Make several tests less fragile.

llvm-svn: 93230
diff --git a/llvm/test/Transforms/LoopStrengthReduce/dont_reverse.ll b/llvm/test/Transforms/LoopStrengthReduce/dont_reverse.ll
index 214f15a..4c5db04 100644
--- a/llvm/test/Transforms/LoopStrengthReduce/dont_reverse.ll
+++ b/llvm/test/Transforms/LoopStrengthReduce/dont_reverse.ll
@@ -4,14 +4,14 @@
 ; Don't reverse the iteration if the rhs of the compare is defined
 ; inside the loop.
 
-define void @Fill_Buffer() nounwind {
+define void @Fill_Buffer(i2* %p) nounwind {
 entry:
 	br label %bb8
 
 bb8:
 	%indvar34 = phi i32 [ 0, %entry ], [ %indvar.next35, %bb8 ]
 	%indvar3451 = trunc i32 %indvar34 to i2
-	%xmp4344 = xor i2 0, -1
+	%xmp4344 = load i2* %p
 	%xmp104 = icmp eq i2 %indvar3451, %xmp4344
 	%indvar.next35 = add i32 %indvar34, 1
 	br i1 %xmp104, label %bb10, label %bb8