; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -loop-deletion -S < %s | FileCheck %s @a = global i1 false, align 4 define i32 @main() { ; CHECK-LABEL: @main( ; CHECK-NEXT: entry: ; CHECK-NEXT: br label [[FOR_BODY:%.*]] ; CHECK: for.body: ; CHECK-NEXT: [[D_015:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ] ; CHECK-NEXT: call void @foo() ; CHECK-NEXT: [[DOTB:%.*]] = load i1, i1* @a, align 4 ; CHECK-NEXT: [[CONV1:%.*]] = select i1 [[DOTB]], i32 -128, i32 1 ; CHECK-NEXT: [[CMP2_NOT:%.*]] = icmp ugt i32 [[CONV1]], [[D_015]] ; CHECK-NEXT: br i1 [[CMP2_NOT]], label [[CLEANUP:%.*]], label [[FOR_INC8:%.*]] ; CHECK: for.inc8: ; CHECK-NEXT: [[INC9:%.*]] = add nuw nsw i32 [[D_015]], 1 ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i32 [[INC9]], 19 ; CHECK-NEXT: br label [[CLEANUP]] ; CHECK: cleanup: ; CHECK-NEXT: store i1 true, i1* @a, align 4 ; CHECK-NEXT: ret i32 0 ; entry: br label %for.body for.body: %d.015 = phi i32 [ 0, %entry ], [ %inc9, %for.inc8 ] call void @foo() %.b = load i1, i1* @a, align 4 %conv1 = select i1 %.b, i32 -128, i32 1 %cmp2.not = icmp ugt i32 %conv1, %d.015 br i1 %cmp2.not, label %cleanup, label %for.inc8 for.inc8: %inc9 = add nuw nsw i32 %d.015, 1 %exitcond.not = icmp eq i32 %inc9, 19 br i1 %exitcond.not, label %cleanup, label %for.body cleanup: store i1 true, i1* @a, align 4 ret i32 0 } declare void @foo()