| ; RUN: opt -verify-debuginfo-preserve -passes=instcombine -S -o - < %s 2>&1 | FileCheck %s | 
 | ; RUN: opt --experimental-debuginfo-iterators=false -verify-debuginfo-preserve -passes=instcombine -S -o - < %s 2>&1 | FileCheck %s | 
 |  | 
 | ; CHECK: ModuleDebugify (original debuginfo): Skipping module without debug info | 
 | ; CHECK-NEXT: CheckModuleDebugify (original debuginfo): Skipping module without debug info | 
 |  | 
 | ; ModuleID = 'no-dbg-info.c' | 
 | source_filename = "no-dbg-info.c" | 
 | target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" | 
 | target triple = "x86_64-unknown-linux-gnu" | 
 |  | 
 | ; Function Attrs: nounwind uwtable | 
 | define dso_local i32 @fn() { | 
 |   %1 = call i32 (...) @fn2() | 
 |   ret i32 %1 | 
 | } | 
 |  | 
 | declare dso_local i32 @fn2(...) | 
 |  | 
 | !llvm.module.flags = !{!0} | 
 | !llvm.ident = !{!1} | 
 |  | 
 | !0 = !{i32 1, !"wchar_size", i32 4} | 
 | !1 = !{!"clang version 11.0.0"} |