For PR1319:
Upgrade to use new Tcl exec based test harness.

llvm-svn: 36062
diff --git a/llvm/test/Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll b/llvm/test/Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll
index b8f318b..3c1003b 100644
--- a/llvm/test/Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll
+++ b/llvm/test/Transforms/LoopStrengthReduce/dont-hoist-simple-loop-constants.ll
@@ -1,4 +1,6 @@
-; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | not grep 'cast uint 1 to uint'
+; RUN: llvm-upgrade < %s | llvm-as | opt -loop-reduce | llvm-dis | \
+; RUN:   not grep {cast uint 1 to uint}
+; END.
 ; The setlt wants to use a value that is incremented one more than the dominant
 ; IV.  Don't insert the 1 outside the loop, preventing folding it into the add.