1 ; RUN: opt < %s -loop-unswitch -indvars -disable-output 2 ; Require SCEV before LCSSA. 3 define void @foo() { 4 entry: 5 %i = alloca i32, align 4 ; <i32*> [#uses=5] 6 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 7 store i32 0, i32* %i, align 4 8 br label %bb3 9 10 bb: ; preds = %bb3 11 %tmp = load i32* %i, align 4 ; <i32> [#uses=1] 12 call void @bar( i32 %tmp ) 13 %tmp1 = load i32* %i, align 4 ; <i32> [#uses=1] 14 %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] 15 store i32 %tmp2, i32* %i, align 4 16 br label %bb3 17 18 bb3: ; preds = %bb, %entry 19 %tmp4 = load i32* %i, align 4 ; <i32> [#uses=1] 20 %tmp5 = icmp sle i32 %tmp4, 9 ; <i1> [#uses=1] 21 %tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1] 22 %toBool = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1] 23 br i1 %toBool, label %bb, label %bb7 24 25 bb7: ; preds = %bb3 26 br label %return 27 28 return: ; preds = %bb7 29 ret void 30 } 31 32 declare void @bar(i32) 33
