Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.
This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.
llvm-svn: 95975
diff --git a/llvm/test/Transforms/LoopStrengthReduce/remove_indvar.ll b/llvm/test/Transforms/LoopStrengthReduce/remove_indvar.ll
index 53f4b9d..bb39532 100644
--- a/llvm/test/Transforms/LoopStrengthReduce/remove_indvar.ll
+++ b/llvm/test/Transforms/LoopStrengthReduce/remove_indvar.ll
@@ -7,10 +7,12 @@
; <label>:0
br label %Loop
Loop: ; preds = %Loop, %0
+ %i = phi i32 [ 0, %0 ], [ %i.next, %Loop ]
%INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2]
%STRRED = getelementptr i32* %P, i32 %INDVAR ; <i32*> [#uses=1]
store i32 0, i32* %STRRED
%INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1]
+ %i.next = add i32 %i, 1
%cond = call i1 @pred( ) ; <i1> [#uses=1]
br i1 %cond, label %Loop, label %Out
Out: ; preds = %Loop