1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -passes=loop-deletion -S < %s | FileCheck %s 3 4@a = global i1 false, align 4 5 6define i32 @main() { 7; CHECK-LABEL: @main( 8; CHECK-NEXT: entry: 9; CHECK-NEXT: br label [[FOR_BODY:%.*]] 10; CHECK: for.body: 11; CHECK-NEXT: [[D_015:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ] 12; CHECK-NEXT: call void @foo() 13; CHECK-NEXT: [[DOTB:%.*]] = load i1, ptr @a, align 4 14; CHECK-NEXT: [[CONV1:%.*]] = select i1 [[DOTB]], i32 -128, i32 1 15; CHECK-NEXT: [[CMP2_NOT:%.*]] = icmp ugt i32 [[CONV1]], [[D_015]] 16; CHECK-NEXT: br i1 [[CMP2_NOT]], label [[CLEANUP:%.*]], label [[FOR_INC8:%.*]] 17; CHECK: for.inc8: 18; CHECK-NEXT: [[INC9:%.*]] = add nuw nsw i32 [[D_015]], 1 19; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i32 [[INC9]], 19 20; CHECK-NEXT: br label [[CLEANUP]] 21; CHECK: cleanup: 22; CHECK-NEXT: store i1 true, ptr @a, align 4 23; CHECK-NEXT: ret i32 0 24; 25entry: 26 br label %for.body 27 28for.body: 29 %d.015 = phi i32 [ 0, %entry ], [ %inc9, %for.inc8 ] 30 call void @foo() 31 %.b = load i1, ptr @a, align 4 32 %conv1 = select i1 %.b, i32 -128, i32 1 33 %cmp2.not = icmp ugt i32 %conv1, %d.015 34 br i1 %cmp2.not, label %cleanup, label %for.inc8 35 36for.inc8: 37 %inc9 = add nuw nsw i32 %d.015, 1 38 %exitcond.not = icmp eq i32 %inc9, 19 39 br i1 %exitcond.not, label %cleanup, label %for.body 40 41cleanup: 42 store i1 true, ptr @a, align 4 43 ret i32 0 44} 45 46declare void @foo() 47 48