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, 113 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/scev-exitlim-crash.ll b/llvm/test/Transforms/LoopVectorize/scev-exitlim-crash.ll
deleted file mode 100644
index 833db9310d3..00000000000
--- a/llvm/test/Transforms/LoopVectorize/scev-exitlim-crash.ll
+++ /dev/null
@@ -1,113 +0,0 @@
-; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=8 -S | FileCheck %s
-
-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"
-
-@b = common global i32 0, align 4
-@f = common global i32 0, align 4
-@a = common global i32 0, align 4
-@d = common global i32* null, align 8
-@e = common global i32* null, align 8
-@c = common global i32 0, align 4
-
-; CHECK-LABEL: @fn1(
-; CHECK: vector.body
-define void @fn1() #0 {
-entry:
-  br label %for.cond
-
-for.cond:                                         ; preds = %for.cond, %entry
-  %i.0 = phi i32 [ undef, %entry ], [ %inc, %for.cond ]
-  %cmp = icmp slt i32 %i.0, 0
-  %call = tail call i32 @fn2(double fadd (double fsub (double undef, double undef), double 1.000000e+00)) #2
-  %inc = add nsw i32 %i.0, 1
-  br i1 %cmp, label %for.cond, label %for.cond4.preheader
-
-for.cond4.preheader:                              ; preds = %for.cond
-  %call.lcssa = phi i32 [ %call, %for.cond ]
-  %cmp514 = icmp sgt i32 %call.lcssa, 0
-  br i1 %cmp514, label %for.cond7.preheader.lr.ph, label %for.end26
-
-for.cond7.preheader.lr.ph:                        ; preds = %for.cond4.preheader
-  %0 = load i32*, i32** @e, align 8, !tbaa !4
-  br label %for.cond7.preheader
-
-for.cond7.preheader:                              ; preds = %for.cond7.preheader.lr.ph, %for.inc23
-  %y.017 = phi i32 [ 0, %for.cond7.preheader.lr.ph ], [ %inc24, %for.inc23 ]
-  %i.116 = phi i32 [ 0, %for.cond7.preheader.lr.ph ], [ %i.2.lcssa, %for.inc23 ]
-  %n.015 = phi i32 [ undef, %for.cond7.preheader.lr.ph ], [ %inc25, %for.inc23 ]
-  %1 = load i32, i32* @b, align 4, !tbaa !5
-  %tobool11 = icmp eq i32 %1, 0
-  br i1 %tobool11, label %for.inc23, label %for.body8.lr.ph
-
-for.body8.lr.ph:                                  ; preds = %for.cond7.preheader
-  %add9 = add i32 %n.015, 1
-  br label %for.body8
-
-for.body8:                                        ; preds = %for.body8.lr.ph, %for.inc19
-  %indvars.iv19 = phi i64 [ 0, %for.body8.lr.ph ], [ %indvars.iv.next20, %for.inc19 ]
-  %i.213 = phi i32 [ %i.116, %for.body8.lr.ph ], [ 0, %for.inc19 ]
-  %2 = trunc i64 %indvars.iv19 to i32
-  %add10 = add i32 %add9, %2
-  store i32 %add10, i32* @f, align 4, !tbaa !5
-  %idx.ext = sext i32 %add10 to i64
-  %add.ptr = getelementptr inbounds i32, i32* @a, i64 %idx.ext
-  %tobool129 = icmp eq i32 %i.213, 0
-  br i1 %tobool129, label %for.inc19, label %for.body13.lr.ph
-
-for.body13.lr.ph:                                 ; preds = %for.body8
-  %3 = sext i32 %i.213 to i64
-  br label %for.body13
-
-for.body13:                                       ; preds = %for.body13.lr.ph, %for.body13
-  %indvars.iv = phi i64 [ %3, %for.body13.lr.ph ], [ %indvars.iv.next, %for.body13 ]
-  %add.ptr.sum = add i64 %idx.ext, %indvars.iv
-  %arrayidx = getelementptr inbounds i32, i32* @a, i64 %add.ptr.sum
-  %4 = load i32, i32* %arrayidx, align 4, !tbaa !5
-  %arrayidx15 = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
-  store i32 %4, i32* %arrayidx15, align 4, !tbaa !5
-  %indvars.iv.next = add i64 %indvars.iv, 1
-  %5 = trunc i64 %indvars.iv.next to i32
-  %tobool12 = icmp eq i32 %5, 0
-  br i1 %tobool12, label %for.cond11.for.inc19_crit_edge, label %for.body13
-
-for.cond11.for.inc19_crit_edge:                   ; preds = %for.body13
-  br label %for.inc19
-
-for.inc19:                                        ; preds = %for.cond11.for.inc19_crit_edge, %for.body8
-  %6 = load i32, i32* @c, align 4, !tbaa !5
-  %inc20 = add nsw i32 %6, 1
-  store i32 %inc20, i32* @c, align 4, !tbaa !5
-  %indvars.iv.next20 = add i64 %indvars.iv19, 1
-  %7 = load i32, i32* @b, align 4, !tbaa !5
-  %tobool = icmp eq i32 %7, 0
-  br i1 %tobool, label %for.cond7.for.inc23_crit_edge, label %for.body8
-
-for.cond7.for.inc23_crit_edge:                    ; preds = %for.inc19
-  %add.ptr.lcssa = phi i32* [ %add.ptr, %for.inc19 ]
-  store i32* %add.ptr.lcssa, i32** @d, align 8, !tbaa !4
-  br label %for.inc23
-
-for.inc23:                                        ; preds = %for.cond7.for.inc23_crit_edge, %for.cond7.preheader
-  %i.2.lcssa = phi i32 [ 0, %for.cond7.for.inc23_crit_edge ], [ %i.116, %for.cond7.preheader ]
-  %inc24 = add nsw i32 %y.017, 1
-  %inc25 = add nsw i32 %n.015, 1
-  %exitcond = icmp ne i32 %inc24, %call.lcssa
-  br i1 %exitcond, label %for.cond7.preheader, label %for.cond4.for.end26_crit_edge
-
-for.cond4.for.end26_crit_edge:                    ; preds = %for.inc23
-  br label %for.end26
-
-for.end26:                                        ; preds = %for.cond4.for.end26_crit_edge, %for.cond4.preheader
-  ret void
-}
-declare i32 @fn2(double) #1
-
-attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
-attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
-
-!0 = !{!"int", !1}
-!1 = !{!"omnipotent char", !2}
-!2 = !{!"Simple C/C++ TBAA"}
-!3 = !{!"double", !1}
-!4 = !{!0, !0, i64 0}
-!5 = !{!3, !3, i64 0}