1 ; Check that variable strides are reduced to adds instead of multiplies. 2 ; RUN: opt < %s -loop-reduce -S | not grep mul 3 4 ; Provide legal integer types. 5 target datalayout = "n8:16:32:64" 6 7 declare i1 @pred(i32) 8 9 define void @test([10000 x i32]* %P, i32 %STRIDE) { 10 ; <label>:0 11 br label %Loop 12 Loop: ; preds = %Loop, %0 13 %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2] 14 %Idx = mul i32 %INDVAR, %STRIDE ; <i32> [#uses=1] 15 %cond = call i1 @pred( i32 %Idx ) ; <i1> [#uses=1] 16 %INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=1] 17 br i1 %cond, label %Loop, label %Out 18 Out: ; preds = %Loop 19 ret void 20 } 21 22
