remove a trivial test, make some other tests less trivial.

llvm-svn: 131846

test/Transforms/GVN/2007-07-26-InterlockingLoops.ll

@@ -4,8 +4,11 @@
 
 define i32 @NextRootMove(i32 %wtm) {
 entry:
+        %A = alloca i32*
 	%tmp17618 = load i32** getelementptr ([65 x i32*]* @last, i32 0, i32 1), align 4
+        store i32* %tmp17618, i32** %A
 ; CHECK: entry:
+; CHECK-NEXT: alloca i32
 ; CHECK-NEXT: %tmp17618 = load
 ; CHECK-NOT: load
 ; CHECK-NOT: phi
@@ -16,6 +19,7 @@ cond_true116:
 
 cond_true128:
 	%tmp17625 = load i32** getelementptr ([65 x i32*]* @last, i32 0, i32 1), align 4
+        store i32* %tmp17625, i32** %A
 	br i1 false, label %bb98.backedge, label %return.loopexit
 
 bb98.backedge:
@@ -23,6 +27,7 @@ bb98.backedge:
 
 cond_true145:
 	%tmp17631 = load i32** getelementptr ([65 x i32*]* @last, i32 0, i32 1), align 4
+        store i32* %tmp17631, i32** %A
 	br i1 false, label %bb98.backedge, label %return.loopexit
 
 return.loopexit:

test/Transforms/GVN/2008-07-02-Unreachable.ll

@@ -5,6 +5,7 @@
 
 define i8 @func_1() nounwind  {
 entry:
+  %A = alloca i8
 	br i1 false, label %ifelse, label %ifthen
 
 ifthen:		; preds = %entry
@@ -12,6 +13,7 @@ ifthen:		; preds = %entry
 
 ifelse:		; preds = %entry
 	%tmp3 = load i8* @g_3		; <i8> [#uses=0]
+        store i8 %tmp3, i8* %A
 	br label %forcond.thread
 
 forcond.thread:		; preds = %ifelse

test/Transforms/GVN/mixed.ll

@@ -1,13 +0,0 @@
-; RUN: opt < %s -basicaa -gvn -S | not grep DEADLOAD
-; RUN: opt < %s -basicaa -gvn -S | not grep DEADGEP
-
-define i32 @main(i32** %p) {
-block1:
-	%z1 = load i32** %p
-	%z2 = getelementptr i32* %z1, i32 0
-	%z3 = load i32* %z2
-	%DEADLOAD = load i32** %p
-	%DEADGEP = getelementptr i32* %DEADLOAD, i32 0
-	%DEADLOAD2 = load i32* %DEADGEP
-	ret i32 %DEADLOAD2
-}

test/Transforms/GVN/rle.ll

@@ -360,8 +360,11 @@ Cont:
 
 define i32 @chained_load(i32** %p) {
 block1:
+  %A = alloca i32*
+
   %z = load i32** %p
-	br i1 true, label %block2, label %block3
+  store i32* %z, i32** %A
+  br i1 true, label %block2, label %block3
 
 block2:
  %a = load i32** %p