Reenable this IndVars unit test.

SCEV can't optimize undef in all cases, which is a separate issue from this test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145343 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll b/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
index a8b706e6e56fb32c717ce65084b06cec9f1cde90..4ad63aaa947ec1bbc87361a2303e859a164e10e7 100644 (file)
--- a/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
+++ b/test/Transforms/IndVarSimplify/2011-09-10-widen-nsw.ll
@@ -3,9 +3,6 @@
 ; add219 should be extended to i64 because it is nsw, even though its
 ; sext cannot be hoisted outside the loop.
 
-; FIXME: GetExtendedOperandRecurrence has problems with the nsw bit on add exprs
-; XFAIL: *
-
 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"
 
 define void @test() nounwind {
@@ -22,7 +19,7 @@ for.body153:                                      ; preds = %for.body153, %for.b
 
 ; CHECK: add nsw i64 %indvars.iv, 1
 for.body170:                                      ; preds = %for.body170, %for.body153
-  %i2.19 = phi i32 [ %add249, %for.body170 ], [ undef, %for.body153 ]
+  %i2.19 = phi i32 [ %add249, %for.body170 ], [ 0, %for.body153 ]
   %add219 = add nsw i32 %i2.19, 1
   %idxprom220 = sext i32 %add219 to i64
   %add249 = add nsw i32 %i2.19, %shl132