1; RUN: opt -verify-debuginfo-preserve -passes=instcombine -S -o - < %s 2>&1 | FileCheck %s 2; RUN: opt --experimental-debuginfo-iterators=false -verify-debuginfo-preserve -passes=instcombine -S -o - < %s 2>&1 | FileCheck %s 3 4; CHECK: ModuleDebugify (original debuginfo): Skipping module without debug info 5; CHECK-NEXT: CheckModuleDebugify (original debuginfo): Skipping module without debug info 6 7; ModuleID = 'no-dbg-info.c' 8source_filename = "no-dbg-info.c" 9target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-unknown-linux-gnu" 11 12; Function Attrs: nounwind uwtable 13define dso_local i32 @fn() { 14 %1 = call i32 (...) @fn2() 15 ret i32 %1 16} 17 18declare dso_local i32 @fn2(...) 19 20!llvm.module.flags = !{!0} 21!llvm.ident = !{!1} 22 23!0 = !{i32 1, !"wchar_size", i32 4} 24!1 = !{!"clang version 11.0.0"} 25