| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v1 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s |
| ; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v2 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s |
| ; RUN: opt -tut-simplifycfg -tut-simplifycfg-version=v3 < %s -enable-new-pm=0 -S -verify-dom-info | FileCheck %s |
| |
| ; Check that we do not crash when we remove edges multiple times in |
| ; the DomTreeUpdater. |
| define void @test() { |
| ; CHECK-LABEL: @test( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: switch i8 undef, label [[IF_THEN_EPIL:%.*]] [ |
| ; CHECK-NEXT: i8 32, label [[FOR_INC_EPIL:%.*]] |
| ; CHECK-NEXT: i8 46, label [[FOR_INC_EPIL]] |
| ; CHECK-NEXT: i8 95, label [[FOR_INC_EPIL]] |
| ; CHECK-NEXT: i8 45, label [[FOR_INC_EPIL]] |
| ; CHECK-NEXT: i8 126, label [[FOR_INC_EPIL]] |
| ; CHECK-NEXT: ] |
| ; CHECK: if.then.epil: |
| ; CHECK-NEXT: unreachable |
| ; CHECK: for.inc.epil: |
| ; CHECK-NEXT: ret void |
| ; |
| entry: |
| br label %for.body.epil |
| |
| for.body.epil: ; preds = %entry |
| switch i8 undef, label %if.then.epil [ |
| i8 32, label %for.inc.epil |
| i8 46, label %for.inc.epil |
| i8 95, label %for.inc.epil |
| i8 45, label %for.inc.epil |
| i8 126, label %for.inc.epil |
| ] |
| |
| if.then.epil: ; preds = %for.body.epil |
| unreachable |
| |
| for.inc.epil: ; preds = %for.body.epil, %for.body.epil, %for.body.epil, %for.body.epil, %for.body.epil |
| ret void |
| } |
