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, 245 deletions

diff --git a/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll b/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll
deleted file mode 100644
index 83386a0d688..00000000000
--- a/llvm/test/Transforms/LoopVectorize/if-conversion-edgemasks.ll
+++ /dev/null
@@ -1,245 +0,0 @@
-; RUN: opt -S -loop-vectorize < %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"
-
-@a = global i32* null, align 8
-@b = global i32* null, align 8
-@c = global i32* null, align 8
-
-; Don't create an exponetial IR for the edge masks needed when if-converting
-; this code.
-
-; PR16472
-
-; CHECK-NOT: %6000000 =
-
-define void @_Z3fn4i(i32 %p1) {
-entry:
-  %cmp88 = icmp sgt i32 %p1, 0
-  br i1 %cmp88, label %for.body.lr.ph, label %for.end
-
-for.body.lr.ph:
-  %0 = load i32*, i32** @b, align 8
-  %1 = load i32*, i32** @a, align 8
-  %2 = load i32*, i32** @c, align 8
-  br label %for.body
-
-for.body:
-  %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %_ZL3fn3ii.exit58 ]
-  %arrayidx = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
-  %3 = load i32, i32* %arrayidx, align 4  %4 = trunc i64 %indvars.iv to i32
-  %and.i = and i32 %4, 1
-  %tobool.i.i = icmp eq i32 %and.i, 0
-  br i1 %tobool.i.i, label %if.end.i, label %if.then.i
-
-if.then.i:
-  %and.i.i = lshr i32 %3, 2
-  %and.lobit.i.i = and i32 %and.i.i, 1
-  %5 = xor i32 %and.lobit.i.i, 1
-  %or.i.i = or i32 %5, %3
-  %cmp.i = icmp sgt i32 %or.i.i, 0
-  %conv.i = zext i1 %cmp.i to i32
-  br label %if.end.i
-
-if.end.i:
-  %tobool.i87 = phi i1 [ true, %if.then.i ], [ false, %for.body ]
-  %p1.addr.0.i = phi i32 [ %conv.i, %if.then.i ], [ %3, %for.body ]
-  %6 = trunc i64 %indvars.iv to i32
-  %and1.i = and i32 %6, 7
-  %tobool2.i = icmp eq i32 %and1.i, 0
-  br i1 %tobool2.i, label %if.end7.i, label %if.then3.i
-
-if.then3.i:
-  %p1.addr.0.lobit.i = lshr i32 %p1.addr.0.i, 31
-  %and6.i = and i32 %p1.addr.0.i, 1
-  %or.i = or i32 %p1.addr.0.lobit.i, %and6.i
-  br label %if.end7.i
-
-if.end7.i:
-  %p1.addr.1.i = phi i32 [ %or.i, %if.then3.i ], [ %p1.addr.0.i, %if.end.i ]
-  br i1 %tobool.i87, label %if.then10.i, label %if.end13.i
-
-if.then10.i:
-  %cmp11.i = icmp sgt i32 %p1.addr.1.i, 0
-  %conv12.i = zext i1 %cmp11.i to i32
-  br label %if.end13.i
-
-if.end13.i:
-  %p1.addr.2.i = phi i32 [ %conv12.i, %if.then10.i ], [ %p1.addr.1.i, %if.end7.i ]
-  br i1 %tobool.i.i, label %_Z3fn2iii.exit, label %if.then16.i
-
-if.then16.i:
-  %and17.i = lshr i32 %p1.addr.2.i, 3
-  %and17.lobit.i = and i32 %and17.i, 1
-  br label %_Z3fn2iii.exit
-
-_Z3fn2iii.exit:
-  %p1.addr.3.i = phi i32 [ %and17.lobit.i, %if.then16.i ], [ %p1.addr.2.i, %if.end13.i ]
-  %7 = trunc i64 %indvars.iv to i32
-  %shr.i = ashr i32 %7, 1
-  %and.i18.i = and i32 %shr.i, 1
-  %tobool.i19.i = icmp ne i32 %and.i18.i, 0
-  br i1 %tobool.i19.i, label %if.then.i20.i, label %if.end.i.i
-
-if.then.i20.i:
-  %cmp.i.i = icmp sgt i32 %p1.addr.3.i, 0
-  %conv.i.i = zext i1 %cmp.i.i to i32
-  br label %if.end.i.i
-
-if.end.i.i:
-  %p1.addr.0.i21.i = phi i32 [ %conv.i.i, %if.then.i20.i ], [ %p1.addr.3.i, %_Z3fn2iii.exit ]
-  %and1.i.i = and i32 %shr.i, 7
-  %tobool2.i.i = icmp eq i32 %and1.i.i, 0
-  br i1 %tobool2.i.i, label %if.end7.i.i, label %if.then3.i.i
-
-if.then3.i.i:
-  %p1.addr.0.lobit.i.i = lshr i32 %p1.addr.0.i21.i, 31
-  %and6.i.i = and i32 %p1.addr.0.i21.i, 1
-  %or.i22.i = or i32 %p1.addr.0.lobit.i.i, %and6.i.i
-  br label %if.end7.i.i
-
-if.end7.i.i:
-  %p1.addr.1.i.i = phi i32 [ %or.i22.i, %if.then3.i.i ], [ %p1.addr.0.i21.i, %if.end.i.i ]
-  br i1 %tobool.i19.i, label %if.then10.i.i, label %if.end13.i.i
-
-if.then10.i.i:
-  %cmp11.i.i = icmp sgt i32 %p1.addr.1.i.i, 0
-  %conv12.i.i = zext i1 %cmp11.i.i to i32
-  br label %if.end13.i.i
-
-if.end13.i.i:
-  %p1.addr.2.i.i = phi i32 [ %conv12.i.i, %if.then10.i.i ], [ %p1.addr.1.i.i, %if.end7.i.i ]
-  %and14.i.i = and i32 %shr.i, 5
-  %tobool15.i.i = icmp eq i32 %and14.i.i, 0
-  br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i, label %if.then16.i.i
-
-if.then16.i.i:
-  %and17.i.i = lshr i32 %p1.addr.2.i.i, 3
-  %and17.lobit.i.i = and i32 %and17.i.i, 1
-  br label %_Z3fn2iii.exit.i
-
-_Z3fn2iii.exit.i:
-  %p1.addr.3.i.i = phi i32 [ %and17.lobit.i.i, %if.then16.i.i ], [ %p1.addr.2.i.i, %if.end13.i.i ]
-  %8 = trunc i64 %indvars.iv to i32
-  %tobool.i11.i = icmp eq i32 %8, 0
-  br i1 %tobool.i11.i, label %_ZL3fn3ii.exit, label %if.then.i15.i
-
-if.then.i15.i:
-  %and.i12.i = lshr i32 %p1.addr.3.i.i, 2
-  %and.lobit.i13.i = and i32 %and.i12.i, 1
-  %9 = xor i32 %and.lobit.i13.i, 1
-  %or.i14.i = or i32 %9, %p1.addr.3.i.i
-  br label %_ZL3fn3ii.exit
-
-_ZL3fn3ii.exit:
-  %p1.addr.0.i16.i = phi i32 [ %or.i14.i, %if.then.i15.i ], [ %p1.addr.3.i.i, %_Z3fn2iii.exit.i ]
-  %arrayidx2 = getelementptr inbounds i32, i32* %1, i64 %indvars.iv
-  store i32 %p1.addr.0.i16.i, i32* %arrayidx2, align 4  %arrayidx4 = getelementptr inbounds i32, i32* %0, i64 %indvars.iv
-  %10 = load i32, i32* %arrayidx4, align 4  br i1 %tobool.i.i, label %_Z3fn1ii.exit.i26, label %if.then.i.i21
-
-if.then.i.i21:
-  %and.i.i18 = lshr i32 %10, 2
-  %and.lobit.i.i19 = and i32 %and.i.i18, 1
-  %11 = xor i32 %and.lobit.i.i19, 1
-  %or.i.i20 = or i32 %11, %10
-  br label %_Z3fn1ii.exit.i26
-
-_Z3fn1ii.exit.i26:
-  %p1.addr.0.i.i22 = phi i32 [ %or.i.i20, %if.then.i.i21 ], [ %10, %_ZL3fn3ii.exit ]
-  br i1 %tobool.i87, label %if.then.i63, label %if.end.i67
-
-if.then.i63:
-  %cmp.i61 = icmp sgt i32 %p1.addr.0.i.i22, 0
-  %conv.i62 = zext i1 %cmp.i61 to i32
-  br label %if.end.i67
-
-if.end.i67:
-  %p1.addr.0.i64 = phi i32 [ %conv.i62, %if.then.i63 ], [ %p1.addr.0.i.i22, %_Z3fn1ii.exit.i26 ]
-  br i1 %tobool2.i, label %if.end7.i73, label %if.then3.i71
-
-if.then3.i71:
-  %p1.addr.0.lobit.i68 = lshr i32 %p1.addr.0.i64, 31
-  %and6.i69 = and i32 %p1.addr.0.i64, 1
-  %or.i70 = or i32 %p1.addr.0.lobit.i68, %and6.i69
-  br label %if.end7.i73
-
-if.end7.i73:
-  %p1.addr.1.i72 = phi i32 [ %or.i70, %if.then3.i71 ], [ %p1.addr.0.i64, %if.end.i67 ]
-  br i1 %tobool.i87, label %if.then10.i76, label %if.end13.i80
-
-if.then10.i76:
-  %cmp11.i74 = icmp sgt i32 %p1.addr.1.i72, 0
-  %conv12.i75 = zext i1 %cmp11.i74 to i32
-  br label %if.end13.i80
-
-if.end13.i80:
-  %p1.addr.2.i77 = phi i32 [ %conv12.i75, %if.then10.i76 ], [ %p1.addr.1.i72, %if.end7.i73 ]
-  br i1 %tobool.i.i, label %_Z3fn2iii.exit85, label %if.then16.i83
-
-if.then16.i83:
-  %and17.i81 = lshr i32 %p1.addr.2.i77, 3
-  %and17.lobit.i82 = and i32 %and17.i81, 1
-  br label %_Z3fn2iii.exit85
-
-_Z3fn2iii.exit85:
-  %p1.addr.3.i84 = phi i32 [ %and17.lobit.i82, %if.then16.i83 ], [ %p1.addr.2.i77, %if.end13.i80 ]
-  br i1 %tobool.i19.i, label %if.then.i20.i29, label %if.end.i.i33
-
-if.then.i20.i29:
-  %cmp.i.i27 = icmp sgt i32 %p1.addr.3.i84, 0
-  %conv.i.i28 = zext i1 %cmp.i.i27 to i32
-  br label %if.end.i.i33
-
-if.end.i.i33:
-  %p1.addr.0.i21.i30 = phi i32 [ %conv.i.i28, %if.then.i20.i29 ], [ %p1.addr.3.i84, %_Z3fn2iii.exit85 ]
-  br i1 %tobool2.i.i, label %if.end7.i.i39, label %if.then3.i.i37
-
-if.then3.i.i37:
-  %p1.addr.0.lobit.i.i34 = lshr i32 %p1.addr.0.i21.i30, 31
-  %and6.i.i35 = and i32 %p1.addr.0.i21.i30, 1
-  %or.i22.i36 = or i32 %p1.addr.0.lobit.i.i34, %and6.i.i35
-  br label %if.end7.i.i39
-
-if.end7.i.i39:
-  %p1.addr.1.i.i38 = phi i32 [ %or.i22.i36, %if.then3.i.i37 ], [ %p1.addr.0.i21.i30, %if.end.i.i33 ]
-  br i1 %tobool.i19.i, label %if.then10.i.i42, label %if.end13.i.i46
-
-if.then10.i.i42:
-  %cmp11.i.i40 = icmp sgt i32 %p1.addr.1.i.i38, 0
-  %conv12.i.i41 = zext i1 %cmp11.i.i40 to i32
-  br label %if.end13.i.i46
-
-if.end13.i.i46:
-  %p1.addr.2.i.i43 = phi i32 [ %conv12.i.i41, %if.then10.i.i42 ], [ %p1.addr.1.i.i38, %if.end7.i.i39 ]
-  br i1 %tobool15.i.i, label %_Z3fn2iii.exit.i52, label %if.then16.i.i49
-
-if.then16.i.i49:
-  %and17.i.i47 = lshr i32 %p1.addr.2.i.i43, 3
-  %and17.lobit.i.i48 = and i32 %and17.i.i47, 1
-  br label %_Z3fn2iii.exit.i52
-
-_Z3fn2iii.exit.i52:
-  %p1.addr.3.i.i50 = phi i32 [ %and17.lobit.i.i48, %if.then16.i.i49 ], [ %p1.addr.2.i.i43, %if.end13.i.i46 ]
-  br i1 %tobool.i11.i, label %_ZL3fn3ii.exit58, label %if.then.i15.i56
-
-if.then.i15.i56:
-  %and.i12.i53 = lshr i32 %p1.addr.3.i.i50, 2
-  %and.lobit.i13.i54 = and i32 %and.i12.i53, 1
-  %12 = xor i32 %and.lobit.i13.i54, 1
-  %or.i14.i55 = or i32 %12, %p1.addr.3.i.i50
-  br label %_ZL3fn3ii.exit58
-
-_ZL3fn3ii.exit58:
-  %p1.addr.0.i16.i57 = phi i32 [ %or.i14.i55, %if.then.i15.i56 ], [ %p1.addr.3.i.i50, %_Z3fn2iii.exit.i52 ]
-  %arrayidx7 = getelementptr inbounds i32, i32* %2, i64 %indvars.iv
-  store i32 %p1.addr.0.i16.i57, i32* %arrayidx7, align 4  %indvars.iv.next = add i64 %indvars.iv, 1
-  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
-  %exitcond = icmp ne i32 %lftr.wideiv, %p1
-  br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge
-
-for.cond.for.end_crit_edge:
-  br label %for.end
-
-for.end:
-  ret void
-}