; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -passes='default<O2>' -S < %s | FileCheck %s define void @PR45687(i32 %0) { ; CHECK-LABEL: @PR45687( ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP0:%.*]], 1 ; CHECK-NEXT: [[TMP3:%.*]] = icmp ult i32 [[TMP2]], 3 ; CHECK-NEXT: tail call void @llvm.assume(i1 [[TMP3]]) ; CHECK-NEXT: ret void ; %2 = add i32 %0, 1 %3 = icmp ult i32 %2, 3 tail call void @llvm.assume(i1 %3) %4 = icmp slt i32 %0, 0 %5 = sub nsw i32 0, %0 %6 = select i1 %4, i32 %5, i32 %0 %7 = icmp sgt i32 %6, 1 br i1 %7, label %8, label %9 8: tail call void @g() br label %9 9: ret void } declare void @llvm.assume(i1) declare void @g()