| ; RUN: opt < %s -passes=simple-loop-unswitch,indvars -disable-output |
| ; Require SCEV before LCSSA. |
| define void @foo() { |
| entry: |
| %i = alloca i32, align 4 ; <ptr> [#uses=5] |
| %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] |
| store i32 0, ptr %i, align 4 |
| br label %bb3 |
| |
| bb: ; preds = %bb3 |
| %tmp = load i32, ptr %i, align 4 ; <i32> [#uses=1] |
| call void @bar( i32 %tmp ) |
| %tmp1 = load i32, ptr %i, align 4 ; <i32> [#uses=1] |
| %tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1] |
| store i32 %tmp2, ptr %i, align 4 |
| br label %bb3 |
| |
| bb3: ; preds = %bb, %entry |
| %tmp4 = load i32, ptr %i, align 4 ; <i32> [#uses=1] |
| %tmp5 = icmp sle i32 %tmp4, 9 ; <i1> [#uses=1] |
| %tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1] |
| %toBool = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1] |
| br i1 %toBool, label %bb, label %bb7 |
| |
| bb7: ; preds = %bb3 |
| br label %return |
| |
| return: ; preds = %bb7 |
| ret void |
| } |
| |
| declare void @bar(i32) |
