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, 74 deletions

diff --git a/llvm/test/Transforms/LoopIdiom/scev-invalidation.ll b/llvm/test/Transforms/LoopIdiom/scev-invalidation.ll
deleted file mode 100644
index 2fe8a3023c4..00000000000
--- a/llvm/test/Transforms/LoopIdiom/scev-invalidation.ll
+++ /dev/null
@@ -1,74 +0,0 @@
-; RUN: opt -S -indvars -loop-idiom < %s
-; PR14214
-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"
-target triple = "x86_64-unknown-linux-gnu"
-
-define i32 @quote_arg() nounwind {
-entry:
-  br label %for.cond
-
-for.cond:                                         ; preds = %for.inc, %entry
-  %backslashes.0 = phi i32 [ undef, %entry ], [ %backslashes.2, %for.inc ]
-  %p.0 = phi i8* [ undef, %entry ], [ %incdec.ptr3, %for.inc ]
-  %q.0 = phi i8* [ undef, %entry ], [ %q.2, %for.inc ]
-  %0 = load i8, i8* %p.0, align 1
-  switch i8 %0, label %while.cond.preheader [
-    i8 0, label %for.cond4.preheader
-    i8 92, label %for.inc
-  ]
-
-while.cond.preheader:                             ; preds = %for.cond
-  %tobool210 = icmp eq i32 %backslashes.0, 0
-  br i1 %tobool210, label %for.inc.loopexit, label %while.body.lr.ph
-
-while.body.lr.ph:                                 ; preds = %while.cond.preheader
-  %1 = add i32 %backslashes.0, -1
-  %2 = zext i32 %1 to i64
-  br label %while.body
-
-for.cond4.preheader:                              ; preds = %for.cond
-  %tobool57 = icmp eq i32 %backslashes.0, 0
-  br i1 %tobool57, label %for.end10, label %for.body6.lr.ph
-
-for.body6.lr.ph:                                  ; preds = %for.cond4.preheader
-  br label %for.body6
-
-while.body:                                       ; preds = %while.body.lr.ph, %while.body
-  %q.112 = phi i8* [ %q.0, %while.body.lr.ph ], [ %incdec.ptr, %while.body ]
-  %backslashes.111 = phi i32 [ %backslashes.0, %while.body.lr.ph ], [ %dec, %while.body ]
-  %incdec.ptr = getelementptr inbounds i8, i8* %q.112, i64 1
-  store i8 92, i8* %incdec.ptr, align 1
-  %dec = add nsw i32 %backslashes.111, -1
-  %tobool2 = icmp eq i32 %dec, 0
-  br i1 %tobool2, label %while.cond.for.inc.loopexit_crit_edge, label %while.body
-
-while.cond.for.inc.loopexit_crit_edge:            ; preds = %while.body
-  %scevgep.sum = add i64 %2, 1
-  %scevgep13 = getelementptr i8, i8* %q.0, i64 %scevgep.sum
-  br label %for.inc.loopexit
-
-for.inc.loopexit:                                 ; preds = %while.cond.for.inc.loopexit_crit_edge, %while.cond.preheader
-  %q.1.lcssa = phi i8* [ %scevgep13, %while.cond.for.inc.loopexit_crit_edge ], [ %q.0, %while.cond.preheader ]
-  br label %for.inc
-
-for.inc:                                          ; preds = %for.inc.loopexit, %for.cond
-  %backslashes.2 = phi i32 [ %backslashes.0, %for.cond ], [ 0, %for.inc.loopexit ]
-  %q.2 = phi i8* [ %q.0, %for.cond ], [ %q.1.lcssa, %for.inc.loopexit ]
-  %incdec.ptr3 = getelementptr inbounds i8, i8* %p.0, i64 1
-  br label %for.cond
-
-for.body6:                                        ; preds = %for.body6.lr.ph, %for.body6
-  %q.39 = phi i8* [ %q.0, %for.body6.lr.ph ], [ %incdec.ptr7, %for.body6 ]
-  %backslashes.38 = phi i32 [ %backslashes.0, %for.body6.lr.ph ], [ %dec9, %for.body6 ]
-  %incdec.ptr7 = getelementptr inbounds i8, i8* %q.39, i64 1
-  store i8 92, i8* %incdec.ptr7, align 1
-  %dec9 = add nsw i32 %backslashes.38, -1
-  %tobool5 = icmp eq i32 %dec9, 0
-  br i1 %tobool5, label %for.cond4.for.end10_crit_edge, label %for.body6
-
-for.cond4.for.end10_crit_edge:                    ; preds = %for.body6
-  br label %for.end10
-
-for.end10:                                        ; preds = %for.cond4.for.end10_crit_edge, %for.cond4.preheader
-  ret i32 undef
-}