds i32, i32* %a, i64 %i
-  %tmp1 = trunc i64 %j to i32
-  store i32 %tmp1, i32* %tmp0, align 4
-  %i.next = add nuw nsw i64 %i, 1
-  %j.next = add nuw nsw i64 %j, %step
-  %cond = icmp slt i64 %i.next, %n
-  br i1 %cond, label %for.body, label %for.end
-
-for.end:
-  ret void
-}