Add initial version of Polly

This version is equivalent to commit ba26ebece8f5be84e9bd6315611d412af797147e
in the old git repository.

llvm-svn: 130476
diff --git a/polly/test/ScopInfo/phi_not_grouped_at_top.ll b/polly/test/ScopInfo/phi_not_grouped_at_top.ll
new file mode 100755
index 0000000..648a36a
--- /dev/null
+++ b/polly/test/ScopInfo/phi_not_grouped_at_top.ll
@@ -0,0 +1,27 @@
+; RUN: opt %loadPolly %defaultOpts -polly-prepare  -analyze  %s
+; ModuleID = 'bugpoint-reduced-simplified.bc'
+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"
+target triple = "x86_64-linux-gnu"
+
+declare i32 @funa() align 2
+
+define void @funb() align 2 {
+entry:
+  br label %bb117
+
+bb117:                                            ; preds = %bb56
+  %0 = invoke i32 @funa()
+          to label %bb121 unwind label %invcont118 ; <%struct.btHullTriangle*> [#uses=1]
+
+invcont118:                                       ; preds = %bb117
+  br label %bb121
+
+bb121:                                            ; preds = %bb120, %invcont118
+  %iftmp.82.0 = phi i32 [ 0, %bb117 ], [ 1, %invcont118 ] ; <i8> [#uses=1]
+  %te.1 = phi i32 [ undef, %invcont118 ], [ %0, %bb117 ] ;
+  %cnd = icmp ne i32 %iftmp.82.0, %te.1          ; <i1> [#uses=1]
+  br label %return
+
+return:                                           ; preds = %entry
+  ret void
+}