| ; Check that this test makes INDVAR and related stuff dead. |
| ; RUN: opt < %s -loop-reduce -S | not grep INDVAR |
| |
| ; Provide legal integer types. |
| target datalayout = "n8:16:32:64" |
| |
| declare i1 @pred() |
| |
| define void @test(i32* %P) { |
| ; <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, 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 |
| ret void |
| } |
| |
