|  | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | 
|  | ; RUN: opt %loadexampleirtransforms -passes=tut-simplifycfg -tut-simplifycfg-version=v1 < %s -S -verify-dom-info | FileCheck %s | 
|  | ; RUN: opt %loadexampleirtransforms -passes=tut-simplifycfg -tut-simplifycfg-version=v2 < %s -S -verify-dom-info | FileCheck %s | 
|  | ; RUN: opt %loadexampleirtransforms -passes=tut-simplifycfg -tut-simplifycfg-version=v3 < %s -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 | 
|  | } |