1 ; Check that this test makes INDVAR and related stuff dead. 2 ; RUN: opt < %s -loop-reduce -S | not grep INDVAR 3 4 ; Provide legal integer types. 5 target datalayout = "n8:16:32:64" 6 7 declare i1 @pred() 8 9 define void @test(i32* %P) { 10 ; <label>:0 11 br label %Loop 12 Loop: ; preds = %Loop, %0 13 %i = phi i32 [ 0, %0 ], [ %i.next, %Loop ] 14 %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2] 15 %STRRED = getelementptr i32, i32* %P, i32 %INDVAR ; <i32*> [#uses=1] 16 store i32 0, i32* %STRRED 17 %INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1] 18 %i.next = add i32 %i, 1 19 %cond = call i1 @pred( ) ; <i1> [#uses=1] 20 br i1 %cond, label %Loop, label %Out 21 Out: ; preds = %Loop 22 ret void 23 } 24 25
