[llvm-commits] [llvm] r89844 - in /llvm/trunk: lib/Transforms/Scalar/LoopUnswitch.cpp test/Transforms/LoopUnswitch/5373.ll

[Edward O'Callaghan]

Author: evocallaghan
Date: Tue Nov 24 23:38:41 2009
New Revision: 89844

URL: http://llvm.org/viewvc/llvm-project?rev=89844&view=rev
Log:
Reverting patch in revision 89758, initial attempt at fixing PR5373 has proven to be bogus.

Removed:
    llvm/trunk/test/Transforms/LoopUnswitch/5373.ll
Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp?rev=89844&r1=89843&r2=89844&view=diff

==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopUnswitch.cpp Tue Nov 24 23:38:41 2009
@@ -296,6 +296,7 @@
     // first exit.
     if (ExitBB != 0) return false;
     ExitBB = BB;
+    return true;
   }
   
   // Otherwise, this is an unvisited intra-loop node.  Check all successors.

Removed: llvm/trunk/test/Transforms/LoopUnswitch/5373.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopUnswitch/5373.ll?rev=89843&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/LoopUnswitch/5373.ll (original)
+++ llvm/trunk/test/Transforms/LoopUnswitch/5373.ll (removed)
@@ -1,24 +0,0 @@
-; RUN: opt < %s -loop-unswitch -stats -disable-output |& grep "3 loop-unswitch - Number of branches unswitched"
-
-define noalias i32* @func_16(i32** %p_18, i32* %p_20) noreturn nounwind ssp {
-entry:
-  %lnot = icmp eq i32** %p_18, null               ; <i1> [#uses=1]
-  %lnot6 = icmp eq i32* %p_20, null               ; <i1> [#uses=1]
-  br label %for.body
-
-for.body:                                         ; preds = %cond.end, %entry
-  br i1 %lnot, label %cond.end, label %cond.true
-
-cond.true:                                        ; preds = %for.body
-  tail call void @f()
-  unreachable
-
-cond.end:                                         ; preds = %for.body
-  br i1 %lnot6, label %for.body, label %cond.true10
-
-cond.true10:                                      ; preds = %cond.end
-  tail call void @f()
-  unreachable
-}
-
-declare void @f() noreturn