1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; RUN: opt -instcombine < %s -S | FileCheck %s 3 4define void @test() #0 { 5; CHECK-LABEL: @test( 6; CHECK-NEXT: entry: 7; CHECK-NEXT: br label [[FOR_BODY:%.*]] 8; CHECK: for.body: 9; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ] 10; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1 11; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ult i64 [[INDVARS_IV_NEXT]], 40 12; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] 13; CHECK: for.end: 14; CHECK-NEXT: ret void 15; 16entry: 17 br label %for.body 18 19for.body: ; preds = %for.body, %entry 20 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 21 %indvars.iv.next = add nsw i64 %indvars.iv, 1 22 %exitcond = icmp slt i64 %indvars.iv.next, 40 23 br i1 %exitcond, label %for.end, label %for.body 24 25for.end: ; preds = %for.body 26 ret void 27} 28