1 files changed, 0 insertions, 130 deletions
diff --git a/llvm/test/Transforms/LoopUnswitch/preserve-analyses.ll b/llvm/test/Transforms/LoopUnswitch/preserve-analyses.ll
deleted file mode 100644
index d731fba34a1..00000000000
--- a/llvm/test/Transforms/LoopUnswitch/preserve-analyses.ll
+++ /dev/null
@@ -1,130 +0,0 @@
-; RUN: opt -loop-unswitch -verify-loop-info -verify-dom-info -disable-output < %s
-; RUN: opt -loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -verify-loop-info -verify-dom-info -disable-output < %s
-
-; Loop unswitch should be able to unswitch these loops and
-; preserve LCSSA and LoopSimplify forms.
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:64"
-target triple = "armv6-apple-darwin9"
-
-@delim1 = external global i32                     ; <i32*> [#uses=1]
-@delim2 = external global i32                     ; <i32*> [#uses=1]
-
-define i32 @ineqn(i8* %s, i8* %p) nounwind readonly {
-entry:
-  %0 = load i32, i32* @delim1, align 4                 ; <i32> [#uses=1]
-  %1 = load i32, i32* @delim2, align 4                 ; <i32> [#uses=1]
-  br label %bb8.outer
-
-bb:                                               ; preds = %bb8
-  %2 = icmp eq i8* %p_addr.0, %s                  ; <i1> [#uses=1]
-  br i1 %2, label %bb10, label %bb2
-
-bb2:                                              ; preds = %bb
-  %3 = getelementptr inbounds i8, i8* %p_addr.0, i32 1 ; <i8*> [#uses=3]
-  switch i32 %ineq.0.ph, label %bb8.backedge [
-    i32 0, label %bb3
-    i32 1, label %bb6
-  ]
-
-bb8.backedge:                                     ; preds = %bb6, %bb5, %bb2
-  br label %bb8
-
-bb3:                                              ; preds = %bb2
-  %4 = icmp eq i32 %8, %0                         ; <i1> [#uses=1]
-  br i1 %4, label %bb8.outer.loopexit, label %bb5
-
-bb5:                                              ; preds = %bb3
-  br i1 %6, label %bb6, label %bb8.backedge
-
-bb6:                                              ; preds = %bb5, %bb2
-  %5 = icmp eq i32 %8, %1                         ; <i1> [#uses=1]
-  br i1 %5, label %bb7, label %bb8.backedge
-
-bb7:                                              ; preds = %bb6
-  %.lcssa1 = phi i8* [ %3, %bb6 ]                 ; <i8*> [#uses=1]
-  br label %bb8.outer.backedge
-
-bb8.outer.backedge:                               ; preds = %bb8.outer.loopexit, %bb7
-  %.lcssa2 = phi i8* [ %.lcssa1, %bb7 ], [ %.lcssa, %bb8.outer.loopexit ] ; <i8*> [#uses=1]
-  %ineq.0.ph.be = phi i32 [ 0, %bb7 ], [ 1, %bb8.outer.loopexit ] ; <i32> [#uses=1]
-  br label %bb8.outer
-
-bb8.outer.loopexit:                               ; preds = %bb3
-  %.lcssa = phi i8* [ %3, %bb3 ]                  ; <i8*> [#uses=1]
-  br label %bb8.outer.backedge
-
-bb8.outer:                                        ; preds = %bb8.outer.backedge, %entry
-  %ineq.0.ph = phi i32 [ 0, %entry ], [ %ineq.0.ph.be, %bb8.outer.backedge ] ; <i32> [#uses=3]
-  %p_addr.0.ph = phi i8* [ %p, %entry ], [ %.lcssa2, %bb8.outer.backedge ] ; <i8*> [#uses=1]
-  %6 = icmp eq i32 %ineq.0.ph, 1                  ; <i1> [#uses=1]
-  br label %bb8
-
-bb8:                                              ; preds = %bb8.outer, %bb8.backedge
-  %p_addr.0 = phi i8* [ %p_addr.0.ph, %bb8.outer ], [ %3, %bb8.backedge ] ; <i8*> [#uses=3]
-  %7 = load i8, i8* %p_addr.0, align 1                ; <i8> [#uses=2]
-  %8 = sext i8 %7 to i32                          ; <i32> [#uses=2]
-  %9 = icmp eq i8 %7, 0                           ; <i1> [#uses=1]
-  br i1 %9, label %bb10, label %bb
-
-bb10:                                             ; preds = %bb8, %bb
-  %.0 = phi i32 [ %ineq.0.ph, %bb ], [ 0, %bb8 ]  ; <i32> [#uses=1]
-  ret i32 %.0
-}
-
-; This is a simplified form of ineqn from above. It triggers some
-; different cases in the loop-unswitch code.
-
-define void @simplified_ineqn() nounwind readonly {
-entry:
-  br label %bb8.outer
-
-bb8.outer:                                        ; preds = %bb6, %bb2, %entry
-  %x = phi i32 [ 0, %entry ], [ 0, %bb6 ], [ 1, %bb2 ] ; <i32> [#uses=1]
-  br i1 undef, label %return, label %bb2
-
-bb2:                                              ; preds = %bb
-  switch i32 %x, label %bb6 [
-    i32 0, label %bb8.outer
-  ]
-
-bb6:                                              ; preds = %bb2
-  br i1 undef, label %bb8.outer, label %bb2
-
-return:                                             ; preds = %bb8, %bb
-  ret void
-}
-
-; This function requires special handling to preserve LCSSA form.
-; PR4934
-
-define void @pnp_check_irq() nounwind noredzone {
-entry:
-  %conv56 = trunc i64 undef to i32                ; <i32> [#uses=1]
-  br label %while.cond.i
-
-while.cond.i:                                     ; preds = %while.cond.i.backedge, %entry
-  %call.i25 = call i8* @pci_get_device() nounwind noredzone ; <i8*> [#uses=2]
-  br i1 undef, label %if.then65, label %while.body.i
-
-while.body.i:                                     ; preds = %while.cond.i
-  br i1 undef, label %if.then31.i.i, label %while.cond.i.backedge
-
-while.cond.i.backedge:                            ; preds = %if.then31.i.i, %while.body.i
-  br label %while.cond.i
-
-if.then31.i.i:                                    ; preds = %while.body.i
-  switch i32 %conv56, label %while.cond.i.backedge [
-    i32 14, label %if.then42.i.i
-    i32 15, label %if.then42.i.i
-  ]
-
-if.then42.i.i:                                    ; preds = %if.then31.i.i, %if.then31.i.i
-  %call.i25.lcssa48 = phi i8* [ %call.i25, %if.then31.i.i ], [ %call.i25, %if.then31.i.i ] ; <i8*> [#uses=0]
-  unreachable
-
-if.then65:                                        ; preds = %while.cond.i
-  unreachable
-}
-
-declare i8* @pci_get_device() noredzone