1 ; Check that the index of 'P[outer]' is pulled out of the loop. 2 ; RUN: opt < %s -loop-reduce -S | \ 3 ; RUN: not grep "getelementptr.*%outer.*%INDVAR" 4 5 target datalayout = "e-p:32:32:32-n8:16:32" 6 declare i1 @pred() 7 8 declare i32 @foo() 9 10 define void @test([10000 x i32]* %P) { 11 ; <label>:0 12 %outer = call i32 @foo( ) ; <i32> [#uses=1] 13 br label %Loop 14 Loop: ; preds = %Loop, %0 15 %INDVAR = phi i32 [ 0, %0 ], [ %INDVAR2, %Loop ] ; <i32> [#uses=2] 16 %STRRED = getelementptr [10000 x i32]* %P, i32 %outer, i32 %INDVAR ; <i32*> [#uses=1] 17 store i32 0, i32* %STRRED 18 %INDVAR2 = add i32 %INDVAR, 1 ; <i32> [#uses=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
