| ; RUN: opt -simplifycfg -enable-mssa-loop-dependency -S --preserve-ll-uselistorder %s | FileCheck %s |
| ; REQUIRES: x86-registered-target |
| ; CHECK-LABEL: @n |
| ; CHECK: uselistorder i16 0, { 3, 2, 4, 1, 5, 0, 6 } |
| |
| ; Note: test was added in an effort to ensure determinism when updating memoryssa. See PR42574. |
| ; If the uselistorder check becomes no longer relevant, the test can be disabled or removed. |
| |
| %rec9 = type { i16, i32, i32 } |
| |
| @a = global [1 x [1 x %rec9]] zeroinitializer |
| |
| define i16 @n() { |
| br label %..split_crit_edge |
| |
| ..split_crit_edge: ; preds = %0 |
| br label %.split |
| |
| bb4.us4: ; preds = %bb2.split.us32, %bb6.us28 |
| %i.4.01.us5 = phi i16 [ %_tmp49.us30, %bb6.us28 ] |
| br label %g.exit4.us21 |
| |
| bb1.i.us14: ; preds = %bb4.us4 |
| br label %g.exit4.us21 |
| |
| g.exit4.us21: ; preds = %bb1.i.us14, %g.exit4.critedge.us9 |
| %i.4.02.us22 = phi i16 [ %i.4.01.us5, %bb4.us4 ], [ %i.4.01.us5, %bb1.i.us14 ] |
| br label %bb6.us28 |
| |
| bb5.us26: ; preds = %g.exit4.us21 |
| br label %bb6.us28 |
| |
| bb6.us28: ; preds = %bb5.us26, %g.exit4.us21 |
| %i.4.03.us29 = phi i16 [ %i.4.02.us22, %bb5.us26 ], [ %i.4.02.us22, %g.exit4.us21 ] |
| %_tmp49.us30 = add nuw nsw i16 %i.4.03.us29, 1 |
| br label %bb4.us4 |
| |
| bb4.us.us: ; preds = %bb2.split.us.us, %bb6.us.us |
| %i.4.01.us.us = phi i16 [ %_tmp49.us.us, %bb6.us.us ] |
| br label %bb1.i.us.us |
| |
| bb1.i.us.us: ; preds = %bb4.us.us |
| br label %g.exit4.us.us |
| |
| g.exit4.us.us: ; preds = %bb1.i.us.us, %g.exit4.critedge.us.us |
| %i.4.02.us.us = phi i16 [ %i.4.01.us.us, %bb1.i.us.us ] |
| br label %bb5.us.us |
| |
| bb5.us.us: ; preds = %g.exit4.us.us |
| br label %bb6.us.us |
| |
| bb6.us.us: ; preds = %bb5.us.us, %g.exit4.us.us |
| %i.4.03.us.us = phi i16 [ %i.4.02.us.us, %bb5.us.us ] |
| %_tmp49.us.us = add nuw nsw i16 %i.4.03.us.us, 1 |
| br label %bb4.us.us |
| |
| |
| .split: ; preds = %..split_crit_edge |
| br label %bb2 |
| |
| bb2: ; preds = %.split, %bb7 |
| %h.3.0 = phi i16 [ undef, %.split ], [ %_tmp53, %bb7 ] |
| br label %bb2.bb2.split_crit_edge |
| |
| bb2.bb2.split_crit_edge: ; preds = %bb2 |
| br label %bb2.split |
| |
| bb2.split.us: ; preds = %bb2 |
| br label %bb4.us |
| |
| bb4.us: ; preds = %bb6.us, %bb2.split.us |
| %i.4.01.us = phi i16 [ 0, %bb2.split.us ] |
| br label %bb1.i.us |
| |
| g.exit4.critedge.us: ; preds = %bb4.us |
| br label %g.exit4.us |
| |
| bb1.i.us: ; preds = %bb4.us |
| br label %g.exit4.us |
| |
| g.exit4.us: ; preds = %bb1.i.us, %g.exit4.critedge.us |
| %i.4.02.us = phi i16 [ %i.4.01.us, %g.exit4.critedge.us ], [ %i.4.01.us, %bb1.i.us ] |
| br label %bb5.us |
| |
| bb5.us: ; preds = %g.exit4.us |
| br label %bb7 |
| |
| bb2.split: ; preds = %bb2.bb2.split_crit_edge |
| br label %bb4 |
| |
| bb4: ; preds = %bb2.split, %bb6 |
| %i.4.01 = phi i16 [ 0, %bb2.split ] |
| %_tmp16 = getelementptr [1 x [1 x %rec9]], [1 x [1 x %rec9]]* @a, i16 0, i16 %h.3.0, i16 %i.4.01, i32 0 |
| %_tmp17 = load i16, i16* %_tmp16, align 1 |
| br label %g.exit4.critedge |
| |
| bb1.i: ; preds = %bb4 |
| br label %g.exit4 |
| |
| g.exit4.critedge: ; preds = %bb4 |
| %_tmp28.c = getelementptr [1 x [1 x %rec9]], [1 x [1 x %rec9]]* @a, i16 0, i16 %h.3.0, i16 %i.4.01, i32 1 |
| %_tmp29.c = load i32, i32* %_tmp28.c, align 1 |
| %_tmp30.c = trunc i32 %_tmp29.c to i16 |
| br label %g.exit4 |
| |
| g.exit4: ; preds = %g.exit4.critedge, %bb1.i |
| %i.4.02 = phi i16 [ %i.4.01, %g.exit4.critedge ], [ %i.4.01, %bb1.i ] |
| %_tmp41 = getelementptr [1 x [1 x %rec9]], [1 x [1 x %rec9]]* @a, i16 0, i16 %h.3.0, i16 %i.4.02, i32 2 |
| br label %bb6 |
| |
| bb5: ; preds = %g.exit4 |
| br label %bb6 |
| |
| bb6: ; preds = %bb5, %g.exit4 |
| %i.4.03 = phi i16 [ %i.4.02, %bb5 ], [ %i.4.02, %g.exit4 ] |
| %_tmp49 = add nuw nsw i16 %i.4.03, 1 |
| br label %bb7 |
| |
| bb7: ; preds = %bb7.us-lcssa.us, %bb7.us-lcssa |
| %_tmp53 = add nsw i16 %h.3.0, 1 |
| br label %bb2 |
| } |
