1 ; Check that variable strides are reduced to adds instead of multiplies. 2 ; RUN: opt < %s -loop-reduce -S | not grep mul 3 4 declare i1 @pred(i32) 5 6 define void @test([10000 x i32]* %P, i32 %STRIDE) { 7 ; <label>:0 8 br label %Loop 9 Loop: ; preds = %Loop, %0 10 %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2] 11 %Idx = mul i32 %INDVAR, %STRIDE ; <i32> [#uses=1] 12 %cond = call i1 @pred( i32 %Idx ) ; <i1> [#uses=1] 13 %INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1] 14 br i1 %cond, label %Loop, label %Out 15 Out: ; preds = %Loop 16 ret void 17 } 18 19
