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, 60 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/if-conv-crash.ll b/llvm/test/Transforms/LoopVectorize/if-conv-crash.ll
deleted file mode 100644
index d82779a30e8..00000000000
--- a/llvm/test/Transforms/LoopVectorize/if-conv-crash.ll
+++ /dev/null
@@ -1,60 +0,0 @@
-; RUN: opt < %s  -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -enable-if-conversion
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-
-define fastcc void @DD_dump() nounwind uwtable ssp {
-entry:
-  br i1 undef, label %lor.lhs.false, label %if.end25
-
-lor.lhs.false:                                    ; preds = %entry
-  br i1 undef, label %if.end21, label %if.else
-
-if.else:                                          ; preds = %lor.lhs.false
-  br i1 undef, label %num_q.exit, label %while.body.i.preheader
-
-while.body.i.preheader:                           ; preds = %if.else
-  br label %while.body.i
-
-while.body.i:                                     ; preds = %if.end.i, %while.body.i.preheader
-  switch i8 undef, label %if.end.i [
-    i8 39, label %if.then.i
-    i8 92, label %if.then.i
-  ]
-
-if.then.i:                                        ; preds = %while.body.i, %while.body.i
-  br label %if.end.i
-
-if.end.i:                                         ; preds = %if.then.i, %while.body.i
-  br i1 undef, label %num_q.exit, label %while.body.i
-
-num_q.exit:                                       ; preds = %if.end.i, %if.else
-  unreachable
-
-if.end21:                                         ; preds = %lor.lhs.false
-  unreachable
-
-if.end25:                                         ; preds = %entry
-  ret void
-}
-
-; PR15990
-; We can have basic blocks with single entry PHI nodes.
-define void @single_entry_phi(i32* %a, i32 *%b) {
-entry:
-  br label %for.cond1.preheader
-
-for.cond1.preheader:
-  %inc10 = phi i32 [ 0, %entry ], [ %inc, %for.end ]
-  br label %for.end
-
-for.end:
-  %malicious.phi = phi i32 [ 0, %for.cond1.preheader ]
-  %inc = add nsw i32 %inc10, 1
-  %tobool = icmp eq i32 %inc, 0
-  br i1 %tobool, label %for.cond.for.end5, label %for.cond1.preheader
-
-for.cond.for.end5:
-  %and.lcssa = phi i32 [ %malicious.phi, %for.end ]
-  store i32 %and.lcssa, i32* %a, align 4
-  ret void
-}